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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="openEHR-EHR-CLUSTER.symptom-sign.v2.at0186"/>
  <language value="en"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem openEHR-EHR-CLUSTER.symptom-sign.v2.at0186</b></p><a name="openEHR-EHR-CLUSTER.symptom-sign.v2.at0186"> </a><a name="hcopenEHR-EHR-CLUSTER.symptom-sign.v2.at0186"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/uv/symptoms/CodeSystem/openEHR-EHR-CLUSTER.symptom-sign.v2.at0186</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">at0187<a name="openEHR-EHR-CLUSTER.symptom-sign.v2.at0186-at0187"> </a></td><td>First occurrence</td><td>This is the first ever occurrence of this symptom or sign.</td></tr><tr><td style="white-space:nowrap">at0188<a name="openEHR-EHR-CLUSTER.symptom-sign.v2.at0186-at0188"> </a></td><td>Recurrence</td><td>New occurrence of the same symptom or sign after a previous episode was resolved.</td></tr></table></div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="cic"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="2">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical value="http://hl7.org/fhir/uv/symptoms/ImplementationGuide/hl7.fhir.uv.symptoms"/>
      </extension>
    </valueInteger>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical value="http://hl7.org/fhir/uv/symptoms/ImplementationGuide/hl7.fhir.uv.symptoms"/>
      </extension>
    </valueCode>
  </extension>
  <url value="http://hl7.org/fhir/uv/symptoms/CodeSystem/openEHR-EHR-CLUSTER.symptom-sign.v2.at0186"/>
  <version value="1.0.0"/>
  <name value="OccurrenceCS"/>
  <title value="Occurrence"/>
  <status value="active"/>
  <date value="2026-04-01T16:06:07+00:00"/>
  <publisher value="HL7 International / Clinical Interoperability Council"/>
  <contact>
    <name value="HL7 International / Clinical Interoperability Council"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/cic"/>
    </telecom>
  </contact>
  <description value="CodeSystem for Type of occurrence for this symptom or sign?"/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <concept>
    <code value="at0187"/>
    <display value="First occurrence"/>
    <definition value="This is the first ever occurrence of this symptom or sign."/>
  </concept>
  <concept>
    <code value="at0188"/>
    <display value="Recurrence"/>
    <definition value="New occurrence of the same symptom or sign after a previous episode was resolved."/>
  </concept>
</CodeSystem>