G91 - Hydrocephalus
Includes:
-acquired hydrocephalus
Excludes 1:
-Arnold-Chiari syndrome with hydrocephalus (Q07.-)
-congenital hydrocephalus (Q03.-)
-spina bifida with hydrocephalus (Q05.-)
G91.0 - Communicating hydrocephalus
G91.1 - Obstructive hydrocephalus
G91.2 - (Idiopathic) normal pressure hydrocephalus
G91.3 - Post-traumatic hydrocephalus, unspecified
G91.4 - Hydrocephalus in diseases classified elsewhere
G91.8 - Other hydrocephalus
G91.9 - Hydrocephalus, unspecified