<?xml version="1.0" encoding="UTF-8"?>

<Observation xmlns="http://hl7.org/fhir">
  <id value="ISS-IsolationFactor-CircadianDrift"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: Observation ISS-IsolationFactor-CircadianDrift</b></p><a name="ISS-IsolationFactor-CircadianDrift"> </a><a name="hcISS-IsolationFactor-CircadianDrift"> </a><p><b>status</b>: Final</p><p><b>category</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/observation-category survey}">Survey</span></p><p><b>code</b>: <span title="Codes:{http://hl7.org/fhir/uv/aerospace/CodeSystem/isolation-syndrome-factor-cs circadian-drift}">Circadian drift</span></p><p><b>subject</b>: <a href="Patient/AstronautExample">Patient/AstronautExample</a></p><p><b>effective</b>: 2025-06-05 22:00:00+0000</p><p><b>value</b>: 8 {score}<span style="background: LightGoldenRodYellow"> (Details: UCUM  code{score} = '{score}')</span></p></div>
  </text>
  <status value="final"/>
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/observation-category"/>
      <code value="survey"/>
      <display value="Survey"/>
    </coding>
  </category>
  <code>
    <coding>
      <system value="http://hl7.org/fhir/uv/aerospace/CodeSystem/isolation-syndrome-factor-cs"/>
      <code value="circadian-drift"/>
      <display value="Circadian drift"/>
    </coding>
  </code>
  <subject>
    <reference value="Patient/AstronautExample"/>
  </subject>
  <effectiveDateTime value="2025-06-05T22:00:00Z"/>
  <valueQuantity>
    <value value="8"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="{score}"/>
  </valueQuantity>
</Observation>