Your User Friendly Name for MyIG Here
0.2.0 - CI Build

Your User Friendly Name for MyIG Here, published by HL7 International - [Some] Work Group. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/costateixeira/sample-ig/ and changes regularly. See the Directory of published versions

## Resource Profile: My Observation Profile ( Experimental )

Official URL: http://somewhere.org/fhir/uv/myig/StructureDefinition/myObservation | Version: 0.2.0
Standards status: Informative | Computable Name: MyObservation
Other Identifiers: Some OID: 0.1.2.3.1, foo, ACSN, 123, 0.1.2.3.5
Keywords: keyword 1, keyword 2
Usage:Gender: Female, Age Range: 2 months, Age Range: 3 mo, Age Range: 4, Age Range: ? to 1 months, Age Range: 2 to 5 years, Age Range: 10 years to ?, Some location, Some other location, http://example.org/Location/456, Clinical Venue: LOCATION-ABC
Copyright/Legal: Explain licensing or other legal limitations on use

A profile showing the use of XML to author profiles

Explain why this resource is necessary here

Usages:

- Examples for this Profile: Observation/example

You can also check for usages in the FHIR IG Statistics

### Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

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

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation | C | 0..* | Observation | Measurements and simple assertions Constraints: obs-6, obs-7
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
basedOn | S Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order
partOf | S Σ | 0..* | Reference(Procedure S | Immunization) | Part of referenced event
status | ?!Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
code | Σ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: ValueSet fake (required) Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 85354-9
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
subject | S Σ | 0..1 | Reference(Patient S) | Who and/or what the observation is about
focus | S Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record
value[x] | S Σ C | 0..1 |  | Actual result
valueQuantity |  |  | Quantity S |
valueCodeableConcept |  |  | CodeableConcept |
Slices for component | Σ | 2..* | BackboneElement | Component results Slice: Unordered, Open by pattern:code
component:All Slices |  |  |  | Content/Rules for all slices
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
component:Systolic | Σ | 1..1 | BackboneElement | Component results
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
code | Σ | 1..1 | CodeableConcept | Systolic pressure Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8480-6
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
value[x] | Σ | 0..1 | Quantity | Actual component result
value | S Σ | 1..1 | decimal | Numerical value (with implicit precision)
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
system | S Σ C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S Σ | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
component:Diastolic | Σ | 1..1 | BackboneElement | Component results
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8462-4
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
value[x] | Σ | 0..1 | Quantity | Actual component result
value | S Σ | 1..1 | decimal | Numerical value (with implicit precision)
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
system | S Σ C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S Σ | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std.
Observation.code | Base | required | ValueSet fake | 📦0.2.0 | This IG
Observation.component.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​value[x].comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​value[x].comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Observation | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Observation | 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 | Observation | 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 | Observation | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Observation | A resource should have narrative for robust management | `text.`div`.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()`
obs-6 | error | Observation | dataAbsentReason SHALL only be present if Observation.value[x] is not present | `dataAbsentReason.empty() or value.empty()`
obs-7 | error | Observation | If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present | `value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()`

This structure is derived from Observation

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation |  | 0..* | Observation | Measurements and simple assertions
basedOn | S | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order
partOf | S | 0..* | Reference(Procedure S | Immunization) | Part of referenced event
code |  | 1..1 | CodeableConcept | Type of observation (code / type) Binding: ValueSet fake (required) Required Pattern: At least the following
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 85354-9
subject | S | 0..1 | Reference(Patient S) | Who and/or what the observation is about
focus | S | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record
value[x] | S | 0..1 |  | Actual result
valueQuantity |  |  | Quantity S |
valueCodeableConcept |  |  | CodeableConcept |
Slices for component |  | 2..* | BackboneElement | Component results Slice: Unordered, Open by pattern:code
component:Systolic |  | 1..1 | BackboneElement | Component results
code |  | 1..1 | CodeableConcept | Systolic pressure Required Pattern: At least the following
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8480-6
valueQuantity |  | 0..1 | Quantity | Actual component result
value | S | 1..1 | decimal | Numerical value (with implicit precision)
system | S | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
component:Diastolic |  | 1..1 | BackboneElement | Component results
code |  | 1..1 | CodeableConcept | Type of component observation (code / type) Required Pattern: At least the following
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8462-4
valueQuantity |  | 0..1 | Quantity | Actual component result
value | S | 1..1 | decimal | Numerical value (with implicit precision)
system | S | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
Observation.code | Base | required | ValueSet fake | 📦0.2.0 | This IG

