Da Vinci - Documentation Templates and Rules
2.2.0 - STU 2.2

Da Vinci - Documentation Templates and Rules, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 2.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/davinci-dtr/ and changes regularly. See the Directory of published versions

## Resource Profile: DTR Standard Questionnaire

Official URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/dtr-std-questionnaire | Version: 2.2.0 | Highlight text changes?
Standards status: Trial-use Active as of 2026-03-27 | Maturity Level: 2 | Computable Name: DTRStdQuestionnaire

Takes a subset of extensions and constraints from the SDC rendering, behavior, and population profiles, reflecting agreed expectations around which data elements might be relevant as well as which must be supported for DTR purposes.

Usages:

- Refer to this Profile: DTR Metric Data, CDex Task Attachment Request Profile, CDex Task Data Request Profile and DTR Metric Data
- Examples for this Profile: HomeOxygenTherapyStdQuestionnaire
- CapabilityStatements using this Profile: Data Consumer Client CapabilityStatement

You can also check for usages in the FHIR IG Statistics

### Formal Views of Profile Content

Description Differentials, Snapshots, and other representations.

- Key Elements Table
- Differential Table
- Snapshot Table
- Statistics/References
- All

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Questionnaire | C | 0..* | DTRBaseQuestionnaire | A structured set of questions Constraints: que-0, que-2, cnl-0, sdc-2, sdc-3, dtrq-6
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
Slices for extension |  |  |  | Content/Rules for all slices
extension:terminologyServer | S | 0..* | url | Preferred terminology server URL: http://hl7.org/fhir/StructureDefinition/preferredTerminologyServer
extension:versionAlgorithm | S | 0..1 | Coding | How to compare versions URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Binding: VersionAlgorithm (extensible)
extension:copyrightLabel |  | 0..1 | string | Copyright holder and year(s) URL: http://hl7.org/fhir/StructureDefinition/artifact-copyrightLabel
extension:designNote |  | 0..1 | markdown | Design comments URL: http://hl7.org/fhir/StructureDefinition/designNote
extension:performerType | S | 0..* | code | Resource that can record answers to this Questionnaire URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-performerType Binding: Questionnaire Performer Type (required): Resources that can record answers to a questionnaire.
extension:estimatedCompletionTime | S | 0..1 | (Complex) | Extension URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time
extension:audience | S | 0..* | code | Questionnaire Audience URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/questionnaireAudience Binding: Audience Value Set (required)
extension:RequestSpecific | S | 0..1 | boolean | Request Specific Flag URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/request-specific
extension:styleSensitive |  | 0..1 | (Complex) | Are styles important for processing? URL: http://hl7.org/fhir/StructureDefinition/rendering-styleSensitive
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/rendering-styleSensitive"
value[x] |  | 1..1 | boolean | Value of extension Required Pattern: false
extension:signatureRequired | S | 0..1 | CodeableConcept | There's a cost to support this. URL: http://hl7.org/fhir/StructureDefinition/questionnaire-signatureRequired Binding: SignatureTypeCodes (preferred): The type of signature needed.
extension:variable | S | 0..* | Expression | Variable for processing URL: http://hl7.org/fhir/StructureDefinition/variable
extension:constraint |  | 0..* | (Complex) | A constraint on the target resource URL: http://hl7.org/fhir/StructureDefinition/targetConstraint
extension:cqf-library | S | 0..* | (Complex) | The library can contain CQL, FHIRPath or x-fhir-query. The implementers must handle any of the above. URL: http://hl7.org/fhir/StructureDefinition/cqf-library
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/cqf-library"
value[x] |  | 1..1 | canonical(SDC Library(4.0.0)) | Value of extension
extension:launchContext | S | 0..* | (Complex) | Context resources needed for Questionnaire URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-launchContext
extension:itemPopulationContext | S | 0..1 | Expression | Establishes mapping context for a Questionnaire item URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemPopulationContext
extension:entryMode | S | 0..1 | code | sequential | prior-edit | random URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-entryMode Binding: Questionnaire Entry Mode (required): Entry modes when completing a questionnaire
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
url | S Σ C | 1..1 | uri | Canonical identifier for this questionnaire, represented as a URI (globally unique) Constraints: cnl-1
version | S Σ | 0..1 | string | Business version of the questionnaire
title | S Σ | 0..1 | string | Name for this questionnaire (human friendly)
status | ?!S Σ | 1..1 | code | draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
subjectType | S Σ | 1..1 | code | Resource that can be subject of QuestionnaireResponse Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR. Required Pattern: Patient
Slices for extension |  |  |  | Content/Rules for all slices
extension:subjectType |  | 0..* | code | R5: subjectType additional codes URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.subjectType Binding: R5ResourceTypesForR4 (0.1.0) (required): One of the resource types defined as part of this version of FHIR. Constraints: ext-1
effectivePeriod | S Σ | 0..1 | Period | When the questionnaire is expected to be used
item | S C | 1..* | BackboneElement | Questions and sections within the Questionnaire Constraints: que-1, que-3, que-4, que-5, que-6, que-8, que-9, que-10, que-11, que-12, que-13, sdc-1, que-1a, que-1b, que-1c, que-14, dtrq-2, dtrq-3, dtrq-4, dtrq-5
Slices for extension |  |  |  | Content/Rules for all slices
extension:hidden | S | 0..1 | boolean | Don't display to user URL: http://hl7.org/fhir/StructureDefinition/questionnaire-hidden
extension:terminologyServer |  | 0..* | url | Preferred terminology server URL: http://hl7.org/fhir/StructureDefinition/preferredTerminologyServer
extension:disabledDisplay |  | 0..1 | code | R5: hidden | protected (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.disabledDisplay Binding: R5QuestionnaireDisabledDisplayForR4 (0.1.0) (required): Defines how disabled elements should be rendered Constraints: ext-1
extension:answerConstraint |  | 0..1 | code | R5: optionsOnly | optionsOrType | optionsOrString (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.answerConstraint Binding: R5QuestionnaireAnswerConstraintForR4 (0.1.0) (required): Indicates differnt modes for restricting values when options or valueset are specified Constraints: ext-1
extension:designNote |  | 0..1 | markdown | Design comments URL: http://hl7.org/fhir/StructureDefinition/designNote
extension:itemControl | S | 0..1 | CodeableConcept | E.g. Fly-over, Table, Checkbox, Combo-box, Lookup, etc. URL: http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl Binding: QuestionnaireItemUIControlCodes (extensible): User interface controls or widgets used for questionnaire items.
extension:choiceOrientation |  | 0..1 | code | horizontal | vertical URL: http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation Binding: ChoiceListOrientation (required): Direction in which lists of possible answers should be displayed.
extension:displayCategory |  | 0..1 | CodeableConcept | Purpose of rendered text URL: http://hl7.org/fhir/StructureDefinition/questionnaire-displayCategory Binding: QuestionnaireDisplayCategories (extensible): Identifies the purpose for a "display" item.
extension:supportHyperlink | S | 0..1 | (Complex) | A labeled hyperlink for user guidance URL: http://hl7.org/fhir/StructureDefinition/questionnaire-supportHyperlink
extension:sliderStepValue |  | 0..1 | integer | Increment value for slider URL: http://hl7.org/fhir/StructureDefinition/questionnaire-sliderStepValue
extension:entryFormat |  | 0..1 | string | User prompt for format URL: http://hl7.org/fhir/StructureDefinition/entryFormat
extension:usageMode |  | 0..1 | code | capture | display | display-non-empty | capture-display | capture-display-non-empty URL: http://hl7.org/fhir/StructureDefinition/questionnaire-usageMode Binding: QuestionnaireItemUsageMode (required): Identifies the modes of usage of a questionnaire that should enable a particular questionnaire item.
extension:itemSignatureRequired |  | 0..1 | CodeableConcept | Is signature needed? URL: http://hl7.org/fhir/StructureDefinition/questionnaire-signatureRequired Binding: SignatureTypeCodes (preferred): The type of signature needed.
extension:minOccurs |  | 0..1 | integer | Minimum repetitions URL: http://hl7.org/fhir/StructureDefinition/questionnaire-minOccurs
extension:maxOccurs |  | 0..1 | integer | Maximum repetitions URL: http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs
extension:minLength |  | 0..1 | integer | At least this many characters URL: http://hl7.org/fhir/StructureDefinition/minLength
extension:regex |  | 0..1 | string | Regular expression pattern URL: http://hl7.org/fhir/StructureDefinition/regex
extension:minValue |  | 0..1 | date, dateTime, time, decimal, integer, Quantity | Must be >= this value URL: http://hl7.org/fhir/StructureDefinition/minValue
extension:maxValue |  | 0..1 | date, dateTime, time, decimal, integer, Quantity | Must be <= this value URL: http://hl7.org/fhir/StructureDefinition/maxValue
extension:maxDecimalPlaces |  | 0..1 | integer, Quantity | Maximum digits after decimal URL: http://hl7.org/fhir/StructureDefinition/maxDecimalPlaces
extension:mimeType | S | 0..1 | code | Type of attachment URL: http://hl7.org/fhir/StructureDefinition/mimeType Binding: Mime Types (required): BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)
extension:maxSize |  | 0..1 | decimal | Max size in bytes URL: http://hl7.org/fhir/StructureDefinition/maxSize
extension:unitOption | S | 0..* | Coding | Unit choice URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption
extension:referenceResource | S | 0..* | code | Allowed resource for reference URL: http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
extension:referenceProfile | S | 0..* | canonical(StructureDefinition) | Allowed profile for reference URL: http://hl7.org/fhir/StructureDefinition/questionnaire-referenceProfile
extension:itemConstraint |  | 0..* | (Complex) | A constraint on the target resource URL: http://hl7.org/fhir/StructureDefinition/targetConstraint
extension:unit |  | 0..1 | Coding | Unit for numeric answer URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unit
extension:unitValueSet | S | 0..1 | canonical(ValueSet) | Unit choices URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet
extension:itemMedia |  | 0..1 | Attachment | Media to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemMedia
extension:shortText |  | 0..1 | string | Short text for the item. URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-shortText
extension:openLabel |  | 0..1 | string | Image to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-openLabel
extension:choiceColumn |  | 0..* | (Complex) | Guide for rendering multi-column choices URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-choiceColumn
extension:width |  | 0..1 | Quantity | Width of column for question URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-width
extension:collapsible |  | 0..1 | code | Indicates whether the child items of a group or question item is displayed in collapsible form. URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-collapsible Binding: Questionnaire Item Collapsible (required): Defines mechanism of displaying child items.
extension:minQuantity |  | 0..1 | Quantity | Must be >= this value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-minQuantity
extension:maxQuantity |  | 0..1 | Quantity | Must be <= this value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-maxQuantity
extension:lookupQuestionnaire | S | 0..1 | canonical(Questionnaire) | Questionnaire to populate a reference URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-lookupQuestionnaire
extension:candidateExpression | S | 0..1 | (Complex) | Expression for possible answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"
value[x] |  | 0..1 | Expression | Value of extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
extension:initialExpression | S | 0..1 | (Complex) | Expression-determined initial value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression"
value[x] |  | 0..1 | Expression | Value of extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
extension:calculatedExpression | S | 0..1 | (Complex) | Expression-determined initial value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression"
value[x] |  | 1..1 | Expression | Value of extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
extension:contextExpression | S | 0..* | (Complex) | Expression for information to guide answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression
Slices for extension |  | 2..* | Extension | Extension Slice: Unordered, Open by value:url
extension:label |  | 1..1 | Extension | Context label
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "label"
value[x] |  | 1..1 | string | Value of extension
extension:expression |  | 1..1 | Extension | Extension
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "expression"
value[x] |  | 1..1 | Expression | Value of extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression"
extension:enableWhenExpression | S | 0..1 | Expression | Expression for when to enable the item URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression
