Viral and prion infections of the central nervous system (A80-A89)
A85: Other viral encephalitis, not elsewhere classified

includes
specified viral encephalomyelitis NEC
specified viral meningoencephalitis NEC

excludes1
benign myalgic encephalomyelitis (G93.3)
encephalitis due to cytomegalovirus (B25.8)
encephalitis due to herpesvirus NEC (B10.0-)
encephalitis due to herpesvirus [herpes simplex] (B00.4)
encephalitis due to measles virus (B05.0)
encephalitis due to mumps virus (B26.2)
encephalitis due to poliomyelitis virus (A80.-)
encephalitis due to zoster (B02.0)
lymphocytic choriomeningitis (A87.2)
A85.0: Enteroviral encephalitis
A85.1: Adenoviral encephalitis
A85.2: Arthropod-borne viral encephalitis, unspecified
A85.8: Other specified viral encephalitis

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