<Observation xmlns="http://hl7.org/fhir">
  <id value="acme-product-observation-VALID" />
  <meta>
    <versionId value="1189" />
    <lastUpdated value="2016-03-09T15:29:58.419+00:00" />
    <profile value="https://fake-acme.org/fhir/StructureDefinition/ACME-product-observation-lab" />
  </meta>
  <status value="final" />
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category" />
      <code value="laboratory" />
      <display value="Laboratory" />
    </coding>
    <text value="Laboratory" />
  </category>
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="789-8" />
      <display value="RBC # Bld Auto" />
    </coding>
    <text value="RBC # Bld Auto" />
  </code>
  <subject>
    <reference value="Patient/example" />
    <display value="Amy Shaw" />
  </subject>
  <effectiveDateTime value="2005-07-05" />
  <valueQuantity>
    <value value="4.58" />
    <unit value="10*6/uL" />
    <system value="http://unitsofmeasure.org" />
  </valueQuantity>
  <referenceRange>
    <low>
      <value value="4.1" />
      <unit value="10*6/uL" />
      <system value="http://unitsofmeasure.org" />
      <code value="10*6/uL" />
    </low>
    <high>
      <value value="6.1" />
      <unit value="10*6/uL" />
      <system value="http://unitsofmeasure.org" />
      <code value="10*6/uL" />
    </high>
    <appliesTo>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/referencerange-meaning" />
        <code value="normal" />
        <display value="Normal Range" />
      </coding>
      <text value="Normal Range" />
    </appliesTo>
  </referenceRange>
</Observation>