<?xml version=“1.0” encoding=“UTF-8”?> <Observation xmlns=“hl7.org/fhir”>
<id value="head-circumference"/> <meta> <profile value="http://hl7.org/fhir/StructureDefinition/vitalsigns"/> <security> <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/> <code value="HTEST"/> <display value="test health data"/> </security> </meta> <status value="final"/> <category> <coding> <system value="http://terminology.hl7.org/CodeSystem/observation-category"/> <code value="vital-signs"/> <display value="Vital Signs"/> </coding> <text value="Vital Signs"/> </category> <code> <coding> <system value="http://loinc.org"/> <code value="9843-4"/> <display value="Head Occipital-frontal circumference"/> </coding> <text value="Head Circumference"/> </code> <subject> <reference value="Patient/example"/> </subject> <effectiveDateTime value="1999-07-02"/> <valueQuantity> <value value="51.2"/> <unit value="cm"/> <system value="http://unitsofmeasure.org"/> <code value="cm"/> </valueQuantity>
</Observation>