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: Definition Term

Official URL: http://hl7.org/fhir/StructureDefinition/cqf-definitionTerm Version: 5.3.0-ballot-tc1
Standards status: Trial-use Maturity Level: 3 Responsible: HL7 International / Clinical Decision Support Computable Name: DefinitionTerm
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1766

Specifies a term and its associated definition.

An artifact specification must be able to provide definitions for terms that are used to help communicate the artifact intent.

Context of Use

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

Usage info

Usages:

  • This Extension is not used by any profiles in this Implementation Guide

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

    Complex Extension: Specifies a term and its associated definition.

    • term: string: Specifies the term used in artifact guidance.
    • definition: markdown: Specifies the definition of the term used in artifact guidance.

    Maturity: 3

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Defined term
    ... Slices for extension Content/Rules for all slices
    .... extension:term 1..1 Extension Term being defined
    ..... url 1..1 uri "term"
    ..... value[x] 0..1 string Value of extension
    .... extension:definition 1..1 Extension Definition of the term
    ..... url 1..1 uri "definition"
    ..... value[x] 0..1 markdown Value of extension
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/cqf-definitionTerm"
    ... value[x] 0..0

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Defined term
    ... id 0..1 id Unique id for inter-element referencing
    ... Slices for extension 2..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    .... extension:term 1..1 Extension Term being defined
    ..... id 0..1 id Unique id for inter-element referencing
    ..... extension 0..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    ..... url 1..1 uri "term"
    ..... value[x] 0..1 string Value of extension
    .... extension:definition 1..1 Extension Definition of the term
    ..... id 0..1 id Unique id for inter-element referencing
    ..... extension 0..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    ..... url 1..1 uri "definition"
    ..... value[x] 0..1 markdown Value of extension
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/cqf-definitionTerm"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Complex Extension: Specifies a term and its associated definition.

    • term: string: Specifies the term used in artifact guidance.
    • definition: markdown: Specifies the definition of the term used in artifact guidance.

    Maturity: 3

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Defined term
    ... Slices for extension Content/Rules for all slices
    .... extension:term 1..1 Extension Term being defined
    ..... url 1..1 uri "term"
    ..... value[x] 0..1 string Value of extension
    .... extension:definition 1..1 Extension Definition of the term
    ..... url 1..1 uri "definition"
    ..... value[x] 0..1 markdown Value of extension
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/cqf-definitionTerm"
    ... value[x] 0..0

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
    .. Extension 0..1 Extension Defined term
    ... id 0..1 id Unique id for inter-element referencing
    ... Slices for extension 2..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    .... extension:term 1..1 Extension Term being defined
    ..... id 0..1 id Unique id for inter-element referencing
    ..... extension 0..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    ..... url 1..1 uri "term"
    ..... value[x] 0..1 string Value of extension
    .... extension:definition 1..1 Extension Definition of the term
    ..... id 0..1 id Unique id for inter-element referencing
    ..... extension 0..* Extension Additional content defined by implementations
    Slice: Unordered, Open by value:url
    ..... url 1..1 uri "definition"
    ..... value[x] 0..1 markdown Value of extension
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/cqf-definitionTerm"

    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 unchanged in R4B

    R4

    The extension is unchanged in R4

    R3

    The extension is unchanged in R3

    Search Parameters for this Extension

    (none found)