323 Encephalitis myelitis and encephalomyelitis 
323.0 Encephalitis, myelitis, and encephalomyelitis in viral diseases classified elsewhere 
323.01 Encephalitis and encephalomyelitis in viral diseases classified elsewhere convert 323.01 to ICD-10-CM
323.02 Myelitis in viral diseases classified elsewhere convert 323.02 to ICD-10-CM- 323.1 Encephalitis, myelitis, and encephalomyelitis in rickettsial diseases classified elsewhere convert 323.1 to ICD-10-CM
- 323.2 Encephalitis, myelitis, and encephalomyelitis in protozoal diseases classified elsewhere convert 323.2 to ICD-10-CM
- 323.4 Other encephalitis, myelitis, and encephalomyelitis due to infection classified elsewhere
- 323.41 Other encephalitis and encephalomyelitis due to infection classified elsewhere convert 323.41 to ICD-10-CM
- 323.42 Other myelitis due to infection classified elsewhere convert 323.42 to ICD-10-CM
- 323.5 Encephalitis, myelitis, and encephalomyelitis following immunization procedures
- 323.51 Encephalitis and encephalomyelitis following immunization procedures convert 323.51 to ICD-10-CM
- 323.52 Myelitis following immunization procedures convert 323.52 to ICD-10-CM
- 323.6 Postinfectious encephalitis, myelitis, and encephalomyelitis
- 323.61 Infectious acute disseminated encephalomyelitis (ADEM) convert 323.61 to ICD-10-CM
- 323.62 Other postinfectious encephalitis and encephalomyelitis convert 323.62 to ICD-10-CM
- 323.63 Postinfectious myelitis convert 323.63 to ICD-10-CM
- 323.7 Toxic encephalitis, myelitis, and encephalomyelitis
- 323.71 Toxic encephalitis and encephalomyelitis convert 323.71 to ICD-10-CM
- 323.72 Toxic myelitis convert 323.72 to ICD-10-CM
- 323.8 Other causes of encephalitis, myelitis, and encephalomyelitis
- 323.81 Other causes of encephalitis and encephalomyelitis convert 323.81 to ICD-10-CM
- 323.82 Other causes of myelitis convert 323.82 to ICD-10-CM
- 323.9 Unspecified causes of encephalitis, myelitis, and encephalomyelitis convert 323.9 to ICD-10-CM
