{
  "resourceType": "ObservationDefinition",
  "id": "example-ck-panel",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "oo"
    }
  ],
  "status": "active",
  "publisher": "HL7 International / Orders and Observations",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/orders"
        }
      ]
    }
  ],
  "category": [
    {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/observation-category",
          "code": "laboratory",
          "display": "Laboratory"
        }
      ]
    }
  ],
  "code": {
    "coding": [
      {
        "system": "http://loinc.org",
        "code": "32673-6",
        "display": "Creatine kinase.MB [Enzymatic activity/volume] in Serum or Plasma"
      }
    ],
    "text": "Creatine Kinase Panel"
  },
  "permittedDataType": [
    "Quantity"
  ],
  "multipleResultsAllowed": true,
  "preferredReportName": "Creatine Kinase, MB and Relative Percent",
  "qualifiedValue": [
    {
      "context": {
        "coding": [
          {
            "system": "http://terminology.hl7.org/CodeSystem/referencerange-meaning",
            "code": "normal",
            "display": "Normal Range"
          }
        ]
      },
      "rangeCategory": "reference"
    }
  ],
  "component": [
    {
      "code": {
        "coding": [
          {
            "system": "http://loinc.org",
            "code": "2157-6",
            "display": "Creatine kinase [Enzymatic activity/volume] in Serum or Plasma"
          }
        ],
        "text": "Creatine Kinase, Total"
      },
      "permittedDataType": [
        "Quantity"
      ],
      "permittedUnit": [
        {
          "system": "http://unitsofmeasure.org",
          "code": "U/L",
          "display": "U/L"
        }
      ],
      "qualifiedValue": [
        {
          "context": {
            "coding": [
              {
                "system": "http://terminology.hl7.org/CodeSystem/referencerange-meaning",
                "code": "normal",
                "display": "Normal Range"
              }
            ]
          },
          "rangeCategory": "reference",
          "range": {
            "low": {
              "value": 39,
              "unit": "U/L",
              "system": "http://unitsofmeasure.org",
              "code": "U/L"
            },
            "high": {
              "value": 308,
              "unit": "U/L",
              "system": "http://unitsofmeasure.org",
              "code": "U/L"
            }
          }
        }
      ]
    },
    {
      "code": {
        "coding": [
          {
            "system": "http://loinc.org",
            "code": "13969-1",
            "display": "Creatine kinase.MB [Mass/volume] in Serum or Plasma"
          }
        ],
        "text": "Creatine Kinase, Isoenzyme MB"
      },
      "permittedDataType": [
        "Quantity"
      ],
      "permittedUnit": [
        {
          "system": "http://unitsofmeasure.org",
          "code": "ng/mL",
          "display": "ng/mL"
        }
      ],
      "qualifiedValue": [
        {
          "context": {
            "coding": [
              {
                "system": "http://terminology.hl7.org/CodeSystem/referencerange-meaning",
                "code": "normal",
                "display": "Normal Range"
              }
            ]
          },
          "rangeCategory": "reference",
          "range": {
            "low": {
              "value": 0.0,
              "unit": "ng/mL",
              "system": "http://unitsofmeasure.org",
              "code": "ng/mL"
            },
            "high": {
              "value": 7.7,
              "unit": "ng/mL",
              "system": "http://unitsofmeasure.org",
              "code": "ng/mL"
            }
          }
        }
      ]
    },
    {
      "code": {
        "coding": [
          {
            "system": "http://loinc.org",
            "code": "20569-0",
            "display": "Creatine kinase.MB/Creatine kinase.total in Serum or Plasma"
          }
        ],
        "text": "CK-MB Relative Percent"
      },
      "permittedDataType": [
        "Quantity"
      ],
      "permittedUnit": [
        {
          "system": "http://unitsofmeasure.org",
          "code": "%",
          "display": "%"
        }
      ],
      "qualifiedValue": [
        {
          "context": {
            "coding": [
              {
                "system": "http://terminology.hl7.org/CodeSystem/referencerange-meaning",
                "code": "normal",
                "display": "Normal Range"
              }
            ]
          },
          "rangeCategory": "reference",
          "range": {
            "low": {
              "value": 0.0,
              "unit": "%",
              "system": "http://unitsofmeasure.org",
              "code": "%"
            },
            "high": {
              "value": 5.0,
              "unit": "%",
              "system": "http://unitsofmeasure.org",
              "code": "%"
            }
          }
        }
      ]
    }
  ],
  "meta": {
    "tag": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
        "code": "HTEST",
        "display": "test health data"
      }
    ]
  }
}