G91: Hydrocephalus
G91.4: Hydrocephalus in diseases classified elsewhere

codeFirst
underlying condition, such as:
congenital syphilis (A50.4-)
neoplasm (C00-D49)
plasminogen deficiency (E88.02)

excludes1
hydrocephalus due to congenital toxoplasmosis (P37.1)

ICD-10-CM Home

Home