FHIR Extensions Pack
5.3.0-ballot-tc1 - (September 2025 Ballot) International flag

This page is part of the FHIR Core Extensions Registry (v5.3.0-ballot-tc1: Release 5.3) based on FHIR (HL7® FHIR® Standard) v5.0.0. This version is a pre-release. The current official version is 5.2.0. For a full list of available versions, see the Directory of published versions

Extension: Questionnaire Reference Resource

Official URL: http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource Version: 5.3.0-ballot-tc1
Standards status: Trial-use Maturity Level: 3 Computable Name: QReferenceResource
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1243

Where the type for a question is "Reference", indicates a type of resource that is permitted.

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:

ofType(ElementDefinition).type.exists(code='Reference') or where(%resource.is(Questionnaire)).exists(type.first()='reference')

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Changes since version 5.2.0:

  • The data elements list has changed
  • One or more text definitions, invariants or bindings have changed
  • Formal Views of Extension Content

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

    This structure is derived from Extension

    Summary

    Simple Extension with the type code: Where the type for a question is "Reference", indicates a type of resource that is permitted.

    Maturity: 3

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..* Extension Allowed resource for reference
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource"
    ... value[x] 1..1 code Value of extension
    Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..* Extension Allowed resource for reference
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension with the type code: Where the type for a question is "Reference", indicates a type of resource that is permitted.

    Maturity: 3

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..* Extension Allowed resource for reference
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource"
    ... value[x] 1..1 code Value of extension
    Binding: ResourceType (required): One of the resource types defined as part of this version of FHIR.

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..* Extension Allowed resource for reference
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource"

    doco Documentation for this format

     

    Other representations of profile: CSV, Excel, Schematron

    Terminology Bindings

    PathConformanceValueSetURI
    Extension.value[x]requiredResourceType
    http://hl7.org/fhir/ValueSet/resource-types
    From the FHIR Standard

    Constraints

    IdGradePath(s)DetailsRequirements
    ele-1error**ALL** elementsAll FHIR elements must have a @value or children
    : hasValue() or (children().count() > id.count())
    ext-1error**ALL** extensionsMust have either extensions or value[x], not both
    : extension.exists() != value.exists()

    R4B

    The extension is unchanged in R4B

    R4

    The extension is unchanged in R4

    R3

    The extension is unchanged in R3

    Search Parameters for this Extension

    (none found)