extension:answerOptionsToggleExpression |  | 0..1 | (Complex) | Expression constraining allowed answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
linkId | S C | 1..1 | string | Unique id for item in questionnaire Constraints: que-15
prefix | S | 0..1 | string | E.g. "1(a)", "2.5.3"
Slices for extension |  |  |  | Content/Rules for all slices
extension:itemPrefixRenderingStyle |  | 0..1 | string | Html style value URL: http://hl7.org/fhir/StructureDefinition/rendering-style
extension:itemPrefixRenderingXhtml |  | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
text |  | 1..1 | string | Primary text for the item
Slices for extension |  |  |  | Content/Rules for all slices
extension:itemTextRenderingStyle |  | 0..1 | string | Html style value URL: http://hl7.org/fhir/StructureDefinition/rendering-style
extension:itemTextRenderingXhtml | S | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
extension:itemTextCqfExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
type | S | 1..1 | code | group | display | boolean | decimal | integer | date | dateTime + Binding: QuestionnaireItemType (required): Distinguishes groups from questions and display text and indicates data type for questions.
enableWhen | ?!S C | 0..* | BackboneElement | Only allow data when Constraints: que-7
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
question |  | 1..1 | string | Question that determines whether item is enabled
operator |  | 1..1 | code | exists | = | != | > | < | >= | <= Binding: QuestionnaireItemOperator (required): The criteria by which a question is enabled.
answer[x] | C | 1..1 |  | Value for question comparison based on operator Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
answerBoolean |  |  | boolean |
answerDecimal |  |  | decimal |
answerInteger |  |  | integer |
answerDate |  |  | date |
answerDateTime |  |  | dateTime |
answerTime |  |  | time |
answerString |  |  | string |
answerCoding |  |  | Coding |
answerQuantity |  |  | Quantity |
answerReference |  |  | Reference(Resource) |
enableBehavior | S C | 0..1 | code | all | any Binding: EnableWhenBehavior (required): Controls how multiple enableWhen values are interpreted - whether all or any must be true.
required | S C | 0..1 | boolean | Whether the item must be included in data results
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:requiredExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
repeats | S C | 0..1 | boolean | Whether the item may repeat
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:repeatsExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
readOnly | S C | 0..1 | boolean | Don't allow human editing
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:readOnlyExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
answerValueSet | S C | 0..1 | canonical(SDC Value Set(4.0.0)) | Valueset containing permitted answers
value |  | 0..1 | string | Primitive value for canonical
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:answerValueSetExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
answerOption | S C | 0..* | BackboneElement | Permitted answer
Slices for extension |  |  |  | Content/Rules for all slices
extension:optionExclusive | S | 0..1 | boolean | Option is exclusive URL: http://hl7.org/fhir/StructureDefinition/questionnaire-optionExclusive
extension:ordinalValue |  | 0..1 | decimal | Assigned Ordinal Value URL: http://hl7.org/fhir/StructureDefinition/ordinalValue
extension:itemAnswerMedia |  | 0..1 | Attachment | Answer Media to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemAnswerMedia
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
Slices for value[x] | S | 1..1 |  | Answer value Slice: Unordered, Closed by type:$this Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
value[x]:All Slices |  |  |  | Content/Rules for all slices
value[x]All Types |  |  |  | Content/Rules for all Types
Slices for extension |  |  |  | Content/Rules for all slices
extension:answerOptionRenderingXhtml | S | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
valueInteger |  |  | integer |
valueDate |  |  | date |
valueTime |  |  | time |
valueString |  |  | string |
valueCoding |  |  | Coding |
valueReference |  |  | Reference(Resource) |
value[x]:valueCoding | S C | 0..1 | Coding | Answer value Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions. Constraints: sdc-base-1, sdc-base-2
value[x]:valueReference | S C | 0..1 | Reference(Resource) | Answer value Constraints: sdc-base-4
initial | S C | 0..* | BackboneElement | Initial value(s) when item is first rendered
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
value[x] | S | 1..1 |  | Actual value for initializing the question Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
valueBoolean |  |  | boolean |
valueDecimal |  |  | decimal |
valueInteger |  |  | integer |
valueDate |  |  | date |
valueDateTime |  |  | dateTime |
valueTime |  |  | time |
valueString |  |  | string |
valueUri |  |  | uri |
valueAttachment |  |  | Attachment |
valueCoding |  |  | Coding |
valueQuantity |  |  | Quantity |
valueReference |  |  | Reference(Resource) |
item | S C | 0..* | See item (Questionnaire) | Nested questionnaire items
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Questionnaire.status | Base | required | PublicationStatus | 📍4.0.1 | FHIR Std.
Questionnaire.subjectType | Base | required | ResourceType | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:candidateExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:initialExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:calculatedExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:contextExpression.​extension:expression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.type | Base | required | QuestionnaireItemType | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableWhen.​operator | Base | required | QuestionnaireItemOperator | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableWhen.​answer[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableBehavior | Base | required | EnableWhenBehavior | 📍4.0.1 | FHIR Std.
Questionnaire.item.answerOption.​value[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.answerOption.​value[x]:valueCoding | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.initial.​value[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
cnl-0 | warning | Questionnaire | Name should be usable as an identifier for the module by machine processing applications such as code generation | `name.exists() implies name.matches('^[A-Z]([A-Za-z0-9_]){1,254}$')`
cnl-1 | warning | Questionnaire.url | Warning Questionnaire.url URL should not contain | or # - these characters make processing canonical references problematic | `exists() implies matches('^[^|# ]+$')`
dom-2 | error | Questionnaire | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Questionnaire | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource | `contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()`
dom-4 | error | Questionnaire | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated | `contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()`
dom-5 | error | Questionnaire | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Questionnaire | A resource should have narrative for robust management | `text.`div`.exists()`
dtrq-2 | warning | Questionnaire.item | if item type is 'choice' or 'open-choice', then it should have either the answerOption, answerValueSet, or answerExpression extension | `(type='choice' or type='open-choice') implies answerOption.exists() or answerValueSet.exists() or extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').exists()`
dtrq-3 | warning | Questionnaire.item | if item type is Quantity, then it should have either the unitOption or unitValueSet extension | `(type='quantity') implies extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption').exists() or extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet').exists()`
dtrq-4 | error | Questionnaire.item | if item type is Reference, then it must have a referenceResource extension | `(type='reference') implies extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource').exists()`
dtrq-5 | warning | Questionnaire.item | if item type is Reference, then it should have a candidateExpression extension | `(type='reference') implies extension.where(url='http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression').exists()`
dtrq-6 | error | Questionnaire | If audience is 'clinical' or 'patient' then estimatedCompletionTime must contain clinicalTime. | `extension.exists(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/questionnaireAudience' and (value = 'clinical' or value = 'patient')) and extension.exists(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time') implies extension.where(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time').extension.where(url = 'clinicalTime').exists()`
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`
que-0 | warning | Questionnaire | Name should be usable as an identifier for the module by machine processing applications such as code generation | `name.matches('[A-Z]([A-Za-z0-9_]){0,254}')`
que-1 | error | Questionnaire.item | Group items must have nested items, display items cannot have nested items | `(type='group' implies item.empty().not()) and (type.trace('type')='display' implies item.trace('item').empty())`
que-2 | error | Questionnaire | The link ids for groups and questions must be unique within the questionnaire | `descendants().linkId.isDistinct()`
que-3 | error | Questionnaire.item | Display items cannot have a "code" asserted | `type!='display' or code.empty()`
que-4 | error | Questionnaire.item | A question cannot have both answerOption and answerValueSet | `answerOption.empty() or answerValueSet.empty()`
que-5 | error | Questionnaire.item | Only 'choice' and 'open-choice' items can have answerValueSet | `(type ='choice' or type = 'open-choice' or type = 'decimal' or type = 'integer' or type = 'date' or type = 'dateTime' or type = 'time' or type = 'string' or type = 'quantity') or (answerValueSet.empty() and answerOption.empty())`
que-6 | error | Questionnaire.item | Required and repeat aren't permitted for display items | `type!='display' or (required.empty() and repeats.empty())`
que-7 | error | Questionnaire.item.enableWhen | If the operator is 'exists', the value must be a boolean | `operator = 'exists' implies (answer is Boolean)`
que-8 | error | Questionnaire.item | Initial values can't be specified for groups or display items | `(type!='group' and type!='display') or initial.empty()`
que-9 | error | Questionnaire.item | Read-only can't be specified for "display" items | `type!='display' or readOnly.empty()`
que-10 | error | Questionnaire.item | Maximum length can only be declared for simple question types | `(type in ('boolean' | 'decimal' | 'integer' | 'string' | 'text' | 'url' | 'open-choice')) or maxLength.empty()`
que-11 | error | Questionnaire.item | If one or more answerOption is present, initial[x] must be missing | `answerOption.empty() or initial.empty()`
que-12 | error | Questionnaire.item | If there are more than one enableWhen, enableBehavior must be specified | `enableWhen.count() > 2 implies enableBehavior.exists()`
que-13 | error | Questionnaire.item | Can only have multiple initial values for repeating items | `repeats=true or initial.count() <= 1`
que-14 | warning | Questionnaire.item | Can only have answerConstraint if answerOption, answerValueSet, or answerExpression are present. (This is a warning because other extensions may serve the same purpose) | `extension('http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.answerConstraint').exists() implies answerOption.exists() or answerValueSet.exists() or extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').exists()`
que-15 | error | Questionnaire.item.linkId | Link ids must be 255 characters or less | `$this.length() <= 255`
que-1a | error | Questionnaire.item | Group items must have nested items when Questionanire is complete | `(type='group' and %resource.status='complete') implies item.empty().not()`
que-1b | warning | Questionnaire.item | Groups should have items | `type='group' implies item.empty().not()`
que-1c | error | Questionnaire.item | Display items cannot have child items | `type='display' implies item.empty()`
sdc-1 | error | Questionnaire.item | An item cannot have an answerExpression if answerOption or answerValueSet is already present. | `extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').empty().not() implies (answerOption.empty() and answerValueSet.empty())`
sdc-2 | error | Questionnaire | If version is present, versionAlgorithm must be present. | `version.exists() implies extension.where(url='http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm').exists()`
sdc-3 | best practice | Questionnaire | Semver is the preferred version algorithm - package machinery doesn't work well with artifacts using alternate versioning schemes | `extension.where(url='http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm').all(value.ofType(Coding).where(system='http://hl7.org/fhir/version-algorithm' and code='semver').exists())`
sdc-base-1 | error | Questionnaire.item.answerOption.value[x]:valueCoding | AnswerOption.valueCoding must have at least one of code or display | `code.exists() or display.exists()`
sdc-base-2 | error | Questionnaire.item.answerOption.value[x]:valueCoding | If code exists, system must exist | `code.exists() implies system.exists()`
sdc-base-4 | error | Questionnaire.item.answerOption.value[x]:valueReference | Reference must have at least one of reference, display, and identifier | `reference.exists() or display.exists() or identifier.exists()`

