Using CQL with FHIR, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 1.1.0-cibuild built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/cql-ig/ and changes regularly. See the Directory of published versions

• Narrative Content
• XML
• JSON

: Example Negation Observation - JSON Representation

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{
  "resourceType" : "Observation",
  "id" : "negation-example",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: Observation </b><a name=\"negation-example\"> </a><a name=\"hcnegation-example\"> </a></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\">ResourceObservation &quot;negation-example&quot; </p></div><p><b>status</b>: cancelled</p><p><b>category</b>: Laboratory <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-observation-category.html\">Observation Category Codes</a>#laboratory)</span></p><p><b>code</b>: Not Done Value Set: Hemoglobin lab test <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (Not done value set: <a href=\"http://cts.nlm.nih.gov/fhir/2.16.840.1.113762.1.4.1045.131\">http://cts.nlm.nih.gov/fhir/2.16.840.1.113762.1.4.1045.131</a>)</span></p><p><b>subject</b>: <a href=\"Patient-example.html\">Patient/example</a> &quot; ASDF&quot;</p><p><b>effective</b>: 2013-04-02 10:30:10+0100 --&gt; 2013-04-05 10:30:10+0100</p><p><b>issued</b>: Apr 3, 2013, 2:30:10\u202fPM</p></div>"
  },
  "status" : "cancelled",
  "category" : [
    {
      "coding" : [
        {
          "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
          "code" : "laboratory",
          "display" : "Laboratory"
        }
      ]
    }
  ],
  "code" : {
    "extension" : [
      {
        "url" : "http://hl7.org/fhir/StructureDefinition/cqf-notDoneValueSet",
        "valueCanonical" : "http://cts.nlm.nih.gov/fhir/2.16.840.1.113762.1.4.1045.131"
      }
    ],
    "text" : "Not Done Value Set: Hemoglobin lab test"
  },
  "subject" : {
    🔗 "reference" : "Patient/example"
  },
  "effectivePeriod" : {
    "start" : "2013-04-02T10:30:10+01:00",
    "end" : "2013-04-05T10:30:10+01:00"
  },
  "issued" : "2013-04-03T15:30:10+01:00"
}