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

## Extension: Questionnaire Audience

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

Provides a code to express the intended audience for the Questionnaire form.

Context of Use

This extension may be used on the following element(s)

- Element ID: `Questionnaire`

Usage info

Usages:

- Use this Extension: DTR Base Questionnaire
- Examples for this Extension: Bundle/home-o2-questionnairepackage-bundle-2, Bundle/home-o2-questionnairepackage-bundle, Parameters/QuestionnairePackageOutputParamsExample and HomeOxygenTherapyStdQuestionnaire

You can also check for usages in the FHIR IG Statistics

### Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

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

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Questionnaire Audience
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/questionnaireAudience"
value[x] |  | 1..1 | code | clinical | admin | patient Binding: Audience Value Set (required)
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x] | Base | required | Audience Value Set | 📦2.2.0 | This IG

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Questionnaire Audience
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/us/davinci-dtr/StructureDefinition/questionnaireAudience"
value[x] |  | 1..1 | code | clinical | admin | patient Binding: Audience Value Set (required)
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x] | Base | required | Audience Value Set | 📦2.2.0 | This IG

#### Constraints

Id | Grade | Path(s) | Description | Expression
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()`

Summary

Simple Extension with the type code: Provides a code to express the intended audience for the Questionnaire form.

Maturity: 2

Differential ViewDifferential View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Questionnaire Audience
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/questionnaireAudience"
value[x] |  | 1..1 | code | clinical | admin | patient Binding: Audience Value Set (required)
Documentation for this format

#### Terminology Bindings (Differential)

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x] | Base | required | Audience Value Set | 📦2.2.0 | This IG

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Questionnaire Audience
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/us/davinci-dtr/StructureDefinition/questionnaireAudience"
value[x] |  | 1..1 | code | clinical | admin | patient Binding: Audience Value Set (required)
Documentation for this format

#### Terminology Bindings

Path | Status | Usage | ValueSet | Version | Source
Extension.value[x] | Base | required | Audience Value Set | 📦2.2.0 | This IG

#### Constraints

Id | Grade | Path(s) | Description | Expression
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()`

Summary

Simple Extension with the type code: Provides a code to express the intended audience for the Questionnaire form.

Maturity: 2

Other representations of profile: CSV, Excel, Schematron