{"code":"A83.8","type":"code","title":"Other mosquito-borne viral encephalitis","codeAlso":[],"includes":["mosquito-borne viral meningoencephalitis"],"modern_v":"official26","codeFirst":[],"excludes1":["postpolio syndrome (G14)","sequelae of poliomyelitis (B91)","sequelae of viral encephalitis (B94.1)"],"excludes2":["Venezuelan equine encephalitis (A92.2)","West Nile fever (A92.3-)","West Nile virus (A92.3-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["A83","A83.0","A83.1","A83.2","A83.3","A83.4","A83.5","A83.6","A83.9"],"inclusionTerms":[],"sibling_titles":{"code":"A83.9","title":"Mosquito-borne viral encephalitis, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Other mosquito-borne viral encephalitis is a billable ICD-10-CM diagnosis code (A83.8). Includes: mosquito-borne viral meningoencephalitis. Excludes1 (not coded here): postpolio syndrome (G14); sequelae of poliomyelitis (B91); sequelae of viral encephalitis (B94.1). Excludes2 (not included here): Venezuelan equine encephalitis (A92.2); West Nile fever (A92.3-); West Nile virus (A92.3-).","officialDefinition":"Other mosquito-borne viral encephalitis is a billable ICD-10-CM diagnosis code (A83.8). Includes: mosquito-borne viral meningoencephalitis. Excludes1 (not coded here): postpolio syndrome (G14); sequelae of poliomyelitis (B91); sequelae of viral encephalitis (B94.1). Excludes2 (not included here): Venezuelan equine encephalitis (A92.2); West Nile fever (A92.3-); West Nile virus (A92.3-).","seventhCharacterInstructions":[],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}