Q03: Congenital hydrocephalus includes hydrocephalus in newborn excludes1 Arnold-Chiari syndrome, type II (Q07.0-) acquired hydrocephalus (G91.-) hydrocephalus due to congenital toxoplasmosis (P37.1) hydrocephalus with spina bifida (Q05.0-Q05.4) |
| Q03.0: Malformations of aqueduct of Sylvius |
| Q03.1: Atresia of foramina of Magendie and Luschka |
| Q03.8: Other congenital hydrocephalus |
| Q03.9: Congenital hydrocephalus, unspecified |