{
  "resourceType": "Observation",
  "id": "serum-co2",
  "meta": {
    "versionId": "962",
    "lastUpdated": "2016-03-09T15:29:57.477+00:00",
    "profile": [
      "http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-lab"
    ]
  },
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative</b></p><p><b>id</b>: serum-co2</p><p><b>meta</b>: </p><p></p><p><b>category</b>: <span title=\"Codes: {http://terminology.hl7.org/CodeSystem/observation-category laboratory}\">Laboratory</span></p><p><b>code</b>: <span title=\"Codes: {http://loinc.org 2028-9}\">CO2 SerPl-sCnc</span></p><p><b>subject</b>: <a href=\"Patient-example.html\">Amy Shaw. Generated Summary: id: example; Medical Record Number: 1032702 (USUAL); active; Amy V. Shaw , Amy V. Baxter ; ph: 555-555-5555(HOME), amy.shaw@example.com; gender: female; birthDate: 1987-02-20</a></p><p><b>effective</b>: 2005-07-05</p><p><b>value</b>: 24.0 mmol/L</p><h3>ReferenceRanges</h3><table class=\"grid\"><tr><td>-</td><td><b>Low</b></td><td><b>High</b></td><td><b>AppliesTo</b></td></tr><tr><td>*</td><td>22.0 mmol/L</td><td>29.0 mmol/L</td><td><span title=\"Codes: {http://terminology.hl7.org/CodeSystem/referencerange-meaning normal}\">Normal Range</span></td></tr></table></div>"
  },
  "status": "final",
  "category": [
    {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/observation-category",
          "code": "laboratory",
          "display": "Laboratory"
        }
      ],
      "text": "Laboratory"
    }
  ],
  "code": {
    "coding": [
      {
        "system": "http://loinc.org",
        "code": "2028-9",
        "display": "CO2 SerPl-sCnc"
      }
    ],
    "text": "CO2 SerPl-sCnc"
  },
  "subject": {
    "reference": "Patient/example",
    "display": "Amy Shaw"
  },
  "effectiveDateTime": "2005-07-05",
  "valueQuantity": {
    "value": 24.0,
    "unit": "mmol/L",
    "system": "http://unitsofmeasure.org"
  },
  "referenceRange": [
    {
      "low": {
        "value": 22.0,
        "unit": "mmol/L",
        "system": "http://unitsofmeasure.org",
        "code": "mmol/L"
      },
      "high": {
        "value": 29.0,
        "unit": "mmol/L",
        "system": "http://unitsofmeasure.org",
        "code": "mmol/L"
      },
      "appliesTo": [
        {
          "coding": [
            {
              "system": "http://terminology.hl7.org/CodeSystem/referencerange-meaning",
              "code": "normal",
              "display": "Normal Range"
            }
          ],
          "text": "Normal Range"
        }
      ]
    }
  ]
}