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ICD-10-CM Diagnosis Code A83.1

Effective Date: 10/01/2015 To 09/30/2025

Western equine encephalitis

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
-- -- -- -- -- -- Acute Yes
Back-references to A83.1
  • Encephalitis(chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
    • Western equine A83.1
      • equine(acute) (infectious) (viral) A83.9
        • Western A83.1
        • viral, virus A86
          • arthropod-borne NEC A85.2
            • mosquito-borne A83.9
              • Western equine A83.1
        • Encephalomyelitis see also Encephalitis G04.90
          • equine A83.9
            • Western A83.1
          • Chapter, Section and Diagnosis Prefix for A83.1
              A00-B99 :

              Certain infectious and parasitic diseases

              A80-A89 :

              Viral and prion infections of the central nervous system

              A83 :

              Mosquito-borne viral encephalitis