{

"resourceType": "Observation",
"id": "bmd",
"status": "final",
"code": {
  "coding": [
    {
      "system": "http://loinc.org",
      "code": "24701-5",
      "display": "Femur DXA Bone density"
    }
  ],
  "text": "BMD - Left Femur"
},
"subject": {
  "reference": "Patient/pat2"
},
"performer": [
  {
    "reference": "Organization/1832473e-2fe0-452d-abe9-3cdb9879522f",
    "display": "Acme Imaging Diagnostics"
  }
],
"valueQuantity": {
  "value": 0.887,
  "unit": "g/cm²",
  "system": "http://unitsofmeasure.org",
  "code": "g/cm-2"
},
"bodySite": {
  "coding": [
    {
      "system": "http://snomed.info/sct",
      "code": "71341001:272741003=7771000"
    }
  ],
  "text": "Left Femur"
},
"meta": {
  "tag": [
    {
      "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
      "code": "HTEST",
      "display": "test health data"
    }
  ]
}

}