<?xml version=“1.0” encoding=“UTF-8”?> <ValueSet xmlns=“hl7.org/fhir”>

<id value="yesnodontknow"/>
<meta>
  <security>
    <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
    <code value="HTEST"/>
    <display value="test health data"/>
  </security>
</meta>

<url value="http://hl7.org/fhir/ValueSet/yesnodontknow"/>
<version value="4.0.1"/>
<name value="Yes/No/Don't Know"/>
<status value="draft"/>
<description value="For Capturing simple yes-no-don't know answers"/>
<compose>
  <include>
    <valueSet value="http://terminology.hl7.org/ValueSet/v2-0136"/>
  </include>
  <include>
    <system value="http://terminology.hl7.org/CodeSystem/data-absent-reason"/>
    <concept>
      <code value="asked-unknown"/>
      <display value="Don't know"/>
    </concept>
  </include>
</compose>
<expansion>
  <identifier value="urn:uuid:bf99fe50-2c2b-41ad-bd63-bee6919810b4"/>
  <timestamp value="2015-07-14T10:00:00Z"/>
  <contains>
    <system value="http://terminology.hl7.org/CodeSystem/v2-0136"/>
    <code value="Y"/>
    <display value="Yes"/>
  </contains>
  <contains>
    <system value="http://terminology.hl7.org/CodeSystem/v2-0136"/>
    <code value="N"/>
    <display value="No"/>
  </contains>
  <contains>
    <system value="http://terminology.hl7.org/CodeSystem/data-absent-reason"/>
    <code value="asked-unknown"/>
    <display value="Don't know"/>
  </contains>
</expansion>

</ValueSet>