{
  "id" : "M39451047063",
  "category" : {
    "text" : "Laboratory",
    "coding" : [
      {
        "system" : "http://hl7.org/fhir/observation-category",
        "display" : "Laboratory",
        "code" : "laboratory"
      }
    ]
  },
  "subject" : {
    "reference" : "Patient/85632757"
  },
  "encounter" : {
    "reference" : "Encounter/647296834"
  },
  "effectiveDateTime" : "2021-08-11T10:27:00.000Z",
  "resourceType" : "Observation",
  "comments" : "The testing method is an immunoassay manufactured by Beckman Coulter Inc.  Values obtained with different assay methods may be different and cannot be used interchangeably.\u0000",
  "code" : {
    "text" : "Vitamin B12 Level",
    "coding" : [
      {
        "system" : "http://loinc.org",
        "code" : "2132-9"
      },
      {
        "system" : "http://loinc.org",
        "code" : "2132-9"
      }
    ]
  },
  "referenceRange" : [
    {
      "low" : {
        "code" : "pg/mL",
        "value" : 180,
        "system" : "http://unitsofmeasure.org",
        "unit" : "pg/mL"
      },
      "high" : {
        "code" : "pg/mL",
        "value" : 914,
        "system" : "http://unitsofmeasure.org",
        "unit" : "pg/mL"
      },
      "text" : "180 pg/mL-914 pg/mL"
    }
  ],
  "meta" : {
    "versionId" : "2-39451520845",
    "lastUpdated" : "2021-08-11T21:27:49.000Z"
  },
  "text" : {
    "status" : "generated",
    "div" : "<div><p><b>Observation</b></p><p><b>Patient</b>: 85632757</p><p><b>Status</b>: Final</p><p><b>Category</b>: Laboratory</p><p><b>Code</b>: Vitamin B12 Level</p><p><b>Result</b>: 227 pg/mL</p><p><b>Date</b>: Aug 11, 2021 10:27 A.M. UTC</p><p><b>Risk Level Detail</b>: 180 pg/mL-914 pg/mL</p></div>"
  },
  "valueQuantity" : {
    "code" : "pg/mL",
    "value" : 227,
    "system" : "http://unitsofmeasure.org",
    "unit" : "pg/mL"
  },
  "status" : "final",
  "issued" : "2021-08-11T20:41:18.000Z"
}