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A83 - Mosquito-borne viral encephalitis


The ICD 10 Code for Mosquito-borne viral encephalitis is listed as A83.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: A83
Description: Mosquito-borne viral encephalitis
  • Includes: mosquito-borne viral meningoencephalitis
  • Excludes2: Venezuelan equine encephalitis (A92.2)
  • West Nile fever (A92.3-)
  • West Nile virus (A92.3-)
Chapter Certain infectious and parasitic diseases (A00-B99)
ICD-10-CM Children (deeper level / typically more specific) of A83:
A83.0 - Japanese encephalitis
A83.1 - Western equine encephalitis
A83.2 - Eastern equine encephalitis
A83.3 - St Louis encephalitis
A83.4 - Australian encephalitis
A83.5 - California encephalitis
A83.6 - Rocio virus disease
A83.8 - Other mosquito-borne viral encephalitis
A83.9 - Mosquito-borne viral encephalitis, unspecified