{
  "title": "Open Syndrome Dengue",
  "description": "Case definition for dengue surveillance based on chief complaints and multiple diagnostic coding systems",
  "scope": "broad",
  "category": "suspected",
  "version": "1.0.0",
  "open_syndrome_version": "1.0.0",
  "published_in": "https://opensyndrome.org",
  "published_at": "2025-01-29T12:00:00Z",
  "published_by": [
    "Open Syndrome Initiative"
  ],
  "location": "United States",
  "language": "English",
  "organization": "CDC",
  "inclusion_criteria": [
    {
      "type": "criterion",
      "logical_operator": "OR",
      "values": [
        {
          "type": "diagnosis",
          "name": "Dengue in chief complaint",
          "description": "Dengue word in chief complaint field",
          "operator": "regex",
          "regex_pattern": "dengue",
          "regex_flags": "i"
        },
        {
          "type": "diagnosis",
          "name": "Dengue fever",
          "description": "Dengue fever (A90) or Dengue hemorrhagic fever (A91)",
          "code": {
            "system": "ICD-10",
            "code": "A90"
          }
        },
        {
          "type": "diagnosis",
          "name": "Dengue hemorrhagic fever",
          "code": {
            "system": "ICD-10",
            "code": "A91"
          }
        },
        {
          "type": "diagnosis",
          "name": "Dengue",
          "code": {
            "system": "ICD-9",
            "code": "061",
            "display": "Dengue"
          }
        },
        {
          "type": "diagnosis",
          "name": "Dengue",
          "code": {
            "system": "SNOMED-CT",
            "code": "38362002",
            "display": "Dengue"
          }
        },
        {
          "type": "diagnosis",
          "name": "Severe Dengue",
          "code": {
            "system": "SNOMED-CT",
            "code": "20927009",
            "display": "Severe Dengue"
          }
        },
        {
          "type": "diagnosis",
          "name": "Dengue shock syndrome",
          "code": {
            "system": "SNOMED-CT",
            "code": "409671005",
            "display": "Dengue shock syndrome"
          }
        },
        {
          "type": "diagnosis",
          "name": "Myelitis caused by Dengue virus",
          "code": {
            "system": "SNOMED-CT",
            "code": "866057003",
            "display": "Myelitis caused by Dengue virus"
          }
        },
        {
          "type": "diagnosis",
          "name": "Encephalitis caused by Dengue virus",
          "code": {
            "system": "SNOMED-CT",
            "code": "1163101003",
            "display": "Encephalitis caused by Dengue virus"
          }
        }
      ]
    }
  ],
  "references": [
    {
      "citation": "Dengue Case Definition v1",
      "url": "https://knowledgerepository.syndromicsurveillance.org/dengue-v1"
    }
  ],
  "notes": [
    "Case definition based on Chief Complaint Discharge Diagnosis (CCDD) parsed field",
    "No exclusion terms or codes are used in this query"
  ],
  "status": "draft",
  "human_readable_definition": "",
  "target_public_health_threats": [
    "Dengue"
  ],
  "keywords": [
    "Dengue",
    "North America",
    "Arbovirus"
  ],
  "definition_type": "case_definition"
}