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation | C | 0..* | Observation | Measurements and simple assertions Constraints: obs-6, obs-7
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
contained |  | 0..* | Resource | Contained, inline Resources
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
identifier | Σ | 0..* | Identifier | Business Identifier for observation
basedOn | S Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order
partOf | S Σ | 0..* | Reference(Procedure S | Immunization) | Part of referenced event
status | ?!Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
category |  | 0..* | CodeableConcept | Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code | Σ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: ValueSet fake (required) Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 85354-9
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
subject | S Σ | 0..1 | Reference(Patient S) | Who and/or what the observation is about
focus | S Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record
encounter | Σ | 0..1 | Reference(Encounter) | Healthcare event during which this observation is made
effective[x] | Σ | 0..1 |  | Clinically relevant time/time-period for observation
effectiveDateTime |  |  | dateTime |
effectivePeriod |  |  | Period |
effectiveTiming |  |  | Timing |
effectiveInstant |  |  | instant |
issued | Σ | 0..1 | instant | Date/Time this version was made available
performer | Σ | 0..* | Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) | Who is responsible for the observation
value[x] | S Σ C | 0..1 |  | Actual result
valueQuantity |  |  | Quantity S |
valueCodeableConcept |  |  | CodeableConcept |
dataAbsentReason | C | 0..1 | CodeableConcept | Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
note |  | 0..* | Annotation | Comments about the observation
bodySite |  | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
method |  | 0..1 | CodeableConcept | How it was done Binding: ObservationMethods (example): Methods for simple observations.
specimen |  | 0..1 | Reference(Specimen) | Specimen used for this observation
device |  | 0..1 | Reference(Device | DeviceMetric) | (Measurement) Device
referenceRange | C | 0..* | BackboneElement | Provides guide for interpretation Constraints: obs-3
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
low | C | 0..1 | SimpleQuantity(4.0.1) | Low Range, if relevant
high | C | 0..1 | SimpleQuantity(4.0.1) | High Range, if relevant
type |  | 0..1 | CodeableConcept | Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
appliesTo |  | 0..* | CodeableConcept | Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
age |  | 0..1 | Range | Applicable age range, if relevant
text |  | 0..1 | string | Text based reference range in an observation
hasMember | Σ | 0..* | Reference(Observation | QuestionnaireResponse | MolecularSequence) | Related resource that belongs to the Observation group
derivedFrom | Σ | 0..* | Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) | Related measurements the observation is made from
Slices for component | Σ | 2..* | BackboneElement | Component results Slice: Unordered, Open by pattern:code
component:All Slices |  |  |  | Content/Rules for all slices
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
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x] | Σ | 0..1 |  | Actual component result
valueQuantity |  |  | Quantity |
valueCodeableConcept |  |  | CodeableConcept |
valueString |  |  | string |
valueBoolean |  |  | boolean |
valueInteger |  |  | integer |
valueRange |  |  | Range |
valueRatio |  |  | Ratio |
valueSampledData |  |  | SampledData |
valueTime |  |  | time |
valueDateTime |  |  | dateTime |
valuePeriod |  |  | Period |
dataAbsentReason | C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange |  | 0..* | See referenceRange (Observation) | Provides guide for interpretation of component result
component:Systolic | Σ | 1..1 | BackboneElement | Component results
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
code | Σ | 1..1 | CodeableConcept | Systolic pressure Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8480-6
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
value[x] | Σ | 0..1 | Quantity | Actual component result
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
value | S Σ | 1..1 | decimal | Numerical value (with implicit precision)
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit | Σ | 0..1 | string | Unit representation
system | S Σ C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S Σ | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
dataAbsentReason | C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange |  | 0..* | See referenceRange (Observation) | Provides guide for interpretation of component result
component:Diastolic | Σ | 1..1 | BackboneElement | Component results
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
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8462-4
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
value[x] | Σ | 0..1 | Quantity | Actual component result
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
value | S Σ | 1..1 | decimal | Numerical value (with implicit precision)
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit | Σ | 0..1 | string | Unit representation
system | S Σ C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S Σ | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
dataAbsentReason | C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange |  | 0..* | See referenceRange (Observation) | Provides guide for interpretation of component result
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Observation.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std.
Observation.category | Base | preferred | Observation Category Codes | 📍4.0.1 | FHIR Std.
Observation.code | Base | required | ValueSet fake | 📦0.2.0 | This IG
Observation.dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std.
Observation.interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std.
Observation.bodySite | Base | example | SNOMED CT Body Structures | 📍4.0.1 | FHIR Std.
Observation.method | Base | example | Observation Methods | 📍4.0.1 | FHIR Std.
Observation.referenceRange.​type | Base | preferred | Observation Reference Range Meaning Codes | 📍4.0.1 | FHIR Std.
Observation.referenceRange.​appliesTo | Base | example | Observation Reference Range Applies To Codes | 📍4.0.1 | FHIR Std.
Observation.component.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component.​dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std.
Observation.component.​interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​value[x].comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​value[x].comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Observation | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Observation | 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 | Observation | 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 | Observation | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Observation | A resource should have narrative for robust management | `text.`div`.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()`
obs-3 | error | Observation.referenceRange | Must have at least a low or a high or text | `low.exists() or high.exists() or text.exists()`
obs-6 | error | Observation | dataAbsentReason SHALL only be present if Observation.value[x] is not present | `dataAbsentReason.empty() or value.empty()`
obs-7 | error | Observation | If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present | `value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()`