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Questionnaire |  | 0..* | DTRBaseQuestionnaire | A structured set of questions
item |  | 1..* | BackboneElement | Questions and sections within the Questionnaire
Slices for extension |  |  |  | Content/Rules for all slices
extension:enableWhenExpression | S | 0..1 | Expression | Expression for when to enable the item URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression
extension:answerOptionsToggleExpression |  | 0..1 | (Complex) | Expression constraining allowed answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression
text |  |  |  |
Slices for extension |  |  |  | Content/Rules for all slices
extension:itemTextCqfExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
enableWhen | S | 0..* | BackboneElement | Only allow data when
required |  |  |  |
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:requiredExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
repeats |  |  |  |
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:repeatsExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
readOnly |  |  |  |
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:readOnlyExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
answerValueSet |  |  |  |
value |  | 0..1 | string | Primitive value for canonical
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:answerValueSetExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Questionnaire | C | 0..* | DTRBaseQuestionnaire | A structured set of questions Constraints: que-0, que-2, cnl-0, sdc-2, sdc-3, dtrq-6
id | Σ | 0..1 | id | Logical id of this artifact
meta | Σ | 0..1 | Meta | Metadata about the resource
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
language |  | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
Additional Bindings | Purpose
AllLanguages | Max Binding
text |  | 0..1 | Narrative | Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
status |  | 1..1 | code | generated | extensions | additional | empty Binding: NarrativeStatus (required): The status of a resource narrative.
div | C | 1..1 | xhtml | Limited xhtml content Constraints: txt-1, txt-2
contained |  | 0..* | Resource | Contained, inline Resources
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:terminologyServer | S | 0..* | url | Preferred terminology server URL: http://hl7.org/fhir/StructureDefinition/preferredTerminologyServer
extension:versionAlgorithm | S | 0..1 | Coding | How to compare versions URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Binding: VersionAlgorithm (extensible)
extension:copyrightLabel |  | 0..1 | string | Copyright holder and year(s) URL: http://hl7.org/fhir/StructureDefinition/artifact-copyrightLabel
extension:designNote |  | 0..1 | markdown | Design comments URL: http://hl7.org/fhir/StructureDefinition/designNote
extension:performerType | S | 0..* | code | Resource that can record answers to this Questionnaire URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-performerType Binding: Questionnaire Performer Type (required): Resources that can record answers to a questionnaire.
extension:estimatedCompletionTime | S | 0..1 | (Complex) | Extension URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time
extension:audience | S | 0..* | code | Questionnaire Audience URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/questionnaireAudience Binding: Audience Value Set (required)
extension:RequestSpecific | S | 0..1 | boolean | Request Specific Flag URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/request-specific
extension:styleSensitive |  | 0..1 | (Complex) | Are styles important for processing? URL: http://hl7.org/fhir/StructureDefinition/rendering-styleSensitive
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/rendering-styleSensitive"
value[x] |  | 1..1 | boolean | Value of extension Required Pattern: false
extension:signatureRequired | S | 0..1 | CodeableConcept | There's a cost to support this. URL: http://hl7.org/fhir/StructureDefinition/questionnaire-signatureRequired Binding: SignatureTypeCodes (preferred): The type of signature needed.
extension:variable | S | 0..* | Expression | Variable for processing URL: http://hl7.org/fhir/StructureDefinition/variable
extension:constraint |  | 0..* | (Complex) | A constraint on the target resource URL: http://hl7.org/fhir/StructureDefinition/targetConstraint
extension:cqf-library | S | 0..* | (Complex) | The library can contain CQL, FHIRPath or x-fhir-query. The implementers must handle any of the above. URL: http://hl7.org/fhir/StructureDefinition/cqf-library
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/cqf-library"
value[x] |  | 1..1 | canonical(SDC Library(4.0.0)) | Value of extension
extension:launchContext | S | 0..* | (Complex) | Context resources needed for Questionnaire URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-launchContext
extension:itemPopulationContext | S | 0..1 | Expression | Establishes mapping context for a Questionnaire item URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemPopulationContext
extension:entryMode | S | 0..1 | code | sequential | prior-edit | random URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-entryMode Binding: Questionnaire Entry Mode (required): Entry modes when completing a questionnaire
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
url | S Σ C | 1..1 | uri | Canonical identifier for this questionnaire, represented as a URI (globally unique) Constraints: cnl-1
identifier | Σ | 0..* | Identifier | Additional identifier for the questionnaire
version | S Σ | 0..1 | string | Business version of the questionnaire
name | Σ C | 0..1 | string | Name for this questionnaire (computer friendly)
title | S Σ | 0..1 | string | Name for this questionnaire (human friendly)
derivedFrom |  | 0..* | canonical(Questionnaire) | Instantiates protocol or definition
status | ?!S Σ | 1..1 | code | draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
experimental | Σ | 0..1 | boolean | For testing purposes, not real usage
subjectType | S Σ | 1..1 | code | Resource that can be subject of QuestionnaireResponse Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR. Required Pattern: Patient
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:subjectType |  | 0..* | code | R5: subjectType additional codes URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.subjectType Binding: R5ResourceTypesForR4 (0.1.0) (required): One of the resource types defined as part of this version of FHIR. Constraints: ext-1
value |  | 0..1 | string | Primitive value for code
date | Σ | 0..1 | dateTime | Date last changed
publisher | Σ | 0..1 | string | Name of the publisher (organization or individual)
contact | Σ | 0..* | ContactDetail | Contact details for the publisher
description |  | 0..1 | markdown | Natural language description of the questionnaire
useContext | Σ | 0..* | UsageContext | The context that the content is intended to support
jurisdiction | Σ | 0..* | CodeableConcept | Intended jurisdiction for questionnaire (if applicable) Binding: Jurisdiction ValueSet (extensible): Countries and regions within which this artifact is targeted for use.
purpose |  | 0..1 | markdown | Why this questionnaire is defined
copyright |  | 0..1 | markdown | Use and/or publishing restrictions
approvalDate |  | 0..1 | date | When the questionnaire was approved by publisher
lastReviewDate |  | 0..1 | date | When the questionnaire was last reviewed
effectivePeriod | S Σ | 0..1 | Period | When the questionnaire is expected to be used
code | Σ | 0..* | Coding | Concept that represents the overall questionnaire Binding: QuestionnaireQuestionCodes (example): Codes for questionnaires, groups and individual questions.
item | S C | 1..* | BackboneElement | Questions and sections within the Questionnaire Constraints: que-1, que-3, que-4, que-5, que-6, que-8, que-9, que-10, que-11, que-12, que-13, sdc-1, que-1a, que-1b, que-1c, que-14, dtrq-2, dtrq-3, dtrq-4, dtrq-5
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:hidden | S | 0..1 | boolean | Don't display to user URL: http://hl7.org/fhir/StructureDefinition/questionnaire-hidden
extension:terminologyServer |  | 0..* | url | Preferred terminology server URL: http://hl7.org/fhir/StructureDefinition/preferredTerminologyServer
extension:disabledDisplay |  | 0..1 | code | R5: hidden | protected (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.disabledDisplay Binding: R5QuestionnaireDisabledDisplayForR4 (0.1.0) (required): Defines how disabled elements should be rendered Constraints: ext-1
extension:answerConstraint |  | 0..1 | code | R5: optionsOnly | optionsOrType | optionsOrString (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.answerConstraint Binding: R5QuestionnaireAnswerConstraintForR4 (0.1.0) (required): Indicates differnt modes for restricting values when options or valueset are specified Constraints: ext-1
extension:designNote |  | 0..1 | markdown | Design comments URL: http://hl7.org/fhir/StructureDefinition/designNote
extension:itemControl | S | 0..1 | CodeableConcept | E.g. Fly-over, Table, Checkbox, Combo-box, Lookup, etc. URL: http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl Binding: QuestionnaireItemUIControlCodes (extensible): User interface controls or widgets used for questionnaire items.
extension:choiceOrientation |  | 0..1 | code | horizontal | vertical URL: http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation Binding: ChoiceListOrientation (required): Direction in which lists of possible answers should be displayed.
extension:displayCategory |  | 0..1 | CodeableConcept | Purpose of rendered text URL: http://hl7.org/fhir/StructureDefinition/questionnaire-displayCategory Binding: QuestionnaireDisplayCategories (extensible): Identifies the purpose for a "display" item.
extension:supportHyperlink | S | 0..1 | (Complex) | A labeled hyperlink for user guidance URL: http://hl7.org/fhir/StructureDefinition/questionnaire-supportHyperlink
extension:sliderStepValue |  | 0..1 | integer | Increment value for slider URL: http://hl7.org/fhir/StructureDefinition/questionnaire-sliderStepValue
extension:entryFormat |  | 0..1 | string | User prompt for format URL: http://hl7.org/fhir/StructureDefinition/entryFormat
extension:usageMode |  | 0..1 | code | capture | display | display-non-empty | capture-display | capture-display-non-empty URL: http://hl7.org/fhir/StructureDefinition/questionnaire-usageMode Binding: QuestionnaireItemUsageMode (required): Identifies the modes of usage of a questionnaire that should enable a particular questionnaire item.
extension:itemSignatureRequired |  | 0..1 | CodeableConcept | Is signature needed? URL: http://hl7.org/fhir/StructureDefinition/questionnaire-signatureRequired Binding: SignatureTypeCodes (preferred): The type of signature needed.
extension:minOccurs |  | 0..1 | integer | Minimum repetitions URL: http://hl7.org/fhir/StructureDefinition/questionnaire-minOccurs
extension:maxOccurs |  | 0..1 | integer | Maximum repetitions URL: http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs
extension:minLength |  | 0..1 | integer | At least this many characters URL: http://hl7.org/fhir/StructureDefinition/minLength
extension:regex |  | 0..1 | string | Regular expression pattern URL: http://hl7.org/fhir/StructureDefinition/regex
extension:minValue |  | 0..1 | date, dateTime, time, decimal, integer, Quantity | Must be >= this value URL: http://hl7.org/fhir/StructureDefinition/minValue
extension:maxValue |  | 0..1 | date, dateTime, time, decimal, integer, Quantity | Must be <= this value URL: http://hl7.org/fhir/StructureDefinition/maxValue
extension:maxDecimalPlaces |  | 0..1 | integer, Quantity | Maximum digits after decimal URL: http://hl7.org/fhir/StructureDefinition/maxDecimalPlaces
extension:mimeType | S | 0..1 | code | Type of attachment URL: http://hl7.org/fhir/StructureDefinition/mimeType Binding: Mime Types (required): BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)
extension:maxSize |  | 0..1 | decimal | Max size in bytes URL: http://hl7.org/fhir/StructureDefinition/maxSize
extension:unitOption | S | 0..* | Coding | Unit choice URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption
extension:referenceResource | S | 0..* | code | Allowed resource for reference URL: http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
extension:referenceProfile | S | 0..* | canonical(StructureDefinition) | Allowed profile for reference URL: http://hl7.org/fhir/StructureDefinition/questionnaire-referenceProfile
extension:itemConstraint |  | 0..* | (Complex) | A constraint on the target resource URL: http://hl7.org/fhir/StructureDefinition/targetConstraint
extension:unit |  | 0..1 | Coding | Unit for numeric answer URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unit
extension:unitValueSet | S | 0..1 | canonical(ValueSet) | Unit choices URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet
extension:itemMedia |  | 0..1 | Attachment | Media to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemMedia
extension:shortText |  | 0..1 | string | Short text for the item. URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-shortText
extension:openLabel |  | 0..1 | string | Image to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-openLabel
extension:choiceColumn |  | 0..* | (Complex) | Guide for rendering multi-column choices URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-choiceColumn
extension:width |  | 0..1 | Quantity | Width of column for question URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-width
extension:collapsible |  | 0..1 | code | Indicates whether the child items of a group or question item is displayed in collapsible form. URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-collapsible Binding: Questionnaire Item Collapsible (required): Defines mechanism of displaying child items.
extension:minQuantity |  | 0..1 | Quantity | Must be >= this value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-minQuantity
extension:maxQuantity |  | 0..1 | Quantity | Must be <= this value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-maxQuantity
extension:lookupQuestionnaire | S | 0..1 | canonical(Questionnaire) | Questionnaire to populate a reference URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-lookupQuestionnaire
extension:candidateExpression | S | 0..1 | (Complex) | Expression for possible answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"
value[x] |  | 0..1 | Expression | Value of extension
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
description | Σ | 0..1 | string | Natural language description of the condition
name | Σ | 0..1 | id | Short name assigned to expression for reuse
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
expression | Σ | 0..1 | string | Expression in specified language
reference | Σ | 0..1 | uri | Where the expression is found
extension:initialExpression | S | 0..1 | (Complex) | Expression-determined initial value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression"
value[x] |  | 0..1 | Expression | Value of extension
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
description | Σ | 0..1 | string | Natural language description of the condition
name | Σ | 0..1 | id | Short name assigned to expression for reuse
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
expression | Σ | 0..1 | string | Expression in specified language
reference | Σ | 0..1 | uri | Where the expression is found
extension:calculatedExpression | S | 0..1 | (Complex) | Expression-determined initial value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression"
value[x] |  | 1..1 | Expression | Value of extension
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
description | Σ | 0..1 | string | Natural language description of the condition
name | Σ | 0..1 | id | Short name assigned to expression for reuse
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
expression | Σ | 0..1 | string | Expression in specified language
reference | Σ | 0..1 | uri | Where the expression is found
extension:contextExpression | S | 0..* | (Complex) | Expression for information to guide answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 2..* | Extension | Extension Slice: Unordered, Open by value:url
extension:label |  | 1..1 | Extension | Context label
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "label"
value[x] |  | 1..1 | string | Value of extension
extension:expression |  | 1..1 | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "expression"
