<Observation xmlns="http://hl7.org/fhir">
  <id value="656bbbec-28f3-4f8a-bdd1-01dcea656e7a" />
  <meta>
    <versionId value="1" />
    <lastUpdated value="2021-03-12T10:54:04.126-05:00" />
    <source value="#PYm1s7IOmQcC4MBf" />
  </meta>
  <status value="final" />
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category" />
      <code value="laboratory" />
      <display value="laboratory" />
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="2857-1" />
      <display value="Prostate specific Ag [Mass/volume] in Serum or Plasma" />
    </coding>
    <text value="Prostate specific Ag [Mass/volume] in Serum or Plasma" />
  </code>
  <subject>
    <reference value="Patient/1d86bcfe-6359-4c82-add8-770fe8b14b50" />
  </subject>
  <encounter>
    <reference value="Encounter/ba7f203d-7b71-4acb-a49b-673c5bfbe537" />
  </encounter>
  <effectiveDateTime value="2020-03-17T19:34:17-04:00" />
  <issued value="2020-03-17T19:34:17.901-04:00" />
  <valueQuantity>
    <value value="1.5083" />
    <unit value="ng/mL" />
    <system value="http://unitsofmeasure.org" />
    <code value="ng/mL" />
  </valueQuantity>
</Observation>