This page is part of the Structured Data Capture FHIR IG (v4.0.0: STU 4) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions
| Official URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-collapsible | Version: 4.0.0 | ||||
| Standards status: Trial-use Active as of 2026-03-24 | Maturity Level: 4 | Computable Name: CollapsibleExtension | |||
| Other Identifiers: OID:2.16.840.1.113883.4.642.40.17.42.20 | |||||
Indicates whether the child items of a group or question item is displayed in collapsible form.
Context of Use
This extension may be used on the following element(s)
Questionnaire.item
ElementDefinition
Additional details on the use of this extension can be found on the Advanced Rendering page.
Usage info
Usages:
You can also check for usages in the FHIR IG Statistics
Description Differentials, Snapshots, and other representations.
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
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0..1 | Extension | Indicates whether the child items of a group or question item is displayed in collapsible form. | |
![]() ![]() |
0..0 | Extension | ||
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1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-collapsible" | |
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0..1 | code | Value of extension Binding: Questionnaire Item Collapsible (required): Defines mechanism of displaying child items. | |
Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | required | Questionnaire Item Collapsible | 📦4.0.0 | This IG |
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
0..1 | Extension | Indicates whether the child items of a group or question item is displayed in collapsible form. | |
![]() ![]() |
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() |
0..0 | Extension Slice: Unordered, Open by value:url | ||
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1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-collapsible" | |
![]() ![]() |
0..1 | code | Value of extension Binding: Questionnaire Item Collapsible (required): Defines mechanism of displaying child items. | |
Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | required | Questionnaire Item Collapsible | 📦4.0.0 | This IG |
| 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: Indicates whether the child items of a group or question item is displayed in collapsible form.
Maturity: 4
Differential ViewDifferential View
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
0..1 | Extension | Indicates whether the child items of a group or question item is displayed in collapsible form. | |
![]() ![]() |
0..0 | Extension | ||
![]() ![]() |
1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-collapsible" | |
![]() ![]() |
0..1 | code | Value of extension Binding: Questionnaire Item Collapsible (required): Defines mechanism of displaying child items. | |
Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | required | Questionnaire Item Collapsible | 📦4.0.0 | This IG |
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: ![]() ![]() |
|---|---|---|---|---|
![]() |
0..1 | Extension | Indicates whether the child items of a group or question item is displayed in collapsible form. | |
![]() ![]() |
0..1 | string | Unique id for inter-element referencing | |
![]() ![]() |
0..0 | Extension Slice: Unordered, Open by value:url | ||
![]() ![]() |
1..1 | uri | "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-collapsible" | |
![]() ![]() |
0..1 | code | Value of extension Binding: Questionnaire Item Collapsible (required): Defines mechanism of displaying child items. | |
Documentation for this format | ||||
| Path | Status | Usage | ValueSet | Version | Source |
| Extension.value[x] | Base | required | Questionnaire Item Collapsible | 📦4.0.0 | This IG |
| 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: Indicates whether the child items of a group or question item is displayed in collapsible form.
Maturity: 4
Other representations of profile: CSV, Excel, Schematron