| ICD-10 Code | Description |
| G04.00 | Acute disseminated encephalitis and encephalomyelitis, unspecified |
| G04.01 | Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM) |
| G04.02 | Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis |
| G04.1 | Tropical spastic paraplegia |
| G04.2 | Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified |
| G04.30 | Acute necrotizing hemorrhagic encephalopathy, unspecified |
| G04.31 | Postinfectious acute necrotizing hemorrhagic encephalopathy |
| G04.32 | Postimmunization acute necrotizing hemorrhagic encephalopathy |
| G04.39 | Other acute necrotizing hemorrhagic encephalopathy |
| G04.81 | Other encephalitis and encephalomyelitis |
| G04.82 | Acute flaccid myelitis |
| G04.89 | Other myelitis |
| G04.90 | Encephalitis and encephalomyelitis, unspecified |
| G04.91 | Myelitis, unspecified |
