<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="ex-onsettype" />
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>The narrative has been removed to reduce the size of the distribution of the Hl7.Fhir.Specification library</p>
    </div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-ballot-status">
    <valueString value="Informative" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="0" />
  </extension>
  <url value="http://hl7.org/fhir/ex-onsettype" />
  <identifier>
    <system value="urn:ietf:rfc:3986" />
    <value value="urn:oid:2.16.840.1.113883.4.642.1.571" />
  </identifier>
  <version value="3.0.0" />
  <name value="Example Onset Type (Reason) Codes" />
  <status value="draft" />
  <experimental value="true" />
  <publisher value="Financial Management" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://hl7.org/fhir" />
    </telecom>
  </contact>
  <description value="This value set includes example Onset Type codes which are used to identify the event for which the onset, starting date, is required." />
  <copyright value="This is an example set." />
  <caseSensitive value="true" />
  <valueSet value="http://hl7.org/fhir/ValueSet/ex-onsettype" />
  <content value="complete" />
  <concept>
    <code value="lxm" />
    <display value="Last Exam" />
    <definition value="Date of last examination." />
  </concept>
  <concept>
    <code value="sym" />
    <display value="Start of Symptoms" />
    <definition value="Date when symptoms were first noticed.." />
  </concept>
  <concept>
    <code value="lmn" />
    <display value="Last Menstruation" />
    <definition value="Start date of last menstruation." />
  </concept>
</CodeSystem>