ICD-10 Code: G04.90 – Encephalitis and encephalomyelitis, unspecified
ICD-10 code G04.90 corresponds to Encephalitis and encephalomyelitis, unspecified. This code is classified under the chapter G04 Encephalitis, myelitis and encephalomyelitis, which is part of the G00-G09: Inflammatory diseases of the central nervous system category.
The parent chapter is Diseases of the nervous system.