{

"resourceType": "ServiceRequest",
"id": "ft4",
"status": "active",
"intent": "reflex-order",
"code": {
  "coding": [
    {
      "system": "http://loinc.org",
      "code": "3024-7",
      "display": "Thyroxine (T4) free [Mass/​volume] in Serum or Plasma"
    }
  ],
  "text": "Free T4"
},
"subject": {
  "reference": "Patient/pat2"
},
"occurrenceDateTime": "2015-08-27T09:33:27+07:00",
"requester": {
  "reference": "Practitioner/example"
},
"meta": {
  "tag": [
    {
      "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
      "code": "HTEST",
      "display": "test health data"
    }
  ]
}

}