Other congenital malformations of nervous system - Q07

 Type 2 Excludes

• congenital central alveolar hypoventilation syndrome (G47.35)
• familial dysautonomia [Riley-Day] (G90.1)
• neurofibromatosis (nonmalignant) (Q85.0-)

 Codes

• Q07.0 - Arnold-Chiari syndrome
• 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
• Q07.8 - Other specified congenital malformations of nervous system
• Q07.9 - Congenital malformation of nervous system, unspecified