<Observation xmlns="http://hl7.org/fhir">
  <id value="a71986cf-ba26-4bc9-a29d-6fe18878f670" />
  <meta>
    <versionId value="1" />
    <lastUpdated value="2016-12-16T14:32:58.125+00:00" />
  </meta>
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">1953-10-27: Gestational age at birth = 43.4 weeks</div>
  </text>
  <status value="final" />
  <category>
    <coding>
      <system value="http://hl7.org/fhir/observation-category" />
      <code value="exam" />
      <display value="Exam" />
    </coding>
    <text value="Exam" />
  </category>
  <code>
    <coding>
      <system value="http://loinc.org/" />
      <code value="18185-9" />
      <display value="Gestational age at birth" />
    </coding>
    <text value="Gestational age at birth" />
  </code>
  <subject>
    <reference value="Patient/1098667" />
  </subject>
  <effectiveDateTime value="1953-10-27" />
  <valueQuantity>
    <value value="43.4" />
    <unit value="weeks" />
    <system value="http://unitsofmeasure.org/" />
    <code value="wk" />
  </valueQuantity>
</Observation>