{
  "resourceType" : "Observation",
  "id" : "serum-potassium",
  "meta" : {
    "lastUpdated" : "2005-07-05T15:29:58.597000+00:00",
    "profile" : ["http://hl7.org/fhir/us/core/StructureDefinition/us-core-observation-lab|9.0.0-ballot"]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: Observation serum-potassium</b></p><a name=\"serum-potassium\"> </a><a name=\"hcserum-potassium\"> </a><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\">Last updated: 2005-07-05 15:29:58+0000</p><p style=\"margin-bottom: 0px\">Profile: <a href=\"StructureDefinition-us-core-observation-lab.html\">US Core Laboratory Result Observation Profileversion: null9.0.0-ballot)</a></p></div><p><b>status</b>: Final</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 2823-3}\">Potassium, Blood</span></p><p><b>subject</b>: <a href=\"Patient-example.html\">Amy Shaw</a></p><p><b>effective</b>: 2005-07-05</p><p><b>performer</b>: <a href=\"Practitioner-practitioner-1.html\">Dr Ronald Bone</a></p><p><b>value</b>: 5.4 mmol/L<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM  codemmol/L = 'mmol/L')</span></p><p><b>interpretation</b>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation N}\">Normal</span></p><p><b>specimen</b>: <a href=\"Specimen-specimen-example-serum.html\">Serum specimen</a></p><h3>ReferenceRanges</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Low</b></td><td><b>High</b></td><td><b>Type</b></td></tr><tr><td style=\"display: none\">*</td><td>3.5 mmol/L<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM  codemmol/L = 'mmol/L')</span></td><td>5.5 mmol/L<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM  codemmol/L = 'mmol/L')</span></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" : "2823-3",
      "display" : "Potassium SerPl-sCnc"
    }],
    "text" : "Potassium, Blood"
  },
  "subject" : {
    "reference" : "Patient/example",
    "display" : "Amy Shaw"
  },
  "effectiveDateTime" : "2005-07-05",
  "performer" : [{
    "reference" : "Practitioner/practitioner-1",
    "display" : "Dr Ronald Bone"
  }],
  "valueQuantity" : {
    "value" : 5.4,
    "unit" : "mmol/L",
    "system" : "http://unitsofmeasure.org",
    "code" : "mmol/L"
  },
  "interpretation" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationInterpretation",
      "code" : "N",
      "display" : "Normal"
    }],
    "text" : "Normal"
  }],
  "specimen" : {
    "reference" : "Specimen/specimen-example-serum",
    "display" : "Serum specimen"
  },
  "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"
    }
  }]
}