FHIR Extensions Pack
5.3.0 - May 2026 International flag

This page is part of the FHIR Core Extensions Registry (v5.3.0: Release 5.3) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

Extension: ValueSet Source Reference

Official URL: http://hl7.org/fhir/StructureDefinition/valueset-sourceReference Version: 5.3.0
Standards status: Trial-use Maturity Level: 3 Responsible: HL7 International / Terminology Infrastructure Computable Name: VSSourceReference
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1182

This text is intended to act as a citation to work done elsewhere that is not part of the current stewarding process where the referenced source is in some way a basis of the current value set definition.

Context of Use

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

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Changes since version 5.2.0:

  • No changes
  • 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 uri: This text is intended to act as a citation to work done elsewhere that is not part of the current stewarding process where the referenced source is in some way a basis of the current value set definition.

    Maturity: 3

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Where did this content come from
    ... extension 0..0 Extension
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/valueset-sourceReference"
    ... value[x] 1..1 uri Value of extension

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Where did this content come from
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0 Extension
    Slice: Unordered, Open by value:url
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/valueset-sourceReference"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension with the type uri: This text is intended to act as a citation to work done elsewhere that is not part of the current stewarding process where the referenced source is in some way a basis of the current value set definition.

    Maturity: 3

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Where did this content come from
    ... extension 0..0 Extension
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/valueset-sourceReference"
    ... value[x] 1..1 uri Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Where did this content come from
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0 Extension
    Slice: Unordered, Open by value:url
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/valueset-sourceReference"

    doco Documentation for this format

     

    Other representations of profile: CSV, Excel, Schematron

    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()

    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)