<Observation xmlns="http://hl7.org/fhir">
  <id value="19c1daec-64b4-4e39-b0e6-4de74f56ef83" />
  <meta>
    <versionId value="1" />
    <lastUpdated value="2021-03-12T17:07:00.224-05:00" />
    <source value="#E88Bp6vmUvST0x5d" />
    <profile value="http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-lab" />
  </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="83057-0" />
      <display value="PD-L1 by clone SP142 [Presence] in Tissue by Immune stain" />
    </coding>
    <text value="PD-L1 by clone SP142 [Presence] in Tissue by Immune stain" />
  </code>
  <subject>
    <reference value="Patient/0c8ec550-2221-43ef-8ac5-6e3964f4ed19" />
  </subject>
  <encounter>
    <reference value="Encounter/de9ffd61-bf84-4c7f-865f-cfdd3a0899b7" />
  </encounter>
  <effectiveDateTime value="1946-01-03T22:52:34-05:00" />
  <issued value="1946-01-03T22:52:34.375-05:00" />
  <valueCodeableConcept>
    <coding>
      <system value="http://loinc.org" />
      <code value="LA26819-5" />
      <display value="High expression" />
    </coding>
    <text value="High expression" />
  </valueCodeableConcept>
</Observation>