value[x] |  | 1..1 | Expression | Value of extension
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
description | Σ | 0..1 | string | Natural language description of the condition
name | Σ | 0..1 | id | Short name assigned to expression for reuse
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
expression | Σ | 0..1 | string | Expression in specified language
reference | Σ | 0..1 | uri | Where the expression is found
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression"
extension:enableWhenExpression | S | 0..1 | Expression | Expression for when to enable the item URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression
extension:answerOptionsToggleExpression |  | 0..1 | (Complex) | Expression constraining allowed answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
linkId | S C | 1..1 | string | Unique id for item in questionnaire Constraints: que-15
definition |  | 0..1 | uri | ElementDefinition - details for the item
code | C | 0..* | Coding | Corresponding concept for this item in a terminology Binding: QuestionnaireQuestionCodes (example): Codes for questionnaires, groups and individual questions.
prefix | S | 0..1 | string | E.g. "1(a)", "2.5.3"
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:itemPrefixRenderingStyle |  | 0..1 | string | Html style value URL: http://hl7.org/fhir/StructureDefinition/rendering-style
extension:itemPrefixRenderingXhtml |  | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
value |  | 0..1 | string | Primitive value for string Max Length:1048576
text |  | 1..1 | string | Primary text for the item
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:itemTextRenderingStyle |  | 0..1 | string | Html style value URL: http://hl7.org/fhir/StructureDefinition/rendering-style
extension:itemTextRenderingXhtml | S | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
extension:itemTextCqfExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
value |  | 0..1 | string | Primitive value for string Max Length:1048576
type | S | 1..1 | code | group | display | boolean | decimal | integer | date | dateTime + Binding: QuestionnaireItemType (required): Distinguishes groups from questions and display text and indicates data type for questions.
enableWhen | ?!S C | 0..* | BackboneElement | Only allow data when Constraints: que-7
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
question |  | 1..1 | string | Question that determines whether item is enabled
operator |  | 1..1 | code | exists | = | != | > | < | >= | <= Binding: QuestionnaireItemOperator (required): The criteria by which a question is enabled.
answer[x] | C | 1..1 |  | Value for question comparison based on operator Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
answerBoolean |  |  | boolean |
answerDecimal |  |  | decimal |
answerInteger |  |  | integer |
answerDate |  |  | date |
answerDateTime |  |  | dateTime |
answerTime |  |  | time |
answerString |  |  | string |
answerCoding |  |  | Coding |
answerQuantity |  |  | Quantity |
answerReference |  |  | Reference(Resource) |
enableBehavior | S C | 0..1 | code | all | any Binding: EnableWhenBehavior (required): Controls how multiple enableWhen values are interpreted - whether all or any must be true.
required | S C | 0..1 | boolean | Whether the item must be included in data results
id |  | 0..1 | string | xml:id (or equivalent in JSON)
extension |  | 0..* | Extension | Additional content defined by implementations
value |  | 0..1 | boolean | Primitive value for boolean
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:requiredExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
value |  | 0..1 | boolean | Primitive value for boolean
repeats | S C | 0..1 | boolean | Whether the item may repeat
id |  | 0..1 | string | xml:id (or equivalent in JSON)
extension |  | 0..* | Extension | Additional content defined by implementations
value |  | 0..1 | boolean | Primitive value for boolean
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:repeatsExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
value |  | 0..1 | boolean | Primitive value for boolean
readOnly | S C | 0..1 | boolean | Don't allow human editing
id |  | 0..1 | string | xml:id (or equivalent in JSON)
extension |  | 0..* | Extension | Additional content defined by implementations
value |  | 0..1 | boolean | Primitive value for boolean
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:readOnlyExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
value |  | 0..1 | boolean | Primitive value for boolean
maxLength | C | 0..1 | integer | No more than this many characters
answerValueSet | S C | 0..1 | canonical(SDC Value Set(4.0.0)) | Valueset containing permitted answers
id |  | 0..1 | string | xml:id (or equivalent in JSON)
extension |  | 0..* | Extension | Additional content defined by implementations
value |  | 0..1 | string | Primitive value for canonical
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:answerValueSetExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
value |  | 0..1 | string | Primitive value for string Max Length:1048576
answerOption | S C | 0..* | BackboneElement | Permitted answer
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:optionExclusive | S | 0..1 | boolean | Option is exclusive URL: http://hl7.org/fhir/StructureDefinition/questionnaire-optionExclusive
extension:ordinalValue |  | 0..1 | decimal | Assigned Ordinal Value URL: http://hl7.org/fhir/StructureDefinition/ordinalValue
extension:itemAnswerMedia |  | 0..1 | Attachment | Answer Media to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemAnswerMedia
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
Slices for value[x] | S | 1..1 |  | Answer value Slice: Unordered, Closed by type:$this Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
value[x]:All Slices |  |  |  | Content/Rules for all slices
value[x]All Types |  |  |  | Content/Rules for all Types
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:answerOptionRenderingXhtml | S | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
valueInteger |  |  | integer |
valueDate |  |  | date |
valueTime |  |  | time |
valueString |  |  | string |
valueCoding |  |  | Coding |
valueReference |  |  | Reference(Resource) |
value[x]:valueCoding | S C | 0..1 | Coding | Answer value Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions. Constraints: sdc-base-1, sdc-base-2
value[x]:valueReference | S C | 0..1 | Reference(Resource) | Answer value Constraints: sdc-base-4
initialSelected |  | 0..1 | boolean | Whether option is selected by default
initial | S C | 0..* | BackboneElement | Initial value(s) when item is first rendered
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
value[x] | S | 1..1 |  | Actual value for initializing the question Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
valueBoolean |  |  | boolean |
valueDecimal |  |  | decimal |
valueInteger |  |  | integer |
valueDate |  |  | date |
valueDateTime |  |  | dateTime |
valueTime |  |  | time |
valueString |  |  | string |
valueUri |  |  | uri |
valueAttachment |  |  | Attachment |
valueCoding |  |  | Coding |
valueQuantity |  |  | Quantity |
valueReference |  |  | Reference(Resource) |
item | S C | 0..* | See item (Questionnaire) | Nested questionnaire items
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Questionnaire.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
Questionnaire.text.status | Base | required | NarrativeStatus | 📍4.0.1 | FHIR Std.
Questionnaire.status | Base | required | PublicationStatus | 📍4.0.1 | FHIR Std.
Questionnaire.subjectType | Base | required | ResourceType | 📍4.0.1 | FHIR Std.
Questionnaire.jurisdiction | Base | extensible | Jurisdiction | 📍4.0.1 | FHIR Std.
Questionnaire.code | Base | example | Questionnaire Question Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:candidateExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:initialExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:calculatedExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:contextExpression.​extension:expression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.code | Base | example | Questionnaire Question Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.type | Base | required | QuestionnaireItemType | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableWhen.​operator | Base | required | QuestionnaireItemOperator | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableWhen.​answer[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableBehavior | Base | required | EnableWhenBehavior | 📍4.0.1 | FHIR Std.
Questionnaire.item.answerOption.​value[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.answerOption.​value[x]:valueCoding | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.initial.​value[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
cnl-0 | warning | Questionnaire | Name should be usable as an identifier for the module by machine processing applications such as code generation | `name.exists() implies name.matches('^[A-Z]([A-Za-z0-9_]){1,254}$')`
cnl-1 | warning | Questionnaire.url | Warning Questionnaire.url URL should not contain | or # - these characters make processing canonical references problematic | `exists() implies matches('^[^|# ]+$')`
dom-2 | error | Questionnaire | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Questionnaire | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource | `contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()`
dom-4 | error | Questionnaire | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated | `contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()`
dom-5 | error | Questionnaire | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Questionnaire | A resource should have narrative for robust management | `text.`div`.exists()`
dtrq-2 | warning | Questionnaire.item | if item type is 'choice' or 'open-choice', then it should have either the answerOption, answerValueSet, or answerExpression extension | `(type='choice' or type='open-choice') implies answerOption.exists() or answerValueSet.exists() or extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').exists()`
dtrq-3 | warning | Questionnaire.item | if item type is Quantity, then it should have either the unitOption or unitValueSet extension | `(type='quantity') implies extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption').exists() or extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet').exists()`
dtrq-4 | error | Questionnaire.item | if item type is Reference, then it must have a referenceResource extension | `(type='reference') implies extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource').exists()`
dtrq-5 | warning | Questionnaire.item | if item type is Reference, then it should have a candidateExpression extension | `(type='reference') implies extension.where(url='http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression').exists()`
dtrq-6 | error | Questionnaire | If audience is 'clinical' or 'patient' then estimatedCompletionTime must contain clinicalTime. | `extension.exists(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/questionnaireAudience' and (value = 'clinical' or value = 'patient')) and extension.exists(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time') implies extension.where(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time').extension.where(url = 'clinicalTime').exists()`
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`
que-0 | warning | Questionnaire | Name should be usable as an identifier for the module by machine processing applications such as code generation | `name.matches('[A-Z]([A-Za-z0-9_]){0,254}')`
que-1 | error | Questionnaire.item | Group items must have nested items, display items cannot have nested items | `(type='group' implies item.empty().not()) and (type.trace('type')='display' implies item.trace('item').empty())`
que-2 | error | Questionnaire | The link ids for groups and questions must be unique within the questionnaire | `descendants().linkId.isDistinct()`
que-3 | error | Questionnaire.item | Display items cannot have a "code" asserted | `type!='display' or code.empty()`
que-4 | error | Questionnaire.item | A question cannot have both answerOption and answerValueSet | `answerOption.empty() or answerValueSet.empty()`
que-5 | error | Questionnaire.item | Only 'choice' and 'open-choice' items can have answerValueSet | `(type ='choice' or type = 'open-choice' or type = 'decimal' or type = 'integer' or type = 'date' or type = 'dateTime' or type = 'time' or type = 'string' or type = 'quantity') or (answerValueSet.empty() and answerOption.empty())`
que-6 | error | Questionnaire.item | Required and repeat aren't permitted for display items | `type!='display' or (required.empty() and repeats.empty())`
que-7 | error | Questionnaire.item.enableWhen | If the operator is 'exists', the value must be a boolean | `operator = 'exists' implies (answer is Boolean)`
que-8 | error | Questionnaire.item | Initial values can't be specified for groups or display items | `(type!='group' and type!='display') or initial.empty()`
que-9 | error | Questionnaire.item | Read-only can't be specified for "display" items | `type!='display' or readOnly.empty()`
que-10 | error | Questionnaire.item | Maximum length can only be declared for simple question types | `(type in ('boolean' | 'decimal' | 'integer' | 'string' | 'text' | 'url' | 'open-choice')) or maxLength.empty()`
que-11 | error | Questionnaire.item | If one or more answerOption is present, initial[x] must be missing | `answerOption.empty() or initial.empty()`
que-12 | error | Questionnaire.item | If there are more than one enableWhen, enableBehavior must be specified | `enableWhen.count() > 2 implies enableBehavior.exists()`
que-13 | error | Questionnaire.item | Can only have multiple initial values for repeating items | `repeats=true or initial.count() <= 1`
que-14 | warning | Questionnaire.item | Can only have answerConstraint if answerOption, answerValueSet, or answerExpression are present. (This is a warning because other extensions may serve the same purpose) | `extension('http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.answerConstraint').exists() implies answerOption.exists() or answerValueSet.exists() or extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').exists()`
que-15 | error | Questionnaire.item.linkId | Link ids must be 255 characters or less | `$this.length() <= 255`
que-1a | error | Questionnaire.item | Group items must have nested items when Questionanire is complete | `(type='group' and %resource.status='complete') implies item.empty().not()`
que-1b | warning | Questionnaire.item | Groups should have items | `type='group' implies item.empty().not()`
que-1c | error | Questionnaire.item | Display items cannot have child items | `type='display' implies item.empty()`
sdc-1 | error | Questionnaire.item | An item cannot have an answerExpression if answerOption or answerValueSet is already present. | `extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').empty().not() implies (answerOption.empty() and answerValueSet.empty())`
sdc-2 | error | Questionnaire | If version is present, versionAlgorithm must be present. | `version.exists() implies extension.where(url='http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm').exists()`
sdc-3 | best practice | Questionnaire | Semver is the preferred version algorithm - package machinery doesn't work well with artifacts using alternate versioning schemes | `extension.where(url='http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm').all(value.ofType(Coding).where(system='http://hl7.org/fhir/version-algorithm' and code='semver').exists())`
sdc-base-1 | error | Questionnaire.item.answerOption.value[x]:valueCoding | AnswerOption.valueCoding must have at least one of code or display | `code.exists() or display.exists()`
sdc-base-2 | error | Questionnaire.item.answerOption.value[x]:valueCoding | If code exists, system must exist | `code.exists() implies system.exists()`
sdc-base-4 | error | Questionnaire.item.answerOption.value[x]:valueReference | Reference must have at least one of reference, display, and identifier | `reference.exists() or display.exists() or identifier.exists()`
txt-1 | error | Questionnaire.text.div | The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes | `htmlChecks()`
txt-2 | error | Questionnaire.text.div | The narrative SHALL have some non-whitespace content | `htmlChecks()`

