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ICD-10-CM Code

Hydrocephalus in diseases classified elsewhere
Code first underlying condition, such as:
congenital syphilis (A50.4-)
neoplasm (C00-D49)
plasminogen deficiency (E88.02)
Excludes1: hydrocephalus due to congenital toxoplasmosis (P37.1)

G91

Includes: acquired hydrocephalus

Excludes1: Arnold-Chiari syndrome with hydrocephalus (Q07.-)
congenital hydrocephalus (Q03.-)
spina bifida with hydrocephalus (Q05.-)

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