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G04.90 Encephalitis and encephalomyelitis, unspecified
BackG04Encephalitis, myelitis and encephalomyelitisCategory6 →G04.0Acute disseminated encephalitis and encephalomyelitis (ADEM)Category3 →G04.00Acute disseminated encephalitis and encephalomyelitis, unspecifiedCategoryG04.01Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)CategoryG04.02Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitisCategoryG04.1Tropical spastic paraplegiaCategoryG04.2Bacterial meningoencephalitis and meningomyelitis, not elsewhere classifiedCategoryG04.3Acute necrotizing hemorrhagic encephalopathyCategory4 →G04.30Acute necrotizing hemorrhagic encephalopathy, unspecifiedCategoryG04.31Postinfectious acute necrotizing hemorrhagic encephalopathyCategoryG04.32Postimmunization acute necrotizing hemorrhagic encephalopathyCategoryG04.39Other acute necrotizing hemorrhagic encephalopathyCategoryG04.8Other encephalitis, myelitis and encephalomyelitisCategory3 →G04.81Other encephalitis and encephalomyelitisCategoryG04.82Acute flaccid myelitisCategoryG04.89Other myelitisCategoryG04.9Encephalitis, myelitis and encephalomyelitis, unspecifiedCategory2 →G04.90Encephalitis and encephalomyelitis, unspecifiedCategoryG04.91Myelitis, unspecifiedCategory
CategoryCODABLE
G04.90
Encephalitis and encephalomyelitis, unspecified
EXAMPLES
Ventriculitis (cerebral) NOS
- Chapter
- VI · Diseases of the nervous system
- Section
- G00-G09
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.