Viral and prion infections of the central nervous system (A80-A89)
A83: 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-)
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

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