{"category":[{"coding":[{"code":"vital-signs","display":"Vital Signs","system":"http://terminology.hl7.org/CodeSystem/observation-category"}],"text":"Vital Signs"}],"code":{"coding":[{"code":"9843-4","display":"Head Occipital-frontal circumference","system":"http://loinc.org"}],"text":"Head Circumference"},"effectiveDateTime":"1999-07-02","id":"head-circumference","meta":{"profile":["http://hl7.org/fhir/StructureDefinition/vitalsigns"]},"resourceType":"Observation","status":"final","subject":{"reference":"Patient/example"},"valueQuantity":{"code":"cm","system":"http://unitsofmeasure.org","unit":"cm","value":51.2}}