Summary

Mandatory: 1 element
Must-Support: 2 elements

Extensions

This structure refers to these extensions:

- http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression|4.0.0
- http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression|4.0.0
- http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1

Maturity: 2

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Questionnaire | C | 0..* | DTRBaseQuestionnaire | A structured set of questions Constraints: que-0, que-2, cnl-0, sdc-2, sdc-3, dtrq-6
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
Slices for extension |  |  |  | Content/Rules for all slices
extension:terminologyServer | S | 0..* | url | Preferred terminology server URL: http://hl7.org/fhir/StructureDefinition/preferredTerminologyServer
extension:versionAlgorithm | S | 0..1 | Coding | How to compare versions URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Binding: VersionAlgorithm (extensible)
extension:copyrightLabel |  | 0..1 | string | Copyright holder and year(s) URL: http://hl7.org/fhir/StructureDefinition/artifact-copyrightLabel
extension:designNote |  | 0..1 | markdown | Design comments URL: http://hl7.org/fhir/StructureDefinition/designNote
extension:performerType | S | 0..* | code | Resource that can record answers to this Questionnaire URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-performerType Binding: Questionnaire Performer Type (required): Resources that can record answers to a questionnaire.
extension:estimatedCompletionTime | S | 0..1 | (Complex) | Extension URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time
extension:audience | S | 0..* | code | Questionnaire Audience URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/questionnaireAudience Binding: Audience Value Set (required)
extension:RequestSpecific | S | 0..1 | boolean | Request Specific Flag URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/request-specific
extension:styleSensitive |  | 0..1 | (Complex) | Are styles important for processing? URL: http://hl7.org/fhir/StructureDefinition/rendering-styleSensitive
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/rendering-styleSensitive"
value[x] |  | 1..1 | boolean | Value of extension Required Pattern: false
extension:signatureRequired | S | 0..1 | CodeableConcept | There's a cost to support this. URL: http://hl7.org/fhir/StructureDefinition/questionnaire-signatureRequired Binding: SignatureTypeCodes (preferred): The type of signature needed.
extension:variable | S | 0..* | Expression | Variable for processing URL: http://hl7.org/fhir/StructureDefinition/variable
extension:constraint |  | 0..* | (Complex) | A constraint on the target resource URL: http://hl7.org/fhir/StructureDefinition/targetConstraint
extension:cqf-library | S | 0..* | (Complex) | The library can contain CQL, FHIRPath or x-fhir-query. The implementers must handle any of the above. URL: http://hl7.org/fhir/StructureDefinition/cqf-library
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/cqf-library"
value[x] |  | 1..1 | canonical(SDC Library(4.0.0)) | Value of extension
extension:launchContext | S | 0..* | (Complex) | Context resources needed for Questionnaire URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-launchContext
extension:itemPopulationContext | S | 0..1 | Expression | Establishes mapping context for a Questionnaire item URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemPopulationContext
extension:entryMode | S | 0..1 | code | sequential | prior-edit | random URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-entryMode Binding: Questionnaire Entry Mode (required): Entry modes when completing a questionnaire
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
url | S Σ C | 1..1 | uri | Canonical identifier for this questionnaire, represented as a URI (globally unique) Constraints: cnl-1
version | S Σ | 0..1 | string | Business version of the questionnaire
title | S Σ | 0..1 | string | Name for this questionnaire (human friendly)
status | ?!S Σ | 1..1 | code | draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
subjectType | S Σ | 1..1 | code | Resource that can be subject of QuestionnaireResponse Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR. Required Pattern: Patient
Slices for extension |  |  |  | Content/Rules for all slices
extension:subjectType |  | 0..* | code | R5: subjectType additional codes URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.subjectType Binding: R5ResourceTypesForR4 (0.1.0) (required): One of the resource types defined as part of this version of FHIR. Constraints: ext-1
effectivePeriod | S Σ | 0..1 | Period | When the questionnaire is expected to be used
item | S C | 1..* | BackboneElement | Questions and sections within the Questionnaire Constraints: que-1, que-3, que-4, que-5, que-6, que-8, que-9, que-10, que-11, que-12, que-13, sdc-1, que-1a, que-1b, que-1c, que-14, dtrq-2, dtrq-3, dtrq-4, dtrq-5
Slices for extension |  |  |  | Content/Rules for all slices
extension:hidden | S | 0..1 | boolean | Don't display to user URL: http://hl7.org/fhir/StructureDefinition/questionnaire-hidden
extension:terminologyServer |  | 0..* | url | Preferred terminology server URL: http://hl7.org/fhir/StructureDefinition/preferredTerminologyServer
extension:disabledDisplay |  | 0..1 | code | R5: hidden | protected (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.disabledDisplay Binding: R5QuestionnaireDisabledDisplayForR4 (0.1.0) (required): Defines how disabled elements should be rendered Constraints: ext-1
extension:answerConstraint |  | 0..1 | code | R5: optionsOnly | optionsOrType | optionsOrString (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.answerConstraint Binding: R5QuestionnaireAnswerConstraintForR4 (0.1.0) (required): Indicates differnt modes for restricting values when options or valueset are specified Constraints: ext-1
extension:designNote |  | 0..1 | markdown | Design comments URL: http://hl7.org/fhir/StructureDefinition/designNote
extension:itemControl | S | 0..1 | CodeableConcept | E.g. Fly-over, Table, Checkbox, Combo-box, Lookup, etc. URL: http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl Binding: QuestionnaireItemUIControlCodes (extensible): User interface controls or widgets used for questionnaire items.
extension:choiceOrientation |  | 0..1 | code | horizontal | vertical URL: http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation Binding: ChoiceListOrientation (required): Direction in which lists of possible answers should be displayed.
extension:displayCategory |  | 0..1 | CodeableConcept | Purpose of rendered text URL: http://hl7.org/fhir/StructureDefinition/questionnaire-displayCategory Binding: QuestionnaireDisplayCategories (extensible): Identifies the purpose for a "display" item.
extension:supportHyperlink | S | 0..1 | (Complex) | A labeled hyperlink for user guidance URL: http://hl7.org/fhir/StructureDefinition/questionnaire-supportHyperlink
extension:sliderStepValue |  | 0..1 | integer | Increment value for slider URL: http://hl7.org/fhir/StructureDefinition/questionnaire-sliderStepValue
extension:entryFormat |  | 0..1 | string | User prompt for format URL: http://hl7.org/fhir/StructureDefinition/entryFormat
extension:usageMode |  | 0..1 | code | capture | display | display-non-empty | capture-display | capture-display-non-empty URL: http://hl7.org/fhir/StructureDefinition/questionnaire-usageMode Binding: QuestionnaireItemUsageMode (required): Identifies the modes of usage of a questionnaire that should enable a particular questionnaire item.
extension:itemSignatureRequired |  | 0..1 | CodeableConcept | Is signature needed? URL: http://hl7.org/fhir/StructureDefinition/questionnaire-signatureRequired Binding: SignatureTypeCodes (preferred): The type of signature needed.
extension:minOccurs |  | 0..1 | integer | Minimum repetitions URL: http://hl7.org/fhir/StructureDefinition/questionnaire-minOccurs
extension:maxOccurs |  | 0..1 | integer | Maximum repetitions URL: http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs
extension:minLength |  | 0..1 | integer | At least this many characters URL: http://hl7.org/fhir/StructureDefinition/minLength
extension:regex |  | 0..1 | string | Regular expression pattern URL: http://hl7.org/fhir/StructureDefinition/regex
extension:minValue |  | 0..1 | date, dateTime, time, decimal, integer, Quantity | Must be >= this value URL: http://hl7.org/fhir/StructureDefinition/minValue
extension:maxValue |  | 0..1 | date, dateTime, time, decimal, integer, Quantity | Must be <= this value URL: http://hl7.org/fhir/StructureDefinition/maxValue
extension:maxDecimalPlaces |  | 0..1 | integer, Quantity | Maximum digits after decimal URL: http://hl7.org/fhir/StructureDefinition/maxDecimalPlaces
extension:mimeType | S | 0..1 | code | Type of attachment URL: http://hl7.org/fhir/StructureDefinition/mimeType Binding: Mime Types (required): BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)
extension:maxSize |  | 0..1 | decimal | Max size in bytes URL: http://hl7.org/fhir/StructureDefinition/maxSize
extension:unitOption | S | 0..* | Coding | Unit choice URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption
extension:referenceResource | S | 0..* | code | Allowed resource for reference URL: http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
extension:referenceProfile | S | 0..* | canonical(StructureDefinition) | Allowed profile for reference URL: http://hl7.org/fhir/StructureDefinition/questionnaire-referenceProfile
extension:itemConstraint |  | 0..* | (Complex) | A constraint on the target resource URL: http://hl7.org/fhir/StructureDefinition/targetConstraint
extension:unit |  | 0..1 | Coding | Unit for numeric answer URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unit
extension:unitValueSet | S | 0..1 | canonical(ValueSet) | Unit choices URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet
extension:itemMedia |  | 0..1 | Attachment | Media to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemMedia
extension:shortText |  | 0..1 | string | Short text for the item. URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-shortText
extension:openLabel |  | 0..1 | string | Image to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-openLabel
extension:choiceColumn |  | 0..* | (Complex) | Guide for rendering multi-column choices URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-choiceColumn
extension:width |  | 0..1 | Quantity | Width of column for question URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-width
extension:collapsible |  | 0..1 | code | Indicates whether the child items of a group or question item is displayed in collapsible form. URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-collapsible Binding: Questionnaire Item Collapsible (required): Defines mechanism of displaying child items.
extension:minQuantity |  | 0..1 | Quantity | Must be >= this value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-minQuantity
extension:maxQuantity |  | 0..1 | Quantity | Must be <= this value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-maxQuantity
extension:lookupQuestionnaire | S | 0..1 | canonical(Questionnaire) | Questionnaire to populate a reference URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-lookupQuestionnaire
extension:candidateExpression | S | 0..1 | (Complex) | Expression for possible answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"
value[x] |  | 0..1 | Expression | Value of extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
extension:initialExpression | S | 0..1 | (Complex) | Expression-determined initial value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression"
value[x] |  | 0..1 | Expression | Value of extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
extension:calculatedExpression | S | 0..1 | (Complex) | Expression-determined initial value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression"
value[x] |  | 1..1 | Expression | Value of extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
extension:contextExpression | S | 0..* | (Complex) | Expression for information to guide answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression
Slices for extension |  | 2..* | Extension | Extension Slice: Unordered, Open by value:url
extension:label |  | 1..1 | Extension | Context label
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "label"
value[x] |  | 1..1 | string | Value of extension
extension:expression |  | 1..1 | Extension | Extension
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "expression"
value[x] |  | 1..1 | Expression | Value of extension
Slices for extension |  |  |  | Content/Rules for all slices
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression"
extension:enableWhenExpression | S | 0..1 | Expression | Expression for when to enable the item URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression
extension:answerOptionsToggleExpression |  | 0..1 | (Complex) | Expression constraining allowed answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
linkId | S C | 1..1 | string | Unique id for item in questionnaire Constraints: que-15
prefix | S | 0..1 | string | E.g. "1(a)", "2.5.3"
Slices for extension |  |  |  | Content/Rules for all slices
extension:itemPrefixRenderingStyle |  | 0..1 | string | Html style value URL: http://hl7.org/fhir/StructureDefinition/rendering-style
