G91Hydrocephalus

Non-Billable/Non-Specific

Includes

acquired hydrocephalus

Type 1 Excludes

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

Codes

G91.0Communicating hydrocephalus
G91.1Obstructive hydrocephalus
G91.2(Idiopathic) normal pressure hydrocephalus
G91.3Post-traumatic hydrocephalus, unspecified
G91.4Hydrocephalus in diseases classified elsewhere
G91.8Other hydrocephalus
G91.9Hydrocephalus, unspecified