<Observation xmlns="http://hl7.org/fhir">
  <id value="some-day-smoker" />
  <meta>
    <profile value="http://hl7.org/fhir/us/core/StructureDefinition/us-core-smokingstatus" />
  </meta>
  <identifier>
    <system value="https://fake-acme.org/fhir/randomidentifier" />
    <value value="28a7886b-4e45-4087-8351-ee3f59dbe3d0" />
  </identifier>
  <status value="final" />
  <category>
    <coding>
      <system value="http://hl7.org/fhir/observation-category" />
      <code value="social-history" />
      <display value="Social History" />
    </coding>
    <text value="Social History" />
  </category>
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="72166-2" />
      <display value="Tobacco smoking status NHIS" />
    </coding>
    <text value="Tobacco smoking status NHIS" />
  </code>
  <subject>
    <reference value="Patient/example" />
    <display value="Amy Shaw" />
  </subject>
  <issued value="2016-03-18T05:27:04+00:00" />
  <valueCodeableConcept>
    <coding>
      <system value="http://snomed.info/sct" />
      <code value="428041000124106" />
    </coding>
    <text value="Current some day smoker" />
  </valueCodeableConcept>
</Observation>