extension:itemPrefixRenderingXhtml |  | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
text |  | 1..1 | string | Primary text for the item
Slices for extension |  |  |  | Content/Rules for all slices
extension:itemTextRenderingStyle |  | 0..1 | string | Html style value URL: http://hl7.org/fhir/StructureDefinition/rendering-style
extension:itemTextRenderingXhtml | S | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
extension:itemTextCqfExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
type | S | 1..1 | code | group | display | boolean | decimal | integer | date | dateTime + Binding: QuestionnaireItemType (required): Distinguishes groups from questions and display text and indicates data type for questions.
enableWhen | ?!S C | 0..* | BackboneElement | Only allow data when Constraints: que-7
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
question |  | 1..1 | string | Question that determines whether item is enabled
operator |  | 1..1 | code | exists | = | != | > | < | >= | <= Binding: QuestionnaireItemOperator (required): The criteria by which a question is enabled.
answer[x] | C | 1..1 |  | Value for question comparison based on operator Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
answerBoolean |  |  | boolean |
answerDecimal |  |  | decimal |
answerInteger |  |  | integer |
answerDate |  |  | date |
answerDateTime |  |  | dateTime |
answerTime |  |  | time |
answerString |  |  | string |
answerCoding |  |  | Coding |
answerQuantity |  |  | Quantity |
answerReference |  |  | Reference(Resource) |
enableBehavior | S C | 0..1 | code | all | any Binding: EnableWhenBehavior (required): Controls how multiple enableWhen values are interpreted - whether all or any must be true.
required | S C | 0..1 | boolean | Whether the item must be included in data results
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:requiredExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
repeats | S C | 0..1 | boolean | Whether the item may repeat
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:repeatsExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
readOnly | S C | 0..1 | boolean | Don't allow human editing
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:readOnlyExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
answerValueSet | S C | 0..1 | canonical(SDC Value Set(4.0.0)) | Valueset containing permitted answers
value |  | 0..1 | string | Primitive value for canonical
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:answerValueSetExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
answerOption | S C | 0..* | BackboneElement | Permitted answer
Slices for extension |  |  |  | Content/Rules for all slices
extension:optionExclusive | S | 0..1 | boolean | Option is exclusive URL: http://hl7.org/fhir/StructureDefinition/questionnaire-optionExclusive
extension:ordinalValue |  | 0..1 | decimal | Assigned Ordinal Value URL: http://hl7.org/fhir/StructureDefinition/ordinalValue
extension:itemAnswerMedia |  | 0..1 | Attachment | Answer Media to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemAnswerMedia
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
Slices for value[x] | S | 1..1 |  | Answer value Slice: Unordered, Closed by type:$this Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
value[x]:All Slices |  |  |  | Content/Rules for all slices
value[x]All Types |  |  |  | Content/Rules for all Types
Slices for extension |  |  |  | Content/Rules for all slices
extension:answerOptionRenderingXhtml | S | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
valueInteger |  |  | integer |
valueDate |  |  | date |
valueTime |  |  | time |
valueString |  |  | string |
valueCoding |  |  | Coding |
valueReference |  |  | Reference(Resource) |
value[x]:valueCoding | S C | 0..1 | Coding | Answer value Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions. Constraints: sdc-base-1, sdc-base-2
value[x]:valueReference | S C | 0..1 | Reference(Resource) | Answer value Constraints: sdc-base-4
initial | S C | 0..* | BackboneElement | Initial value(s) when item is first rendered
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
value[x] | S | 1..1 |  | Actual value for initializing the question Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
valueBoolean |  |  | boolean |
valueDecimal |  |  | decimal |
valueInteger |  |  | integer |
valueDate |  |  | date |
valueDateTime |  |  | dateTime |
valueTime |  |  | time |
valueString |  |  | string |
valueUri |  |  | uri |
valueAttachment |  |  | Attachment |
valueCoding |  |  | Coding |
valueQuantity |  |  | Quantity |
valueReference |  |  | Reference(Resource) |
item | S C | 0..* | See item (Questionnaire) | Nested questionnaire items
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Questionnaire.status | Base | required | PublicationStatus | 📍4.0.1 | FHIR Std.
Questionnaire.subjectType | Base | required | ResourceType | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:candidateExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:initialExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:calculatedExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:contextExpression.​extension:expression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.type | Base | required | QuestionnaireItemType | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableWhen.​operator | Base | required | QuestionnaireItemOperator | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableWhen.​answer[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableBehavior | Base | required | EnableWhenBehavior | 📍4.0.1 | FHIR Std.
Questionnaire.item.answerOption.​value[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.answerOption.​value[x]:valueCoding | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.initial.​value[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
cnl-0 | warning | Questionnaire | Name should be usable as an identifier for the module by machine processing applications such as code generation | `name.exists() implies name.matches('^[A-Z]([A-Za-z0-9_]){1,254}$')`
cnl-1 | warning | Questionnaire.url | Warning Questionnaire.url URL should not contain | or # - these characters make processing canonical references problematic | `exists() implies matches('^[^|# ]+$')`
dom-2 | error | Questionnaire | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Questionnaire | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource | `contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()`
dom-4 | error | Questionnaire | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated | `contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()`
dom-5 | error | Questionnaire | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Questionnaire | A resource should have narrative for robust management | `text.`div`.exists()`
dtrq-2 | warning | Questionnaire.item | if item type is 'choice' or 'open-choice', then it should have either the answerOption, answerValueSet, or answerExpression extension | `(type='choice' or type='open-choice') implies answerOption.exists() or answerValueSet.exists() or extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').exists()`
dtrq-3 | warning | Questionnaire.item | if item type is Quantity, then it should have either the unitOption or unitValueSet extension | `(type='quantity') implies extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption').exists() or extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet').exists()`
dtrq-4 | error | Questionnaire.item | if item type is Reference, then it must have a referenceResource extension | `(type='reference') implies extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource').exists()`
dtrq-5 | warning | Questionnaire.item | if item type is Reference, then it should have a candidateExpression extension | `(type='reference') implies extension.where(url='http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression').exists()`
dtrq-6 | error | Questionnaire | If audience is 'clinical' or 'patient' then estimatedCompletionTime must contain clinicalTime. | `extension.exists(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/questionnaireAudience' and (value = 'clinical' or value = 'patient')) and extension.exists(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time') implies extension.where(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time').extension.where(url = 'clinicalTime').exists()`
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`
que-0 | warning | Questionnaire | Name should be usable as an identifier for the module by machine processing applications such as code generation | `name.matches('[A-Z]([A-Za-z0-9_]){0,254}')`
que-1 | error | Questionnaire.item | Group items must have nested items, display items cannot have nested items | `(type='group' implies item.empty().not()) and (type.trace('type')='display' implies item.trace('item').empty())`
que-2 | error | Questionnaire | The link ids for groups and questions must be unique within the questionnaire | `descendants().linkId.isDistinct()`
que-3 | error | Questionnaire.item | Display items cannot have a "code" asserted | `type!='display' or code.empty()`
que-4 | error | Questionnaire.item | A question cannot have both answerOption and answerValueSet | `answerOption.empty() or answerValueSet.empty()`
que-5 | error | Questionnaire.item | Only 'choice' and 'open-choice' items can have answerValueSet | `(type ='choice' or type = 'open-choice' or type = 'decimal' or type = 'integer' or type = 'date' or type = 'dateTime' or type = 'time' or type = 'string' or type = 'quantity') or (answerValueSet.empty() and answerOption.empty())`
que-6 | error | Questionnaire.item | Required and repeat aren't permitted for display items | `type!='display' or (required.empty() and repeats.empty())`
que-7 | error | Questionnaire.item.enableWhen | If the operator is 'exists', the value must be a boolean | `operator = 'exists' implies (answer is Boolean)`
que-8 | error | Questionnaire.item | Initial values can't be specified for groups or display items | `(type!='group' and type!='display') or initial.empty()`
que-9 | error | Questionnaire.item | Read-only can't be specified for "display" items | `type!='display' or readOnly.empty()`
que-10 | error | Questionnaire.item | Maximum length can only be declared for simple question types | `(type in ('boolean' | 'decimal' | 'integer' | 'string' | 'text' | 'url' | 'open-choice')) or maxLength.empty()`
que-11 | error | Questionnaire.item | If one or more answerOption is present, initial[x] must be missing | `answerOption.empty() or initial.empty()`
que-12 | error | Questionnaire.item | If there are more than one enableWhen, enableBehavior must be specified | `enableWhen.count() > 2 implies enableBehavior.exists()`
que-13 | error | Questionnaire.item | Can only have multiple initial values for repeating items | `repeats=true or initial.count() <= 1`
que-14 | warning | Questionnaire.item | Can only have answerConstraint if answerOption, answerValueSet, or answerExpression are present. (This is a warning because other extensions may serve the same purpose) | `extension('http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.answerConstraint').exists() implies answerOption.exists() or answerValueSet.exists() or extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').exists()`
que-15 | error | Questionnaire.item.linkId | Link ids must be 255 characters or less | `$this.length() <= 255`
que-1a | error | Questionnaire.item | Group items must have nested items when Questionanire is complete | `(type='group' and %resource.status='complete') implies item.empty().not()`
que-1b | warning | Questionnaire.item | Groups should have items | `type='group' implies item.empty().not()`
que-1c | error | Questionnaire.item | Display items cannot have child items | `type='display' implies item.empty()`
sdc-1 | error | Questionnaire.item | An item cannot have an answerExpression if answerOption or answerValueSet is already present. | `extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').empty().not() implies (answerOption.empty() and answerValueSet.empty())`
sdc-2 | error | Questionnaire | If version is present, versionAlgorithm must be present. | `version.exists() implies extension.where(url='http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm').exists()`
sdc-3 | best practice | Questionnaire | Semver is the preferred version algorithm - package machinery doesn't work well with artifacts using alternate versioning schemes | `extension.where(url='http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm').all(value.ofType(Coding).where(system='http://hl7.org/fhir/version-algorithm' and code='semver').exists())`
sdc-base-1 | error | Questionnaire.item.answerOption.value[x]:valueCoding | AnswerOption.valueCoding must have at least one of code or display | `code.exists() or display.exists()`
sdc-base-2 | error | Questionnaire.item.answerOption.value[x]:valueCoding | If code exists, system must exist | `code.exists() implies system.exists()`
sdc-base-4 | error | Questionnaire.item.answerOption.value[x]:valueReference | Reference must have at least one of reference, display, and identifier | `reference.exists() or display.exists() or identifier.exists()`

