{
  "resourceType": "Observation",
  "id": "serum-potassium",
  "meta": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/StructureDefinition/instance-name",
        "valueString": "Serum Potassium Example"
      },
      {
        "url": "http://hl7.org/fhir/StructureDefinition/instance-description",
        "valueMarkdown": "This is a serum potassium example for the *US Core Observation Lab Profile*."
      }
    ],
    "versionId": "938",
    "lastUpdated": "2016-03-09T15:29:57.376+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><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Resource \"serum-potassium\" Version \"938\" Updated \"2016-03-09 03:29:57+0000\" </p><p style=\"margin-bottom: 0px\">Profile: <a href=\"StructureDefinition-us-core-observation-lab.html\">US Core Laboratory Result Observation Profile</a></p></div><p><b>status</b>: final</p><p><b>category</b>: Laboratory <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/3.1.0/CodeSystem-observation-category.html\">Observation Category Codes</a>#laboratory)</span></p><p><b>code</b>: Potassium SerPl-sCnc <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://loinc.org/\">LOINC</a>#2823-3)</span></p><p><b>subject</b>: <a href=\"Patient-example.html\">Patient/example: Amy Shaw</a> \" SHAW\"</p><p><b>effective</b>: 2005-07-05</p><p><b>value</b>: 5.4 mmol/L</p><h3>ReferenceRanges</h3><table class=\"grid\"><tr><td>-</td><td><b>Low</b></td><td><b>High</b></td><td><b>Type</b></td></tr><tr><td>*</td><td>3.5 mmol/L<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code mmol/L = 'mmol/L')</span></td><td>5.5 mmol/L<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code mmol/L = 'mmol/L')</span></td><td>Normal Range <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/3.1.0/CodeSystem-referencerange-meaning.html\">Observation Reference Range Meaning Codes</a>#normal)</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": "2823-3",
        "display": "Potassium SerPl-sCnc"
      }
    ],
    "text": "Potassium SerPl-sCnc"
  },
  "subject": {
    "reference": "Patient/example",
    "display": "Amy Shaw"
  },
  "effectiveDateTime": "2005-07-05",
  "valueQuantity": {
    "value": 5.4,
    "unit": "mmol/L",
    "system": "http://unitsofmeasure.org"
  },
  "referenceRange": [
    {
      "low": {
        "value": 3.5,
        "unit": "mmol/L",
        "system": "http://unitsofmeasure.org",
        "code": "mmol/L"
      },
      "high": {
        "value": 5.5,
        "unit": "mmol/L",
        "system": "http://unitsofmeasure.org",
        "code": "mmol/L"
      },
      "type": {
        "coding": [
          {
            "system": "http://terminology.hl7.org/CodeSystem/referencerange-meaning",
            "code": "normal",
            "display": "Normal Range"
          }
        ],
        "text": "Normal Range"
      }
    }
  ]
}