{
  "resourceType" : "ServiceRequest",
  "id" : "ft4",
  "status" : "active",
  "intent" : "reflex-order",
  "code" : {
    "concept" : {
      "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"
  }
}