This structure is derived from Observation

Summary

Mandatory: 2 elements(6 nested mandatory elements)
Must-Support: 11 elements
Fixed: 4 elements

Slices

This structure defines the following Slices:

- The element 1 is sliced based on the value of Observation.component

Key Elements View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation | C | 0..* | Observation | Measurements and simple assertions Constraints: obs-6, obs-7
implicitRules | ?!Σ | 0..1 | uri | A set of rules under which this content was created
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
basedOn | S Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order
partOf | S Σ | 0..* | Reference(Procedure S | Immunization) | Part of referenced event
status | ?!Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
code | Σ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: ValueSet fake (required) Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 85354-9
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
subject | S Σ | 0..1 | Reference(Patient S) | Who and/or what the observation is about
focus | S Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record
value[x] | S Σ C | 0..1 |  | Actual result
valueQuantity |  |  | Quantity S |
valueCodeableConcept |  |  | CodeableConcept |
Slices for component | Σ | 2..* | BackboneElement | Component results Slice: Unordered, Open by pattern:code
component:All Slices |  |  |  | Content/Rules for all slices
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
component:Systolic | Σ | 1..1 | BackboneElement | Component results
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
code | Σ | 1..1 | CodeableConcept | Systolic pressure Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8480-6
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
value[x] | Σ | 0..1 | Quantity | Actual component result
value | S Σ | 1..1 | decimal | Numerical value (with implicit precision)
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
system | S Σ C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S Σ | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
component:Diastolic | Σ | 1..1 | BackboneElement | Component results
modifierExtension | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8462-4
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
value[x] | Σ | 0..1 | Quantity | Actual component result
value | S Σ | 1..1 | decimal | Numerical value (with implicit precision)
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
system | S Σ C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S Σ | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std.
Observation.code | Base | required | ValueSet fake | 📦0.2.0 | This IG
Observation.component.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​value[x].comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​value[x].comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Observation | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Observation | 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 | Observation | 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 | Observation | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Observation | A resource should have narrative for robust management | `text.`div`.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()`
obs-6 | error | Observation | dataAbsentReason SHALL only be present if Observation.value[x] is not present | `dataAbsentReason.empty() or value.empty()`
obs-7 | error | Observation | If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present | `value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()`

Differential View

This structure is derived from Observation

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation |  | 0..* | Observation | Measurements and simple assertions
basedOn | S | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order
partOf | S | 0..* | Reference(Procedure S | Immunization) | Part of referenced event
code |  | 1..1 | CodeableConcept | Type of observation (code / type) Binding: ValueSet fake (required) Required Pattern: At least the following
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 85354-9
subject | S | 0..1 | Reference(Patient S) | Who and/or what the observation is about
focus | S | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record
value[x] | S | 0..1 |  | Actual result
valueQuantity |  |  | Quantity S |
valueCodeableConcept |  |  | CodeableConcept |
Slices for component |  | 2..* | BackboneElement | Component results Slice: Unordered, Open by pattern:code
component:Systolic |  | 1..1 | BackboneElement | Component results
code |  | 1..1 | CodeableConcept | Systolic pressure Required Pattern: At least the following
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8480-6
valueQuantity |  | 0..1 | Quantity | Actual component result
value | S | 1..1 | decimal | Numerical value (with implicit precision)
system | S | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
component:Diastolic |  | 1..1 | BackboneElement | Component results
code |  | 1..1 | CodeableConcept | Type of component observation (code / type) Required Pattern: At least the following
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8462-4
valueQuantity |  | 0..1 | Quantity | Actual component result
value | S | 1..1 | decimal | Numerical value (with implicit precision)
system | S | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
Observation.code | Base | required | ValueSet fake | 📦0.2.0 | This IG

