<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="concept-map-relationship"/>
  <meta>
    <lastUpdated value="2026-03-31T18:55:04.283+00:00"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p class="res-header-id">
        <b>Generated Narrative: CodeSystem concept-map-relationship</b>
      </p>
      <a name="concept-map-relationship"> </a>
      <a name="hcconcept-map-relationship"> </a>
      <p>This case-sensitive code system 
        <code>http://hl7.org/fhir/concept-map-relationship</code> defines the following codes in an undefined hierarchy:
      </p>
      <table class="codes">
        <tr>
          <td>
            <b>Lvl</b>
          </td>
          <td style="white-space:nowrap">
            <b>Code</b>
          </td>
          <td>
            <b>Display</b>
          </td>
          <td>
            <b>Definition</b>
          </td>
        </tr>
        <tr>
          <td>1</td>
          <td style="white-space:nowrap">related-to
            <a name="concept-map-relationship-related-to"> </a>
          </td>
          <td>Related To</td>
          <td>The concepts are related to each other, but the exact relationship is not known.</td>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  equivalent
            <a name="concept-map-relationship-equivalent"> </a>
          </td>
          <td>Equivalent</td>
          <td>The definitions of the concepts mean the same thing.</td>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  source-is-narrower-than-target
            <a name="concept-map-relationship-source-is-narrower-than-target"> </a>
          </td>
          <td>Source Is Narrower Than Target</td>
          <td>The source concept is narrower in meaning than the target concept.</td>
        </tr>
        <tr>
          <td>2</td>
          <td style="white-space:nowrap">  source-is-broader-than-target
            <a name="concept-map-relationship-source-is-broader-than-target"> </a>
          </td>
          <td>Source Is Broader Than Target</td>
          <td>The source concept is broader in meaning than the target concept.</td>
        </tr>
        <tr>
          <td>1</td>
          <td style="white-space:nowrap">not-related-to
            <a name="concept-map-relationship-not-related-to"> </a>
          </td>
          <td>Not Related To</td>
          <td>This is an explicit assertion that the target concept is not related to the source concept.</td>
        </tr>
      </table>
    </div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="normative"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="3"/>
  </extension>
  <url value="http://hl7.org/fhir/concept-map-relationship"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.1986"/>
  </identifier>
  <version value="6.0.0-ballot4"/>
  <name value="ConceptMapRelationship"/>
  <title value="ConceptMapRelationship"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2026-03-31T18:55:04+00:00"/>
  <publisher value="HL7 International / FHIR Infrastructure"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/fiwg"/>
    </telecom>
  </contact>
  <description value="The relationship between concepts."/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/concept-map-relationship"/>
  <content value="complete"/>
  <concept>
    <code value="related-to"/>
    <display value="Related To"/>
    <definition value="The concepts are related to each other, but the exact relationship is not known."/>
    <concept>
      <code value="equivalent"/>
      <display value="Equivalent"/>
      <definition value="The definitions of the concepts mean the same thing."/>
    </concept>
    <concept>
      <code value="source-is-narrower-than-target"/>
      <display value="Source Is Narrower Than Target"/>
      <definition value="The source concept is narrower in meaning than the target concept."/>
    </concept>
    <concept>
      <code value="source-is-broader-than-target"/>
      <display value="Source Is Broader Than Target"/>
      <definition value="The source concept is broader in meaning than the target concept."/>
    </concept>
  </concept>
  <concept>
    <code value="not-related-to"/>
    <display value="Not Related To"/>
    <definition value="This is an explicit assertion that the target concept is not related to the source concept."/>
  </concept>
</CodeSystem>