{
  "resourceType" : "Observation",
  "id" : "janusync-observation-hosp-wo-examcode-example",
  "meta" : {
    "profile" : ["http://connectdtx.kr/fhir/StructureDefinition/janusync-dtx-observation"]
  },
  "status" : "final",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "activity",
      "display" : "Activity"
    }]
  }],
  "code" : {
    "text" : "ISI (Insomnia Severity Index) score"
  },
  "subject" : {
    "reference" : "Patient/janusync-patient-example"
  },
  "effectiveDateTime" : "2000-01-01T14:05:00+09:00",
  "valueRatio" : {
    "numerator" : {
      "value" : 14
    },
    "denominator" : {
      "value" : 28
    }
  }
}