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: Profile Element

Official URL: http://hl7.org/fhir/StructureDefinition/elementdefinition-profile-element Version: 5.3.0-ballot-tc1
Standards status: Trial-use Maturity Level: 3 Computable Name: ProfileElement
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1587

Provides the snapshot.element.id of the element within the profile containing this extension to use as the starting point for validation of the element on which the profile is declared. This is used when a backbone element is being profiled, rather than an established type.

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:

  • The resource metadata has changed (description)
  • 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 string: Provides the snapshot.element.id of the element within the profile containing this extension to use as the starting point for validation of the element on which the profile is declared. This is used when a backbone element is being profiled, rather than an established type.

    Maturity: 3

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Specific element for profile (for backbone elements)
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-profile-element"
    ... value[x] 1..1 string Value of extension

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Specific element for profile (for backbone elements)
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-profile-element"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension with the type string: Provides the snapshot.element.id of the element within the profile containing this extension to use as the starting point for validation of the element on which the profile is declared. This is used when a backbone element is being profiled, rather than an established type.

    Maturity: 3

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Specific element for profile (for backbone elements)
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-profile-element"
    ... value[x] 1..1 string Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Specific element for profile (for backbone elements)
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/elementdefinition-profile-element"

    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/elementdefinition-profile-element 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/elementdefinition-profile-element of type StructureDefinition (existing version 4.0.1, new version 5.3.0-ballot-tc1)

    R3

    The extension is unchanged in R3

    Search Parameters for this Extension

    (none found)