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

<Observation xmlns="http://hl7.org/fhir">
  <id value="observation-based-on-service-example"/>
  <meta>
    <profile value="http://doh.gov.ph/fhir/ph-core/StructureDefinition/ph-core-observation"/>
  </meta>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml">Hemoglobin A1c: 6.2% (Normal) for Juan Dela Cruz based on diabetes monitoring request.</div>
  </text>
  <basedOn>
    <reference value="ServiceRequest/servicerequest-single-example"/>
  </basedOn>
  <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="4548-4"/>
      <display value="Hemoglobin A1c/Hemoglobin.total in Blood"/>
    </coding>
  </code>
  <subject>
    <reference value="Patient/patient-single-example"/>
  </subject>
  <effectiveDateTime value="2024-03-10T10:00:00Z"/>
  <performer>
    <reference value="Organization/organization-single-example"/>
  </performer>
  <valueQuantity>
    <value value="6.2"/>
    <unit value="%"/>
    <system value="http://unitsofmeasure.org"/>
    <code value="%"/>
  </valueQuantity>
  <interpretation>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation"/>
      <code value="N"/>
      <display value="Normal"/>
    </coding>
  </interpretation>
</Observation>