Differential View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Questionnaire |  | 0..* | DTRBaseQuestionnaire | A structured set of questions
item |  | 1..* | BackboneElement | Questions and sections within the Questionnaire
Slices for extension |  |  |  | Content/Rules for all slices
extension:enableWhenExpression | S | 0..1 | Expression | Expression for when to enable the item URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression
extension:answerOptionsToggleExpression |  | 0..1 | (Complex) | Expression constraining allowed answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression
text |  |  |  |
Slices for extension |  |  |  | Content/Rules for all slices
extension:itemTextCqfExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
enableWhen | S | 0..* | BackboneElement | Only allow data when
required |  |  |  |
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:requiredExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
repeats |  |  |  |
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:repeatsExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
readOnly |  |  |  |
value |  | 0..1 | boolean | Primitive value for boolean
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:readOnlyExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
answerValueSet |  |  |  |
value |  | 0..1 | string | Primitive value for canonical
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:answerValueSetExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
Documentation for this format

Snapshot ViewView

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Questionnaire | C | 0..* | DTRBaseQuestionnaire | A structured set of questions Constraints: que-0, que-2, cnl-0, sdc-2, sdc-3, dtrq-6
id | Σ | 0..1 | id | Logical id of this artifact
meta | Σ | 0..1 | Meta | Metadata about the resource
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
language |  | 0..1 | code | Language of the resource content Binding: CommonLanguages (preferred): A human language.
Additional Bindings | Purpose
AllLanguages | Max Binding
text |  | 0..1 | Narrative | Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
status |  | 1..1 | code | generated | extensions | additional | empty Binding: NarrativeStatus (required): The status of a resource narrative.
div | C | 1..1 | xhtml | Limited xhtml content Constraints: txt-1, txt-2
contained |  | 0..* | Resource | Contained, inline Resources
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:terminologyServer | S | 0..* | url | Preferred terminology server URL: http://hl7.org/fhir/StructureDefinition/preferredTerminologyServer
extension:versionAlgorithm | S | 0..1 | Coding | How to compare versions URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Binding: VersionAlgorithm (extensible)
extension:copyrightLabel |  | 0..1 | string | Copyright holder and year(s) URL: http://hl7.org/fhir/StructureDefinition/artifact-copyrightLabel
extension:designNote |  | 0..1 | markdown | Design comments URL: http://hl7.org/fhir/StructureDefinition/designNote
extension:performerType | S | 0..* | code | Resource that can record answers to this Questionnaire URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-performerType Binding: Questionnaire Performer Type (required): Resources that can record answers to a questionnaire.
extension:estimatedCompletionTime | S | 0..1 | (Complex) | Extension URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time
extension:audience | S | 0..* | code | Questionnaire Audience URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/questionnaireAudience Binding: Audience Value Set (required)
extension:RequestSpecific | S | 0..1 | boolean | Request Specific Flag URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/request-specific
extension:styleSensitive |  | 0..1 | (Complex) | Are styles important for processing? URL: http://hl7.org/fhir/StructureDefinition/rendering-styleSensitive
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/rendering-styleSensitive"
value[x] |  | 1..1 | boolean | Value of extension Required Pattern: false
extension:signatureRequired | S | 0..1 | CodeableConcept | There's a cost to support this. URL: http://hl7.org/fhir/StructureDefinition/questionnaire-signatureRequired Binding: SignatureTypeCodes (preferred): The type of signature needed.
extension:variable | S | 0..* | Expression | Variable for processing URL: http://hl7.org/fhir/StructureDefinition/variable
extension:constraint |  | 0..* | (Complex) | A constraint on the target resource URL: http://hl7.org/fhir/StructureDefinition/targetConstraint
extension:cqf-library | S | 0..* | (Complex) | The library can contain CQL, FHIRPath or x-fhir-query. The implementers must handle any of the above. URL: http://hl7.org/fhir/StructureDefinition/cqf-library
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/cqf-library"
value[x] |  | 1..1 | canonical(SDC Library(4.0.0)) | Value of extension
extension:launchContext | S | 0..* | (Complex) | Context resources needed for Questionnaire URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-launchContext
extension:itemPopulationContext | S | 0..1 | Expression | Establishes mapping context for a Questionnaire item URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemPopulationContext
extension:entryMode | S | 0..1 | code | sequential | prior-edit | random URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-entryMode Binding: Questionnaire Entry Mode (required): Entry modes when completing a questionnaire
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
url | S Σ C | 1..1 | uri | Canonical identifier for this questionnaire, represented as a URI (globally unique) Constraints: cnl-1
identifier | Σ | 0..* | Identifier | Additional identifier for the questionnaire
version | S Σ | 0..1 | string | Business version of the questionnaire
name | Σ C | 0..1 | string | Name for this questionnaire (computer friendly)
title | S Σ | 0..1 | string | Name for this questionnaire (human friendly)
derivedFrom |  | 0..* | canonical(Questionnaire) | Instantiates protocol or definition
status | ?!S Σ | 1..1 | code | draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
experimental | Σ | 0..1 | boolean | For testing purposes, not real usage
subjectType | S Σ | 1..1 | code | Resource that can be subject of QuestionnaireResponse Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR. Required Pattern: Patient
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:subjectType |  | 0..* | code | R5: subjectType additional codes URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.subjectType Binding: R5ResourceTypesForR4 (0.1.0) (required): One of the resource types defined as part of this version of FHIR. Constraints: ext-1
value |  | 0..1 | string | Primitive value for code
date | Σ | 0..1 | dateTime | Date last changed
publisher | Σ | 0..1 | string | Name of the publisher (organization or individual)
contact | Σ | 0..* | ContactDetail | Contact details for the publisher
description |  | 0..1 | markdown | Natural language description of the questionnaire
useContext | Σ | 0..* | UsageContext | The context that the content is intended to support
jurisdiction | Σ | 0..* | CodeableConcept | Intended jurisdiction for questionnaire (if applicable) Binding: Jurisdiction ValueSet (extensible): Countries and regions within which this artifact is targeted for use.
purpose |  | 0..1 | markdown | Why this questionnaire is defined
copyright |  | 0..1 | markdown | Use and/or publishing restrictions
approvalDate |  | 0..1 | date | When the questionnaire was approved by publisher
lastReviewDate |  | 0..1 | date | When the questionnaire was last reviewed
effectivePeriod | S Σ | 0..1 | Period | When the questionnaire is expected to be used
code | Σ | 0..* | Coding | Concept that represents the overall questionnaire Binding: QuestionnaireQuestionCodes (example): Codes for questionnaires, groups and individual questions.
item | S C | 1..* | BackboneElement | Questions and sections within the Questionnaire Constraints: que-1, que-3, que-4, que-5, que-6, que-8, que-9, que-10, que-11, que-12, que-13, sdc-1, que-1a, que-1b, que-1c, que-14, dtrq-2, dtrq-3, dtrq-4, dtrq-5
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:hidden | S | 0..1 | boolean | Don't display to user URL: http://hl7.org/fhir/StructureDefinition/questionnaire-hidden
extension:terminologyServer |  | 0..* | url | Preferred terminology server URL: http://hl7.org/fhir/StructureDefinition/preferredTerminologyServer
extension:disabledDisplay |  | 0..1 | code | R5: hidden | protected (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.disabledDisplay Binding: R5QuestionnaireDisabledDisplayForR4 (0.1.0) (required): Defines how disabled elements should be rendered Constraints: ext-1
extension:answerConstraint |  | 0..1 | code | R5: optionsOnly | optionsOrType | optionsOrString (new) URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.answerConstraint Binding: R5QuestionnaireAnswerConstraintForR4 (0.1.0) (required): Indicates differnt modes for restricting values when options or valueset are specified Constraints: ext-1
extension:designNote |  | 0..1 | markdown | Design comments URL: http://hl7.org/fhir/StructureDefinition/designNote
extension:itemControl | S | 0..1 | CodeableConcept | E.g. Fly-over, Table, Checkbox, Combo-box, Lookup, etc. URL: http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl Binding: QuestionnaireItemUIControlCodes (extensible): User interface controls or widgets used for questionnaire items.
extension:choiceOrientation |  | 0..1 | code | horizontal | vertical URL: http://hl7.org/fhir/StructureDefinition/questionnaire-choiceOrientation Binding: ChoiceListOrientation (required): Direction in which lists of possible answers should be displayed.
extension:displayCategory |  | 0..1 | CodeableConcept | Purpose of rendered text URL: http://hl7.org/fhir/StructureDefinition/questionnaire-displayCategory Binding: QuestionnaireDisplayCategories (extensible): Identifies the purpose for a "display" item.
extension:supportHyperlink | S | 0..1 | (Complex) | A labeled hyperlink for user guidance URL: http://hl7.org/fhir/StructureDefinition/questionnaire-supportHyperlink
extension:sliderStepValue |  | 0..1 | integer | Increment value for slider URL: http://hl7.org/fhir/StructureDefinition/questionnaire-sliderStepValue
extension:entryFormat |  | 0..1 | string | User prompt for format URL: http://hl7.org/fhir/StructureDefinition/entryFormat
extension:usageMode |  | 0..1 | code | capture | display | display-non-empty | capture-display | capture-display-non-empty URL: http://hl7.org/fhir/StructureDefinition/questionnaire-usageMode Binding: QuestionnaireItemUsageMode (required): Identifies the modes of usage of a questionnaire that should enable a particular questionnaire item.
extension:itemSignatureRequired |  | 0..1 | CodeableConcept | Is signature needed? URL: http://hl7.org/fhir/StructureDefinition/questionnaire-signatureRequired Binding: SignatureTypeCodes (preferred): The type of signature needed.
extension:minOccurs |  | 0..1 | integer | Minimum repetitions URL: http://hl7.org/fhir/StructureDefinition/questionnaire-minOccurs
extension:maxOccurs |  | 0..1 | integer | Maximum repetitions URL: http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs
extension:minLength |  | 0..1 | integer | At least this many characters URL: http://hl7.org/fhir/StructureDefinition/minLength
extension:regex |  | 0..1 | string | Regular expression pattern URL: http://hl7.org/fhir/StructureDefinition/regex
extension:minValue |  | 0..1 | date, dateTime, time, decimal, integer, Quantity | Must be >= this value URL: http://hl7.org/fhir/StructureDefinition/minValue
extension:maxValue |  | 0..1 | date, dateTime, time, decimal, integer, Quantity | Must be <= this value URL: http://hl7.org/fhir/StructureDefinition/maxValue
extension:maxDecimalPlaces |  | 0..1 | integer, Quantity | Maximum digits after decimal URL: http://hl7.org/fhir/StructureDefinition/maxDecimalPlaces
extension:mimeType | S | 0..1 | code | Type of attachment URL: http://hl7.org/fhir/StructureDefinition/mimeType Binding: Mime Types (required): BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)
extension:maxSize |  | 0..1 | decimal | Max size in bytes URL: http://hl7.org/fhir/StructureDefinition/maxSize
extension:unitOption | S | 0..* | Coding | Unit choice URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption
extension:referenceResource | S | 0..* | code | Allowed resource for reference URL: http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.
extension:referenceProfile | S | 0..* | canonical(StructureDefinition) | Allowed profile for reference URL: http://hl7.org/fhir/StructureDefinition/questionnaire-referenceProfile
extension:itemConstraint |  | 0..* | (Complex) | A constraint on the target resource URL: http://hl7.org/fhir/StructureDefinition/targetConstraint
extension:unit |  | 0..1 | Coding | Unit for numeric answer URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unit
extension:unitValueSet | S | 0..1 | canonical(ValueSet) | Unit choices URL: http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet
extension:itemMedia |  | 0..1 | Attachment | Media to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemMedia
extension:shortText |  | 0..1 | string | Short text for the item. URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-shortText
extension:openLabel |  | 0..1 | string | Image to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-openLabel
extension:choiceColumn |  | 0..* | (Complex) | Guide for rendering multi-column choices URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-choiceColumn
extension:width |  | 0..1 | Quantity | Width of column for question URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-width
extension:collapsible |  | 0..1 | code | Indicates whether the child items of a group or question item is displayed in collapsible form. URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-collapsible Binding: Questionnaire Item Collapsible (required): Defines mechanism of displaying child items.
extension:minQuantity |  | 0..1 | Quantity | Must be >= this value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-minQuantity
extension:maxQuantity |  | 0..1 | Quantity | Must be <= this value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-maxQuantity
extension:lookupQuestionnaire | S | 0..1 | canonical(Questionnaire) | Questionnaire to populate a reference URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-lookupQuestionnaire
extension:candidateExpression | S | 0..1 | (Complex) | Expression for possible answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression"
value[x] |  | 0..1 | Expression | Value of extension
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
description | Σ | 0..1 | string | Natural language description of the condition
name | Σ | 0..1 | id | Short name assigned to expression for reuse
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
expression | Σ | 0..1 | string | Expression in specified language
reference | Σ | 0..1 | uri | Where the expression is found
extension:initialExpression | S | 0..1 | (Complex) | Expression-determined initial value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression"
value[x] |  | 0..1 | Expression | Value of extension
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
description | Σ | 0..1 | string | Natural language description of the condition
name | Σ | 0..1 | id | Short name assigned to expression for reuse
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
expression | Σ | 0..1 | string | Expression in specified language
reference | Σ | 0..1 | uri | Where the expression is found
extension:calculatedExpression | S | 0..1 | (Complex) | Expression-determined initial value URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-calculatedExpression"
value[x] |  | 1..1 | Expression | Value of extension
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
description | Σ | 0..1 | string | Natural language description of the condition
name | Σ | 0..1 | id | Short name assigned to expression for reuse
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
expression | Σ | 0..1 | string | Expression in specified language
reference | Σ | 0..1 | uri | Where the expression is found
extension:contextExpression | S | 0..* | (Complex) | Expression for information to guide answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 2..* | Extension | Extension Slice: Unordered, Open by value:url
extension:label |  | 1..1 | Extension | Context label
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "label"
value[x] |  | 1..1 | string | Value of extension
extension:expression |  | 1..1 | Extension | Extension
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "expression"
value[x] |  | 1..1 | Expression | Value of extension
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:alternativeExpression | S | 0..1 | Expression | Alternative Expression URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression
description | Σ | 0..1 | string | Natural language description of the condition
name | Σ | 0..1 | id | Short name assigned to expression for reuse
language | Σ | 1..1 | code | text/cql | text/fhirpath | application/x-fhir-query | etc. Binding: ExpressionLanguage (extensible): The media type of the expression language.
Additional Bindings | Purpose
http://www.rfc-editor.org/bcp/bcp13.txt | Max Binding
