1. A92 Other mosquito-borne viral fevers


    • Ross River disease (B33.1)
    1. A92.0 Chikungunya virus disease

      Inclusion term(s):

      • Chikungunya (hemorrhagic) fever
    2. A92.1 O'nyong-nyong fever

    3. A92.2 Venezuelan equine fever

      Inclusion term(s):

      • Venezuelan equine encephalitis
      • Venezuelan equine encephalomyelitis virus disease
    4. A92.3 West Nile virus infection

      Inclusion term(s):

      • West Nile fever
      1. A92.30 West Nile virus infection, unspecified

        Inclusion term(s):

        • West Nile fever NOS
        • West Nile fever without complications
        • West Nile virus NOS
      2. A92.31 West Nile virus infection with encephalitis

        Inclusion term(s):

        • West Nile encephalitis
        • West Nile encephalomyelitis
      3. A92.32 West Nile virus infection with other neurologic manifestation

      4. A92.39 West Nile virus infection with other complications

    5. A92.4 Rift Valley fever

    6. A92.5 Zika virus disease

      Inclusion term(s):

      • Zika virus fever
      • Zika virus infection
      • Zika NOS
    7. A92.8 Other specified mosquito-borne viral fevers

    8. A92.9 Mosquito-borne viral fever, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.