QI-Core Implementation Guide
4.1.0 - release

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## : Observation example - JSON Representation

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    {
      "resourceType" : "Observation",
      "id" : "example",
      "meta" : {
        "profile" : [
          "http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-observation"
        ]
      },
      "text" : {
        "status" : "extensions",
        "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 \"example\" </p><p style=\"margin-bottom: 0px\">Profile: <a href=\"StructureDefinition-qicore-observation.html\">QICoreObservation</a></p></div><p><b>bodyPosition</b>: Sitting position (finding) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#33586001)</span></p><p><b>delta</b>: Decreased (qualifier value) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#1250004)</span></p><p><b>status</b>: final</p><p><b>category</b>: Vital Signs <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/3.0.0/CodeSystem-observation-category.html\">Observation Category Codes</a>#vital-signs)</span></p><p><b>code</b>: Hemoglobin [Mass/volume] in Venous blood <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://loinc.org/\">LOINC</a>#30350-3)</span></p><p><b>subject</b>: <a href=\"Patient-example.html\">Patient/example</a> \" CHALMERS\"</p><p><b>encounter</b>: <a href=\"Encounter-example.html\">Encounter/example</a></p><p><b>effective</b>: 2013-04-02T10:30:10+01:00 --&gt; 2013-04-05T10:30:10+01:00</p><p><b>issued</b>: Apr 3, 2013 2:30:10 PM</p><p><b>value</b>: 7.2 g/dl<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code g/dL = 'g/dL')</span></p><p><b>interpretation</b>: Below low normal <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R4/v2/0078/index.html\">v2 ABNORMAL FLAGS</a>#L \"Low\")</span></p><p><b>bodySite</b>: Superficial forearm vein <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#308046002)</span></p><p><b>method</b>: Injection to forearm <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#120220003)</span></p><p><b>specimen</b>: <a href=\"Specimen-example.html\">Specimen/example</a></p><p><b>derivedFrom</b>: <a href=\"Observation-example.html\">Observation/example</a></p><blockquote><p><b>component</b></p><p><b>code</b>: Systolic blood pressure <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://loinc.org/\">LOINC</a>#8480-6; <a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#271649006; clinical-codes#bp-s \"Systolic Blood pressure\")</span></p><p><b>value</b>: 107 mmHg<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code mm[Hg] = 'mm[Hg]')</span></p><p><b>interpretation</b>: Normal <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R4/v2/0078/index.html\">v2 ABNORMAL FLAGS</a>#N \"normal\")</span></p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: Diastolic blood pressure <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://loinc.org/\">LOINC</a>#8462-4)</span></p><p><b>value</b>: 60 mmHg<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code mm[Hg] = 'mm[Hg]')</span></p><p><b>interpretation</b>: Below low normal <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://hl7.org/fhir/R4/v2/0078/index.html\">v2 ABNORMAL FLAGS</a>#L \"low\")</span></p></blockquote></div>"
      },
      "extension" : [
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/observation-bodyPosition",
          "valueCodeableConcept" : {
            "coding" : [
              {
                "system" : "http://snomed.info/sct",
                "code" : "33586001",
                "display" : "Sitting position (finding)"
              }
            ]
          }
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/observation-delta",
          "valueCodeableConcept" : {
            "coding" : [
              {
                "system" : "http://snomed.info/sct",
                "code" : "1250004",
                "display" : "Decreased (qualifier value)"
              }
            ]
          }
        }
      ],
      "status" : "final",
      "category" : [
        {
          "coding" : [
            {
              "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
              "code" : "vital-signs",
              "display" : "Vital Signs"
            }
          ]
        }
      ],
      "code" : {
        "coding" : [
          {
            "system" : "http://loinc.org",
            "code" : "30350-3",
            "display" : "Hemoglobin [Mass/volume] in Venous blood"
          }
        ]
      },
      "subject" : {
        "reference" : "Patient/example"
      },
      "encounter" : {
        "reference" : "Encounter/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",
      "valueQuantity" : {
        "value" : 7.2,
        "unit" : "g/dl",
        "system" : "http://unitsofmeasure.org",
        "code" : "g/dL"
      },
      "interpretation" : [
        {
          "coding" : [
            {
              "system" : "http://terminology.hl7.org/CodeSystem/v2-0078",
              "code" : "L",
              "display" : "Low"
            }
          ],
          "text" : "Below low normal"
        }
      ],
      "bodySite" : {
        "coding" : [
          {
            "system" : "http://snomed.info/sct",
            "code" : "308046002",
            "display" : "Superficial forearm vein"
          }
        ]
      },
      "method" : {
        "coding" : [
          {
            "system" : "http://snomed.info/sct",
            "code" : "120220003",
            "display" : "Injection to forearm"
          }
        ]
      },
      "specimen" : {
        "reference" : "Specimen/example"
      },
      "derivedFrom" : [
        {
          "reference" : "Observation/example"
        }
      ],
      "component" : [
        {
          "code" : {
            "coding" : [
              {
                "system" : "http://loinc.org",
                "code" : "8480-6",
                "display" : "Systolic blood pressure"
              },
              {
                "system" : "http://snomed.info/sct",
                "code" : "271649006",
                "display" : "Systolic blood pressure"
              },
              {
                "system" : "http://acme.org/devices/clinical-codes",
                "code" : "bp-s",
                "display" : "Systolic Blood pressure"
              }
            ]
          },
          "valueQuantity" : {
            "value" : 107,
            "unit" : "mmHg",
            "system" : "http://unitsofmeasure.org",
            "code" : "mm[Hg]"
          },
          "interpretation" : [
            {
              "coding" : [
                {
                  "system" : "http://terminology.hl7.org/CodeSystem/v2-0078",
                  "code" : "N",
                  "display" : "normal"
                }
              ],
              "text" : "Normal"
            }
          ]
        },
        {
          "code" : {
            "coding" : [
              {
                "system" : "http://loinc.org",
                "code" : "8462-4",
                "display" : "Diastolic blood pressure"
              }
            ]
          },
          "valueQuantity" : {
            "value" : 60,
            "unit" : "mmHg",
            "system" : "http://unitsofmeasure.org",
            "code" : "mm[Hg]"
          },
          "interpretation" : [
            {
              "coding" : [
                {
                  "system" : "http://terminology.hl7.org/CodeSystem/v2-0078",
                  "code" : "L",
                  "display" : "low"
                }
              ],
              "text" : "Below low normal"
            }
          ]
        }
      ]
    }