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

FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.3.0-ballot-tc1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

Extension: ValueSet Expansion Source

Official URL: http://hl7.org/fhir/StructureDefinition/valueset-expansionSource Version: 5.3.0-ballot-tc1
Standards status: Deprecated Maturity Level: 3 Responsible: HL7 International / Terminology Infrastructure Computable Name: VSExpansionSource
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1194

The logical URL of the ValueSet definition that was used to generate this expansion. ValueSet.url should be used instead of this extension.

Context of Use

This extension is deprecated and should no longer be used

ValueSet.url should be used instead of this extension

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:

  • The resource metadata has changed (description)

    • 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: The logical URL of the ValueSet definition that was used to generate this expansion. ValueSet.url should be used instead of this extension.

    Maturity: 3

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension ValueSet definition used to generate this expansion (logical URL)
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/valueset-expansionSource"
    ... value[x] 1..1 uri Value of extension

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension ValueSet definition used to generate this expansion (logical URL)
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/valueset-expansionSource"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension with the type uri: The logical URL of the ValueSet definition that was used to generate this expansion. ValueSet.url should be used instead of this extension.

    Maturity: 3

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension ValueSet definition used to generate this expansion (logical URL)
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/valueset-expansionSource"
    ... value[x] 1..1 uri Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension ValueSet definition used to generate this expansion (logical URL)
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/valueset-expansionSource"

    doco Documentation for this format

     

    Other representations of profile: CSV, Excel, Schematron

    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 not used in R4B

    • Duplicate Resource http://hl7.org/fhir/StructureDefinition/valueset-expansionSource of type StructureDefinition (existing version 4.3.0, new version 5.3.0-ballot-tc1)

    R4

    The extension is not used in R4

    • Duplicate Resource http://hl7.org/fhir/StructureDefinition/valueset-expansionSource of type StructureDefinition (existing version 4.0.1, new version 5.3.0-ballot-tc1)

    R3

    The extension is not used in R3

    • Duplicate Resource http://hl7.org/fhir/StructureDefinition/valueset-expansionSource of type StructureDefinition (existing version null, new version 5.3.0-ballot-tc1)

    Search Parameters for this Extension

    (none found)