FHIR Extensions Pack
5.3.0 - May 2026 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 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

: Artifact Topic SearchParameter - XML Representation

Page standards status: Draft Maturity Level: 4

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<SearchParameter xmlns="http://hl7.org/fhir">
  <id value="artifact-topic"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: SearchParameter artifact-topic</b></p><a name="artifact-topic"> </a><a name="hcartifact-topic"> </a><h2>ArtifactTopicSearchParameter</h2><p>Parameter <code>topic</code>:<code>token</code></p><div><p>Search by the topics of an artifact, as given by the <a href="StructureDefinition-artifact-topic.html">artifact-topic extension</a></p>
</div><table class="grid"><tr><td>Resources</td><td><a href="http://hl7.org/fhir/R5/artifactassessment.html">ArtifactAssessment</a>, <a href="http://hl7.org/fhir/R5/capabilitystatement.html">CapabilityStatement</a>, <a href="http://hl7.org/fhir/R5/clinicalusedefinition.html">ClinicalUseDefinition</a>, <a href="http://hl7.org/fhir/R5/codesystem.html">CodeSystem</a>, <a href="http://hl7.org/fhir/R5/compartmentdefinition.html">CompartmentDefinition</a>, <a href="http://hl7.org/fhir/R5/conditiondefinition.html">ConditionDefinition</a>, <a href="http://hl7.org/fhir/R5/conceptmap.html">ConceptMap</a>, <a href="http://hl7.org/fhir/R5/devicedefinition.html">DeviceDefinition</a>, <a href="http://hl7.org/fhir/R5/examplescenario.html">ExampleScenario</a>, <a href="http://hl7.org/fhir/R5/graphdefinition.html">GraphDefinition</a>, <a href="http://hl7.org/fhir/R5/group.html">Group</a>, <a href="http://hl7.org/fhir/R5/implementationguide.html">ImplementationGuide</a>, <a href="http://hl7.org/fhir/R5/medication.html">Medication</a>, <a href="http://hl7.org/fhir/R5/medicationknowledge.html">MedicationKnowledge</a>, <a href="http://hl7.org/fhir/R5/messagedefinition.html">MessageDefinition</a>, <a href="http://hl7.org/fhir/R5/namingsystem.html">NamingSystem</a>, <a href="http://hl7.org/fhir/R5/observationdefinition.html">ObservationDefinition</a>, <a href="http://hl7.org/fhir/R5/operationdefinition.html">OperationDefinition</a>, <a href="http://hl7.org/fhir/R5/questionnaire.html">Questionnaire</a>, <a href="http://hl7.org/fhir/R5/searchparameter.html">SearchParameter</a>, <a href="http://hl7.org/fhir/R5/specimendefinition.html">SpecimenDefinition</a>, <a href="http://hl7.org/fhir/R5/substance.html">Substance</a>, <a href="http://hl7.org/fhir/R5/substancedefinition.html">SubstanceDefinition</a>, <a href="http://hl7.org/fhir/R5/subscriptiontopic.html">SubscriptionTopic</a>, <a href="http://hl7.org/fhir/R5/structuredefinition.html">StructureDefinition</a>, <a href="http://hl7.org/fhir/R5/structuremap.html">StructureMap</a>, <a href="http://hl7.org/fhir/R5/terminologycapabilities.html">TerminologyCapabilities</a>, <a href="http://hl7.org/fhir/R5/valueset.html">ValueSet</a></td></tr><tr><td>Expression</td><td><code>Resource.extension('http://hl7.org/fhir/StructureDefinition/artifact-topic').value</code></td></tr><tr><td>Processing Mode</td><td>Normal</td></tr><tr><td>Multiples</td><td><ul><li>multipleAnd: It's up to the server whether the parameter may repeat in order to specify multiple values that must all be true</li><li>multipleOr: It's up to the server whether the parameter can have multiple values (separated by comma) where at least one must be true</li></ul></td></tr></table></div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="draft"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="cds"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="4">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical
                        value="http://hl7.org/fhir/extensions/ImplementationGuide/hl7.fhir.uv.extensions"/>
      </extension>
    </valueInteger>
  </extension>
  <url value="http://hl7.org/fhir/SearchParameter/artifact-topic"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.40.97.40.4"/>
  </identifier>
  <version value="5.3.0"/>
  <name value="ArtifactTopicSearchParameter"/>
  <title value="Artifact Topic SearchParameter"/>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2026-10-02"/>
  <publisher value="HL7 International / Clinical Decision Support"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/dss"/>
    </telecom>
  </contact>
  <description
               value="Search by the topics of an artifact, as given by the [artifact-topic extension](StructureDefinition-artifact-topic.html)"/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
    </coding>
  </jurisdiction>
  <code value="topic"/>
  <base value="ArtifactAssessment">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="5.0"/>
      </extension>
    </extension>
  </base>
  <base value="CapabilityStatement"/>
  <base value="ClinicalUseDefinition">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="4.3"/>
      </extension>
    </extension>
  </base>
  <base value="CodeSystem"/>
  <base value="CompartmentDefinition"/>
  <base value="ConditionDefinition">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="5.0"/>
      </extension>
    </extension>
  </base>
  <base value="ConceptMap"/>
  <base value="DeviceDefinition">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="4.0"/>
      </extension>
    </extension>
  </base>
  <base value="ExampleScenario">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="4.0"/>
      </extension>
    </extension>
  </base>
  <base value="GraphDefinition"/>
  <base value="Group"/>
  <base value="ImplementationGuide"/>
  <base value="Medication"/>
  <base value="MedicationKnowledge">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="4.0"/>
      </extension>
    </extension>
  </base>
  <base value="MessageDefinition"/>
  <base value="NamingSystem"/>
  <base value="ObservationDefinition">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="4.0"/>
      </extension>
    </extension>
  </base>
  <base value="OperationDefinition"/>
  <base value="Questionnaire"/>
  <base value="SearchParameter"/>
  <base value="SpecimenDefinition">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="4.0"/>
      </extension>
    </extension>
  </base>
  <base value="Substance"/>
  <base value="SubstanceDefinition">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="4.3"/>
      </extension>
    </extension>
  </base>
  <base value="SubscriptionTopic">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="4.3"/>
      </extension>
    </extension>
  </base>
  <base value="StructureDefinition"/>
  <base value="StructureMap"/>
  <base value="TerminologyCapabilities">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/version-specific-use">
      <extension url="startFhirVersion">
        <valueCode value="4.0"/>
      </extension>
    </extension>
  </base>
  <base value="ValueSet"/>
  <type value="token"/>
  <expression
              value="Resource.extension('http://hl7.org/fhir/StructureDefinition/artifact-topic').value"/>
  <processingMode value="normal"/>
</SearchParameter>