Structured Data Capture
4.0.0 - International flag

Structured Data Capture, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 4.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/sdc/ and changes regularly. See the Directory of published versions

Extension: Sub-questionnaire

Official URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-subQuestionnaire Version: 4.0.0
Standards status: Trial-use Active as of 2025-10-22 Maturity Level: 4 Computable Name: SubQuestionnaireExtension
Other Identifiers: OID:2.16.840.1.113883.4.642.40.17.42.55

Indicates that the display item on which this extension appears should be replaced with the referenced Questionnaire

Context of Use

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

    In addition, the extension can only be used when this FHIRPath expression is true:

    where(%resource.is(Questionnaire)).exists(type.first()='display') or ofType(ElementDefinition).type.exists().allTrue()

Additional details on the use of this extension can be found on the Modular Forms page.

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension Questionnaire to substitute here
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-subQuestionnaire"
... value[x] 0..1 canonical() Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension Questionnaire to substitute here
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-subQuestionnaire"

doco Documentation for this format

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 canonical: Indicates that the display item on which this extension appears should be replaced with the referenced Questionnaire

Maturity: 4

Differential ViewDifferential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension Questionnaire to substitute here
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-subQuestionnaire"
... value[x] 0..1 canonical() Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension Questionnaire to substitute here
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-subQuestionnaire"

doco Documentation for this format

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 canonical: Indicates that the display item on which this extension appears should be replaced with the referenced Questionnaire

Maturity: 4

 

Other representations of profile: CSV, Excel, Schematron