Q07.0: Arnold-Chiari syndrome inclusionTerm Arnold-Chiari syndrome, type II excludes1 Arnold-Chiari syndrome, type III (Q01.-) Arnold-Chiari syndrome, type IV (Q04.8) |
| Q07.00: Arnold-Chiari syndrome without spina bifida or hydrocephalus |
| Q07.01: Arnold-Chiari syndrome with spina bifida |
| Q07.02: Arnold-Chiari syndrome with hydrocephalus |
| Q07.03: Arnold-Chiari syndrome with spina bifida and hydrocephalus |