{
  "status" : "final",
  "category" : {
    "text" : "Laboratory",
    "coding" : [
      {
        "system" : "http://hl7.org/fhir/observation-category",
        "display" : "Laboratory",
        "code" : "laboratory"
      }
    ]
  },
  "issued" : "2015-10-19T17:34:00Z",
  "id" : "TrkEmLd0nR8E4XbvplkLNaUzt826255gwD2ZjxJOqpZ8B",
  "code" : {
    "text" : "RUBEOLA IGG",
    "coding" : [
      {
        "system" : "http://loinc.org",
        "display" : "Measles virus IgG Ab [Units/volume] in Serum",
        "code" : "7962-4"
      }
    ]
  },
  "valueQuantity" : {
    "value" : 1.61,
    "unit" : "OD Ratio"
  },
  "subject" : {
    "display" : "Lopez, James",
    "reference" : "https://apiservices.sutterhealth.org/ifs/api/FHIR/DSTU2/Patient/Tbjbfj8w94HFwJ-ekeTNN.e1WrM6guoKJdhNrHG7dSfUB"
  },
  "comments" : "Immune \r\n                                 \r\nNon-Immune  < or = 0.90\r\nEquivocal   0.91 - 1.09\r\nImmune      > or = 1.10\r\n                                 \r\nA positive result (OD ratio greater than or equal to 1.10) indicates that the \r\npatient has antibody to rubeola (measles) and implies immunity. It does not \r\ndifferentiate between an active or past infection or vaccination. The clinical\r\n significance of this result must be determined in conjunction with clinical \r\nsigns and symptoms of the patient.\r\n",
  "effectiveDateTime" : "2015-10-19T17:34:00Z",
  "referenceRange" : [
    {
      "text" : ">1.09"
    }
  ],
  "resourceType" : "Observation"
}