FHIR R4 Symptoms Implementation Guide
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FHIR R4 Symptoms Implementation Guide, published by HL7 International / Clinical Interoperability Council. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-symptoms-ig/ and changes regularly. See the Directory of published versions

: DizzinessSymptom - JSON Representation

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{
  "resourceType" : "Observation",
  "id" : "DizzinessSymptom",
  "meta" : {
    "profile" : [
      🔗 "http://hl7.org/fhir/uv/symptoms/StructureDefinition/SymptomObservation"
    ]
  },
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: Observation DizzinessSymptom</b></p><a name=\"DizzinessSymptom\"> </a><a name=\"hcDizzinessSymptom\"> </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\"/><p style=\"margin-bottom: 0px\">Profile: <a href=\"StructureDefinition-SymptomObservation.html\">Symptom Observation</a></p></div><p><b>Supporting info</b>: <a href=\"Observation-HearingLossSymptom.html\">Observation Symptom</a></p><p><b>status</b>: Final</p><p><b>category</b>: <span title=\"Codes:{http://hl7.org/fhir/uv/symptoms/CodeSystem/SymptomTemporary symptom}\">Symptom</span></p><p><b>code</b>: <span title=\"Codes:{http://loinc.org 75325-1}\">Symptom</span></p><p><b>subject</b>: <a href=\"Patient-JohnDoe.html\">John Doe  Male, DoB: 1953-02-21</a></p><p><b>effective</b>: 2025-09-25 13:22:17+0200 --&gt; 2025-10-16 13:42:17+0200</p><p><b>issued</b>: 2025-10-16 13:42:17+0200</p><p><b>performer</b>: <a href=\"Patient-JohnDoe.html\">John Doe  Male, DoB: 1953-02-21</a></p><p><b>value</b>: <span title=\"Codes:{http://snomed.info/sct 404640003}\">Dizziness (finding)</span></p><p><b>bodySite</b>: <span title=\"Codes:{http://snomed.info/sct 69536005}\">Head structure</span></p><blockquote><p><b>component</b></p><p><b>code</b>: <span title=\"Codes:{http://loinc.org 64750-3}\">Severity of symptoms</span></p><p><b>value</b>: <span title=\"Codes:{http://snomed.info/sct 371923003}\">Mild to moderate (qualifier value)</span></p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: <span title=\"Codes:{http://loinc.org 89253-9}\">Trend</span></p><p><b>value</b>: <span title=\"Codes:{http://snomed.info/sct 35105006}\">Increased</span></p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: <span title=\"Codes:{http://loinc.org 100752-5}\">Exacerbating factors - Reported</span></p><p><b>value</b>: <span title=\"Codes:{http://snomed.info/sct 303385001}\">Changes position</span></p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: <span title=\"Codes:{http://loinc.org 100753-3}\">Alleviating factors - Reported</span></p><p><b>value</b>: <span title=\"Codes:{http://snomed.info/sct 128975004}\">Resting state</span></p></blockquote><blockquote><p><b>component</b></p><p><b>code</b>: <span title=\"Codes:{http://loinc.org 104156-5}\">Condition frequency - Reported</span></p><p><b>value</b>: <span title=\"Codes:{http://snomed.info/sct 70232002}\">Frequent</span></p></blockquote><blockquote><p><b>component</b></p><p><b>Note</b>: @2025-10-16</p><blockquote><div><p>Not alleviated by rest</p>\n</div></blockquote><p><b>code</b>: <span title=\"Codes:{http://hl7.org/fhir/uv/symptoms/CodeSystem/SymptomTemporary OTHEREVENT}\">Other Events</span></p><p><b>value</b>: <span title=\"Codes:{http://snomed.info/sct 128975004}\">Resting state</span></p></blockquote></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/workflow-supportingInfo",
      "valueReference" : {
        🔗 "reference" : "Observation/HearingLossSymptom"
      }
    }
  ],
  "status" : "final",
  "category" : [
    {
      "coding" : [
        {
          "system" : "http://hl7.org/fhir/uv/symptoms/CodeSystem/SymptomTemporary",
          "code" : "symptom"
        }
      ]
    }
  ],
  "code" : {
    "coding" : [
      {
        "system" : "http://loinc.org",
        "code" : "75325-1",
        "display" : "Symptom"
      }
    ]
  },
  "subject" : {
    🔗 "reference" : "Patient/JohnDoe"
  },
  "effectivePeriod" : {
    "start" : "2025-09-25T13:22:17.239+02:00",
    "end" : "2025-10-16T13:42:17.239+02:00"
  },
  "issued" : "2025-10-16T13:42:17.239+02:00",
  "performer" : [
    {
      🔗 "reference" : "Patient/JohnDoe"
    }
  ],
  "valueCodeableConcept" : {
    "coding" : [
      {
        "system" : "http://snomed.info/sct",
        "code" : "404640003"
      }
    ],
    "text" : "Dizziness (finding)"
  },
  "bodySite" : {
    "coding" : [
      {
        "system" : "http://snomed.info/sct",
        "code" : "69536005",
        "display" : "Head structure"
      }
    ]
  },
  "component" : [
    {
      "code" : {
        "coding" : [
          {
            "system" : "http://loinc.org",
            "code" : "64750-3",
            "display" : "Severity of symptoms"
          }
        ]
      },
      "valueCodeableConcept" : {
        "coding" : [
          {
            "system" : "http://snomed.info/sct",
            "code" : "371923003"
          }
        ]
      }
    },
    {
      "code" : {
        "coding" : [
          {
            "system" : "http://loinc.org",
            "code" : "89253-9",
            "display" : "Trend"
          }
        ]
      },
      "valueCodeableConcept" : {
        "coding" : [
          {
            "system" : "http://snomed.info/sct",
            "code" : "35105006"
          }
        ]
      }
    },
    {
      "code" : {
        "coding" : [
          {
            "system" : "http://loinc.org",
            "code" : "100752-5",
            "display" : "Exacerbating factors - Reported"
          }
        ]
      },
      "valueCodeableConcept" : {
        "coding" : [
          {
            "system" : "http://snomed.info/sct",
            "code" : "303385001"
          }
        ]
      }
    },
    {
      "code" : {
        "coding" : [
          {
            "system" : "http://loinc.org",
            "code" : "100753-3",
            "display" : "Alleviating factors - Reported"
          }
        ]
      },
      "valueCodeableConcept" : {
        "coding" : [
          {
            "system" : "http://snomed.info/sct",
            "code" : "128975004"
          }
        ]
      }
    },
    {
      "code" : {
        "coding" : [
          {
            "system" : "http://loinc.org",
            "code" : "104156-5",
            "display" : "Condition frequency - Reported"
          }
        ]
      },
      "valueCodeableConcept" : {
        "coding" : [
          {
            "system" : "http://snomed.info/sct",
            "code" : "70232002"
          }
        ]
      }
    },
    {
      "extension" : [
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/note",
          "valueAnnotation" : {
            "time" : "2025-10-16",
            "text" : "Not alleviated by rest"
          }
        }
      ],
      "code" : {
        "coding" : [
          {
            "system" : "http://hl7.org/fhir/uv/symptoms/CodeSystem/SymptomTemporary",
            "code" : "OTHEREVENT"
          }
        ]
      },
      "valueCodeableConcept" : {
        "coding" : [
          {
            "system" : "http://snomed.info/sct",
            "code" : "128975004"
          }
        ]
      }
    }
  ]
}