expression | Σ | 0..1 | string | Expression in specified language
reference | Σ | 0..1 | uri | Where the expression is found
url |  | 1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression"
extension:enableWhenExpression | S | 0..1 | Expression | Expression for when to enable the item URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression
extension:answerOptionsToggleExpression |  | 0..1 | (Complex) | Expression constraining allowed answers URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
linkId | S C | 1..1 | string | Unique id for item in questionnaire Constraints: que-15
definition |  | 0..1 | uri | ElementDefinition - details for the item
code | C | 0..* | Coding | Corresponding concept for this item in a terminology Binding: QuestionnaireQuestionCodes (example): Codes for questionnaires, groups and individual questions.
prefix | S | 0..1 | string | E.g. "1(a)", "2.5.3"
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:itemPrefixRenderingStyle |  | 0..1 | string | Html style value URL: http://hl7.org/fhir/StructureDefinition/rendering-style
extension:itemPrefixRenderingXhtml |  | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
value |  | 0..1 | string | Primitive value for string Max Length:1048576
text |  | 1..1 | string | Primary text for the item
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:itemTextRenderingStyle |  | 0..1 | string | Html style value URL: http://hl7.org/fhir/StructureDefinition/rendering-style
extension:itemTextRenderingXhtml | S | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
extension:itemTextCqfExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
value |  | 0..1 | string | Primitive value for string Max Length:1048576
type | S | 1..1 | code | group | display | boolean | decimal | integer | date | dateTime + Binding: QuestionnaireItemType (required): Distinguishes groups from questions and display text and indicates data type for questions.
enableWhen | ?!S C | 0..* | BackboneElement | Only allow data when Constraints: que-7
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
question |  | 1..1 | string | Question that determines whether item is enabled
operator |  | 1..1 | code | exists | = | != | > | < | >= | <= Binding: QuestionnaireItemOperator (required): The criteria by which a question is enabled.
answer[x] | C | 1..1 |  | Value for question comparison based on operator Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
answerBoolean |  |  | boolean |
answerDecimal |  |  | decimal |
answerInteger |  |  | integer |
answerDate |  |  | date |
answerDateTime |  |  | dateTime |
answerTime |  |  | time |
answerString |  |  | string |
answerCoding |  |  | Coding |
answerQuantity |  |  | Quantity |
answerReference |  |  | Reference(Resource) |
enableBehavior | S C | 0..1 | code | all | any Binding: EnableWhenBehavior (required): Controls how multiple enableWhen values are interpreted - whether all or any must be true.
required | S C | 0..1 | boolean | Whether the item must be included in data results
id |  | 0..1 | string | xml:id (or equivalent in JSON)
extension |  | 0..* | Extension | Additional content defined by implementations
value |  | 0..1 | boolean | Primitive value for boolean
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:requiredExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
value |  | 0..1 | boolean | Primitive value for boolean
repeats | S C | 0..1 | boolean | Whether the item may repeat
id |  | 0..1 | string | xml:id (or equivalent in JSON)
extension |  | 0..* | Extension | Additional content defined by implementations
value |  | 0..1 | boolean | Primitive value for boolean
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:repeatsExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
value |  | 0..1 | boolean | Primitive value for boolean
readOnly | S C | 0..1 | boolean | Don't allow human editing
id |  | 0..1 | string | xml:id (or equivalent in JSON)
extension |  | 0..* | Extension | Additional content defined by implementations
value |  | 0..1 | boolean | Primitive value for boolean
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:readOnlyExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
value |  | 0..1 | boolean | Primitive value for boolean
maxLength | C | 0..1 | integer | No more than this many characters
answerValueSet | S C | 0..1 | canonical(SDC Value Set(4.0.0)) | Valueset containing permitted answers
id |  | 0..1 | string | xml:id (or equivalent in JSON)
extension |  | 0..* | Extension | Additional content defined by implementations
value |  | 0..1 | string | Primitive value for canonical
id |  | 0..1 | string | xml:id (or equivalent in JSON)
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:answerValueSetExpression |  | 0..1 | Expression | An dynamic expression URL: http://hl7.org/fhir/StructureDefinition/cqf-expression
value |  | 0..1 | string | Primitive value for string Max Length:1048576
answerOption | S C | 0..* | BackboneElement | Permitted answer
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Extension Slice: Unordered, Open by value:url
extension:optionExclusive | S | 0..1 | boolean | Option is exclusive URL: http://hl7.org/fhir/StructureDefinition/questionnaire-optionExclusive
extension:ordinalValue |  | 0..1 | decimal | Assigned Ordinal Value URL: http://hl7.org/fhir/StructureDefinition/ordinalValue
extension:itemAnswerMedia |  | 0..1 | Attachment | Answer Media to display URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemAnswerMedia
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
Slices for value[x] | S | 1..1 |  | Answer value Slice: Unordered, Closed by type:$this Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
value[x]:All Slices |  |  |  | Content/Rules for all slices
value[x]All Types |  |  |  | Content/Rules for all Types
id |  | 0..1 | string | Unique id for inter-element referencing
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
extension:answerOptionRenderingXhtml | S | 0..1 | string | String equivalent with html markup URL: http://hl7.org/fhir/StructureDefinition/rendering-xhtml
valueInteger |  |  | integer |
valueDate |  |  | date |
valueTime |  |  | time |
valueString |  |  | string |
valueCoding |  |  | Coding |
valueReference |  |  | Reference(Resource) |
value[x]:valueCoding | S C | 0..1 | Coding | Answer value Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions. Constraints: sdc-base-1, sdc-base-2
value[x]:valueReference | S C | 0..1 | Reference(Resource) | Answer value Constraints: sdc-base-4
initialSelected |  | 0..1 | boolean | Whether option is selected by default
initial | S C | 0..* | BackboneElement | Initial value(s) when item is first rendered
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
value[x] | S | 1..1 |  | Actual value for initializing the question Binding: QuestionnaireAnswerCodes (example): Allowed values to answer questions.
valueBoolean |  |  | boolean |
valueDecimal |  |  | decimal |
valueInteger |  |  | integer |
valueDate |  |  | date |
valueDateTime |  |  | dateTime |
valueTime |  |  | time |
valueString |  |  | string |
valueUri |  |  | uri |
valueAttachment |  |  | Attachment |
valueCoding |  |  | Coding |
valueQuantity |  |  | Quantity |
valueReference |  |  | Reference(Resource) |
item | S C | 0..* | See item (Questionnaire) | Nested questionnaire items
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Questionnaire.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
Questionnaire.text.status | Base | required | NarrativeStatus | 📍4.0.1 | FHIR Std.
Questionnaire.status | Base | required | PublicationStatus | 📍4.0.1 | FHIR Std.
Questionnaire.subjectType | Base | required | ResourceType | 📍4.0.1 | FHIR Std.
Questionnaire.jurisdiction | Base | extensible | Jurisdiction | 📍4.0.1 | FHIR Std.
Questionnaire.code | Base | example | Questionnaire Question Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:candidateExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:initialExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:calculatedExpression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.extension:contextExpression.​extension:expression.​value[x].language | Base | extensible | ExpressionLanguage | 📍4.0.1 | FHIR Std.
Questionnaire.item.code | Base | example | Questionnaire Question Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.type | Base | required | QuestionnaireItemType | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableWhen.​operator | Base | required | QuestionnaireItemOperator | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableWhen.​answer[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.enableBehavior | Base | required | EnableWhenBehavior | 📍4.0.1 | FHIR Std.
Questionnaire.item.answerOption.​value[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.answerOption.​value[x]:valueCoding | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.
Questionnaire.item.initial.​value[x] | Base | example | Questionnaire Answer Codes | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
cnl-0 | warning | Questionnaire | Name should be usable as an identifier for the module by machine processing applications such as code generation | `name.exists() implies name.matches('^[A-Z]([A-Za-z0-9_]){1,254}$')`
cnl-1 | warning | Questionnaire.url | Warning Questionnaire.url URL should not contain | or # - these characters make processing canonical references problematic | `exists() implies matches('^[^|# ]+$')`
dom-2 | error | Questionnaire | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Questionnaire | If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource | `contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()`
dom-4 | error | Questionnaire | If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated | `contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()`
dom-5 | error | Questionnaire | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Questionnaire | A resource should have narrative for robust management | `text.`div`.exists()`
dtrq-2 | warning | Questionnaire.item | if item type is 'choice' or 'open-choice', then it should have either the answerOption, answerValueSet, or answerExpression extension | `(type='choice' or type='open-choice') implies answerOption.exists() or answerValueSet.exists() or extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').exists()`
dtrq-3 | warning | Questionnaire.item | if item type is Quantity, then it should have either the unitOption or unitValueSet extension | `(type='quantity') implies extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-unitOption').exists() or extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-unitValueSet').exists()`
dtrq-4 | error | Questionnaire.item | if item type is Reference, then it must have a referenceResource extension | `(type='reference') implies extension.where(url='http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource').exists()`
dtrq-5 | warning | Questionnaire.item | if item type is Reference, then it should have a candidateExpression extension | `(type='reference') implies extension.where(url='http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression').exists()`
dtrq-6 | error | Questionnaire | If audience is 'clinical' or 'patient' then estimatedCompletionTime must contain clinicalTime. | `extension.exists(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/questionnaireAudience' and (value = 'clinical' or value = 'patient')) and extension.exists(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time') implies extension.where(url = 'http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/estimated-completion-time').extension.where(url = 'clinicalTime').exists()`
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`
que-0 | warning | Questionnaire | Name should be usable as an identifier for the module by machine processing applications such as code generation | `name.matches('[A-Z]([A-Za-z0-9_]){0,254}')`
que-1 | error | Questionnaire.item | Group items must have nested items, display items cannot have nested items | `(type='group' implies item.empty().not()) and (type.trace('type')='display' implies item.trace('item').empty())`
que-2 | error | Questionnaire | The link ids for groups and questions must be unique within the questionnaire | `descendants().linkId.isDistinct()`
que-3 | error | Questionnaire.item | Display items cannot have a "code" asserted | `type!='display' or code.empty()`
que-4 | error | Questionnaire.item | A question cannot have both answerOption and answerValueSet | `answerOption.empty() or answerValueSet.empty()`
que-5 | error | Questionnaire.item | Only 'choice' and 'open-choice' items can have answerValueSet | `(type ='choice' or type = 'open-choice' or type = 'decimal' or type = 'integer' or type = 'date' or type = 'dateTime' or type = 'time' or type = 'string' or type = 'quantity') or (answerValueSet.empty() and answerOption.empty())`
que-6 | error | Questionnaire.item | Required and repeat aren't permitted for display items | `type!='display' or (required.empty() and repeats.empty())`
que-7 | error | Questionnaire.item.enableWhen | If the operator is 'exists', the value must be a boolean | `operator = 'exists' implies (answer is Boolean)`
que-8 | error | Questionnaire.item | Initial values can't be specified for groups or display items | `(type!='group' and type!='display') or initial.empty()`
que-9 | error | Questionnaire.item | Read-only can't be specified for "display" items | `type!='display' or readOnly.empty()`
que-10 | error | Questionnaire.item | Maximum length can only be declared for simple question types | `(type in ('boolean' | 'decimal' | 'integer' | 'string' | 'text' | 'url' | 'open-choice')) or maxLength.empty()`
que-11 | error | Questionnaire.item | If one or more answerOption is present, initial[x] must be missing | `answerOption.empty() or initial.empty()`
que-12 | error | Questionnaire.item | If there are more than one enableWhen, enableBehavior must be specified | `enableWhen.count() > 2 implies enableBehavior.exists()`
que-13 | error | Questionnaire.item | Can only have multiple initial values for repeating items | `repeats=true or initial.count() <= 1`
que-14 | warning | Questionnaire.item | Can only have answerConstraint if answerOption, answerValueSet, or answerExpression are present. (This is a warning because other extensions may serve the same purpose) | `extension('http://hl7.org/fhir/5.0/StructureDefinition/extension-Questionnaire.item.answerConstraint').exists() implies answerOption.exists() or answerValueSet.exists() or extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').exists()`
que-15 | error | Questionnaire.item.linkId | Link ids must be 255 characters or less | `$this.length() <= 255`
que-1a | error | Questionnaire.item | Group items must have nested items when Questionanire is complete | `(type='group' and %resource.status='complete') implies item.empty().not()`
que-1b | warning | Questionnaire.item | Groups should have items | `type='group' implies item.empty().not()`
que-1c | error | Questionnaire.item | Display items cannot have child items | `type='display' implies item.empty()`
sdc-1 | error | Questionnaire.item | An item cannot have an answerExpression if answerOption or answerValueSet is already present. | `extension('http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerExpression').empty().not() implies (answerOption.empty() and answerValueSet.empty())`
sdc-2 | error | Questionnaire | If version is present, versionAlgorithm must be present. | `version.exists() implies extension.where(url='http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm').exists()`
sdc-3 | best practice | Questionnaire | Semver is the preferred version algorithm - package machinery doesn't work well with artifacts using alternate versioning schemes | `extension.where(url='http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm').all(value.ofType(Coding).where(system='http://hl7.org/fhir/version-algorithm' and code='semver').exists())`
sdc-base-1 | error | Questionnaire.item.answerOption.value[x]:valueCoding | AnswerOption.valueCoding must have at least one of code or display | `code.exists() or display.exists()`
sdc-base-2 | error | Questionnaire.item.answerOption.value[x]:valueCoding | If code exists, system must exist | `code.exists() implies system.exists()`
sdc-base-4 | error | Questionnaire.item.answerOption.value[x]:valueReference | Reference must have at least one of reference, display, and identifier | `reference.exists() or display.exists() or identifier.exists()`
txt-1 | error | Questionnaire.text.div | The narrative SHALL contain only the basic html formatting elements and attributes described in chapters 7-11 (except section 4 of chapter 9) and 15 of the HTML 4.0 standard, <a> elements (either name or href), images and internally contained style attributes | `htmlChecks()`
txt-2 | error | Questionnaire.text.div | The narrative SHALL have some non-whitespace content | `htmlChecks()`

Summary

Mandatory: 1 element
Must-Support: 2 elements

Extensions

This structure refers to these extensions:

- http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-enableWhenExpression|4.0.0
- http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-answerOptionsToggleExpression|4.0.0
- http://hl7.org/fhir/StructureDefinition/cqf-expression|5.3.0-ballot-tc1

Maturity: 2

Other representations of profile: CSV, Excel, Schematron