 G91 |
 |
Hydrocephalus |
| |
| Includes |
acquired hydrocephalus
|
| Excludes1 |
Arnold-Chiari syndrome with hydrocephalus (Q07.-)
congenital hydrocephalus (Q03.-)
spina bifida with hydrocephalus (Q05.-)
|
|
| |
 G91.0 |
|
Communicating hydrocephalus |
| |
| Secondary normal pressure hydrocephalus |
|
|
| |
| G91.1 |
|
Obstructive hydrocephalus |
|
| |
| G91.2 |
|
(Idiopathic) normal pressure hydrocephalus |
| |
| Normal pressure hydrocephalus NOS |
|
|
| |
| G91.3 |
|
Post-traumatic hydrocephalus, unspecified |
|
| |
| 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)
|
| nonPrimary |
Yes
|
|
|
| |
| G91.8 |
|
Other hydrocephalus |
|
| |
| G91.9 |
|
Hydrocephalus, unspecified |
|