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Observation | C | 0..* | Observation | Measurements and simple assertions Constraints: obs-6, obs-7
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
contained |  | 0..* | Resource | Contained, inline Resources
extension |  | 0..* | Extension | Additional content defined by implementations
modifierExtension | ?! | 0..* | Extension | Extensions that cannot be ignored
identifier | Σ | 0..* | Identifier | Business Identifier for observation
basedOn | S Σ | 0..* | Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest) | Fulfills plan, proposal or order
partOf | S Σ | 0..* | Reference(Procedure S | Immunization) | Part of referenced event
status | ?!Σ | 1..1 | code | registered | preliminary | final | amended + Binding: ObservationStatus (required): Codes providing the status of an observation.
category |  | 0..* | CodeableConcept | Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
code | Σ | 1..1 | CodeableConcept | Type of observation (code / type) Binding: ValueSet fake (required) Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 85354-9
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
subject | S Σ | 0..1 | Reference(Patient S) | Who and/or what the observation is about
focus | S Σ | 0..* | Reference(Resource) | What the observation is about, when it is not about the subject of record
encounter | Σ | 0..1 | Reference(Encounter) | Healthcare event during which this observation is made
effective[x] | Σ | 0..1 |  | Clinically relevant time/time-period for observation
effectiveDateTime |  |  | dateTime |
effectivePeriod |  |  | Period |
effectiveTiming |  |  | Timing |
effectiveInstant |  |  | instant |
issued | Σ | 0..1 | instant | Date/Time this version was made available
performer | Σ | 0..* | Reference(Practitioner | PractitionerRole | Organization | CareTeam | Patient | RelatedPerson) | Who is responsible for the observation
value[x] | S Σ C | 0..1 |  | Actual result
valueQuantity |  |  | Quantity S |
valueCodeableConcept |  |  | CodeableConcept |
dataAbsentReason | C | 0..1 | CodeableConcept | Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
note |  | 0..* | Annotation | Comments about the observation
bodySite |  | 0..1 | CodeableConcept | Observed body part Binding: SNOMEDCTBodyStructures (example): Codes describing anatomical locations. May include laterality.
method |  | 0..1 | CodeableConcept | How it was done Binding: ObservationMethods (example): Methods for simple observations.
specimen |  | 0..1 | Reference(Specimen) | Specimen used for this observation
device |  | 0..1 | Reference(Device | DeviceMetric) | (Measurement) Device
referenceRange | C | 0..* | BackboneElement | Provides guide for interpretation Constraints: obs-3
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
low | C | 0..1 | SimpleQuantity(4.0.1) | Low Range, if relevant
high | C | 0..1 | SimpleQuantity(4.0.1) | High Range, if relevant
type |  | 0..1 | CodeableConcept | Reference range qualifier Binding: ObservationReferenceRangeMeaningCodes (preferred): Code for the meaning of a reference range.
appliesTo |  | 0..* | CodeableConcept | Reference range population Binding: ObservationReferenceRangeAppliesToCodes (example): Codes identifying the population the reference range applies to.
age |  | 0..1 | Range | Applicable age range, if relevant
text |  | 0..1 | string | Text based reference range in an observation
hasMember | Σ | 0..* | Reference(Observation | QuestionnaireResponse | MolecularSequence) | Related resource that belongs to the Observation group
derivedFrom | Σ | 0..* | Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence) | Related measurements the observation is made from
Slices for component | Σ | 2..* | BackboneElement | Component results Slice: Unordered, Open by pattern:code
component:All Slices |  |  |  | Content/Rules for all slices
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
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations.
value[x] | Σ | 0..1 |  | Actual component result
valueQuantity |  |  | Quantity |
valueCodeableConcept |  |  | CodeableConcept |
valueString |  |  | string |
valueBoolean |  |  | boolean |
valueInteger |  |  | integer |
valueRange |  |  | Range |
valueRatio |  |  | Ratio |
valueSampledData |  |  | SampledData |
valueTime |  |  | time |
valueDateTime |  |  | dateTime |
valuePeriod |  |  | Period |
dataAbsentReason | C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange |  | 0..* | See referenceRange (Observation) | Provides guide for interpretation of component result
component:Systolic | Σ | 1..1 | BackboneElement | Component results
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
code | Σ | 1..1 | CodeableConcept | Systolic pressure Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8480-6
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
value[x] | Σ | 0..1 | Quantity | Actual component result
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
value | S Σ | 1..1 | decimal | Numerical value (with implicit precision)
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit | Σ | 0..1 | string | Unit representation
system | S Σ C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S Σ | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
