{
"resourceType": "Observation", "id": "bmi-using-related", "status": "final", "category": [ { "coding": [ { "system": "http://terminology.hl7.org/CodeSystem/observation-category", "code": "vital-signs", "display": "Vital Signs" } ], "text": "Vital Signs" } ], "code": { "coding": [ { "system": "http://loinc.org", "code": "39156-5", "display": "Body mass index (BMI) [Ratio]" } ], "text": "BMI" }, "subject": { "reference": "Patient/example" }, "effectiveDateTime": "1999-07-02", "valueQuantity": { "value": 16.2, "unit": "kg/m2", "system": "http://unitsofmeasure.org", "code": "kg/m2" }, "derivedFrom": [ { "reference": "Observation/bodyheight", "display": "Body Height" }, { "reference": "Observation/example", "display": "Body Weight" } ], "meta": { "tag": [ { "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason", "code": "HTEST", "display": "test health data" } ] }
}