Q01: Encephalocele includes Arnold-Chiari syndrome, type III encephalocystocele encephalomyelocele hydroencephalocele hydromeningocele, cranial meningocele, cerebral meningoencephalocele excludes1 Meckel-Gruber syndrome (Q61.9) |
| Q01.0: Frontal encephalocele |
| Q01.1: Nasofrontal encephalocele |
| Q01.2: Occipital encephalocele |
| Q01.8: Encephalocele of other sites |
| Q01.9: Encephalocele, unspecified |