FHIR Extensions Pack
5.2.0-ballot - 5.2.0 Ballot - September 2024) 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 5.2.0-ballot 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: Artifact Version Algorithm

Official URL: http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm Version: 5.2.0-ballot
Standards status: Draft Maturity Level: 1 Responsible: HL7 International / Clinical Decision Support Computable Name: ArtifactVersionAlgorithm
Other Identifiers: OID:2.16.840.1.113883.4.642.5.1738

Indicates the mechanism used to compare versions to determine which is more current.

This extension is defined to support representing artifact metadata on resources that are not already canonical resources that have the corresponding element, and that behave in a definitional way. For example, it would not be appropriate to use this extension on a patient-specific resource such as MedicationRequest or CarePlan.

Context of Use

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

  • Element ID Resource

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 (experimental, publisher)
  • The data elements list has 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 of type string, Coding: Indicates the mechanism used to compare versions to determine which is more current.

    Maturity: 1

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension How to compare versions
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm"
    ... value[x] 1..1 Value of extension
    Binding: VersionAlgorithm (extensible)
    .... valueString string
    .... valueCoding Coding

    doco Documentation for this format
    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension How to compare versions
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm"
    .... valueString string
    .... valueCoding Coding

    doco Documentation for this format

    This structure is derived from Extension

    Summary

    Simple Extension of type string, Coding: Indicates the mechanism used to compare versions to determine which is more current.

    Maturity: 1

    Differential View

    This structure is derived from Extension

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension How to compare versions
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm"
    ... value[x] 1..1 Value of extension
    Binding: VersionAlgorithm (extensible)
    .... valueString string
    .... valueCoding Coding

    doco Documentation for this format

    Snapshot View

    NameFlagsCard.TypeDescription & Constraintsdoco
    .. Extension 0..1 Extension How to compare versions
    ... id 0..1 id Unique id for inter-element referencing
    ... extension 0..0
    ... url 1..1 uri "http://hl7.org/fhir/StructureDefinition/artifact-versionAlgorithm"
    .... valueString string
    .... valueCoding Coding

    doco Documentation for this format

     

    Other representations of profile: CSV, Excel, Schematron

    Terminology Bindings

    PathConformanceValueSetURI
    Extension.value[x]extensibleVersionAlgorithm
    http://hl7.org/fhir/ValueSet/version-algorithm
    from the FHIR Standard

    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)