dataAbsentReason | C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange |  | 0..* | See referenceRange (Observation) | Provides guide for interpretation of component result
component:Diastolic | Σ | 1..1 | BackboneElement | Component results
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
code | Σ | 1..1 | CodeableConcept | Type of component observation (code / type) Binding: LOINCCodes (example): Codes identifying names of simple observations. Required Pattern: At least the following
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
coding |  | 1..* | Coding | Code defined by a terminology system Fixed Value: (Complex)
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations
system |  | 1..1 | uri | Identity of the terminology system Fixed Value: http://loinc.org
version |  | 0..1 | string | Version of the system - if relevant
code |  | 1..1 | code | Symbol in syntax defined by the system Fixed Value: 8462-4
display |  | 0..1 | string | Representation defined by the system
userSelected |  | 0..1 | boolean | If this coding was chosen directly by the user
text |  | 0..1 | string | Plain text representation of the concept
value[x] | Σ | 0..1 | Quantity | Actual component result
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
value | S Σ | 1..1 | decimal | Numerical value (with implicit precision)
comparator | ?!Σ | 0..1 | code | < | <= | >= | > - how to understand the value Binding: QuantityComparator (required): How the Quantity should be understood and represented.
unit | Σ | 0..1 | string | Unit representation
system | S Σ C | 1..1 | uri | System that defines coded unit form Fixed Value: http://unitsofmeasure.org
code | S Σ | 1..1 | code | Coded form of the unit Fixed Value: mm[Hg]
dataAbsentReason | C | 0..1 | CodeableConcept | Why the component result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation |  | 0..* | CodeableConcept | High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
referenceRange |  | 0..* | See referenceRange (Observation) | Provides guide for interpretation of component result
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Observation.language | Base | preferred | Common Languages | 📍4.0.1 | FHIR Std.
Observation.status | Base | required | ObservationStatus | 📍4.0.1 | FHIR Std.
Observation.category | Base | preferred | Observation Category Codes | 📍4.0.1 | FHIR Std.
Observation.code | Base | required | ValueSet fake | 📦0.2.0 | This IG
Observation.dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std.
Observation.interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std.
Observation.bodySite | Base | example | SNOMED CT Body Structures | 📍4.0.1 | FHIR Std.
Observation.method | Base | example | Observation Methods | 📍4.0.1 | FHIR Std.
Observation.referenceRange.​type | Base | preferred | Observation Reference Range Meaning Codes | 📍4.0.1 | FHIR Std.
Observation.referenceRange.​appliesTo | Base | example | Observation Reference Range Applies To Codes | 📍4.0.1 | FHIR Std.
Observation.component.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component.​dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std.
Observation.component.​interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​value[x].comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std.
Observation.component:Systolic.​interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​code | Base | example | LOINC Codes | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​value[x].comparator | Base | required | QuantityComparator | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​dataAbsentReason | Base | extensible | DataAbsentReason | 📍4.0.1 | FHIR Std.
Observation.component:Diastolic.​interpretation | Base | extensible | Observation Interpretation Codes | 📍4.0.1 | FHIR Std.

#### Constraints

Id | Grade | Path(s) | Description | Expression
dom-2 | error | Observation | If the resource is contained in another resource, it SHALL NOT contain nested Resources | `contained.contained.empty()`
dom-3 | error | Observation | 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 | Observation | 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 | Observation | If a resource is contained in another resource, it SHALL NOT have a security label | `contained.meta.security.empty()`
dom-6 | best practice | Observation | A resource should have narrative for robust management | `text.`div`.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()`
obs-3 | error | Observation.referenceRange | Must have at least a low or a high or text | `low.exists() or high.exists() or text.exists()`
obs-6 | error | Observation | dataAbsentReason SHALL only be present if Observation.value[x] is not present | `dataAbsentReason.empty() or value.empty()`
obs-7 | error | Observation | If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present | `value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()`

This structure is derived from Observation

Summary

Mandatory: 2 elements(6 nested mandatory elements)
Must-Support: 11 elements
Fixed: 4 elements

Slices

This structure defines the following Slices:

- The element 1 is sliced based on the value of Observation.component

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