FHIR Extensions Pack
5.2.0 - February 2025 International flag

This page is part of the FHIR Core Extensions Registry (v5.2.0: Release 5.2) 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: CodeSystem Authoritative Source

Official URL: http://hl7.org/fhir/StructureDefinition/codesystem-authoritativeSource Version: 5.2.0
Standards status: Deprecated Maturity Level: 2 Responsible: HL7 International / Terminology Infrastructure Computable Name: CSAuthoritativeSource
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1138

A reference to the authoritative, human readable, source of truth for the code system information. This extension has been deprecated due to being poorly defined. External code system information can be found in THO or the relevant HTA confluence pages.

Context of Use

This extension is deprecated and should no longer be used

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

Usage info

Usage:

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

Changes since version 1.0.0:

  • The resource metadata has changed (publisher, 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 of type uri: A reference to the authoritative, human readable, source of truth for the code system information. This extension has been deprecated due to being poorly defined. External code system information can be found in THO or the relevant HTA confluence pages.

    Maturity: 2

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Reference to the current trusted source of the CodeSystem resource
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/codesystem-authoritativeSource"
    ... value[x] 1..1 uri Value of extension

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Reference to the current trusted source of the CodeSystem resource
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/codesystem-authoritativeSource"

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension of type uri: A reference to the authoritative, human readable, source of truth for the code system information. This extension has been deprecated due to being poorly defined. External code system information can be found in THO or the relevant HTA confluence pages.

    Maturity: 2

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Reference to the current trusted source of the CodeSystem resource
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/codesystem-authoritativeSource"
    ... value[x] 1..1 uri Value of extension

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension Reference to the current trusted source of the CodeSystem resource
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/codesystem-authoritativeSource"

    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()

    Search Parameters for this Extension

    (none found)