Congenital malformations of the nervous system
53 codes in this section
Codes
Anencephaly and similar malformations
3 subcategoryies
Anencephaly
Craniorachischisis
Iniencephaly
Encephalocele
5 subcategoryies
Frontal encephalocele
Nasofrontal encephalocele
Occipital encephalocele
Encephalocele of other sites
Encephalocele, unspecified
Microcephaly
Congenital hydrocephalus
4 subcategoryies
Malformations of aqueduct of Sylvius
Atresia of foramina of Magendie and Luschka
Other congenital hydrocephalus
Congenital hydrocephalus, unspecified
Other congenital malformations of brain
9 subcategoryies
Congenital malformations of corpus callosum
Arhinencephaly
Holoprosencephaly
Other reduction deformities of brain
Septo-optic dysplasia of brain
Megalencephaly
Congenital cerebral cysts
Other specified congenital malformations of brain
Congenital malformation of brain, unspecified
Spina bifida
10 subcategoryies
Cervical spina bifida with hydrocephalus
Thoracic spina bifida with hydrocephalus
Lumbar spina bifida with hydrocephalus
Sacral spina bifida with hydrocephalus
Unspecified spina bifida with hydrocephalus
Cervical spina bifida without hydrocephalus
Thoracic spina bifida without hydrocephalus
Lumbar spina bifida without hydrocephalus
Sacral spina bifida without hydrocephalus
Spina bifida, unspecified
Other congenital malformations of spinal cord
7 subcategoryies
Amyelia
Hypoplasia and dysplasia of spinal cord
Diastematomyelia
Other congenital cauda equina malformations
Hydromyelia
Other specified congenital malformations of spinal cord
Congenital malformation of spinal cord, unspecified
Other congenital malformations of nervous system
3 subcategoryies
Arnold-Chiari syndrome
4 subcategoryies
Arnold-Chiari syndrome without spina bifida or hydrocephalus
Arnold-Chiari syndrome with spina bifida
Arnold-Chiari syndrome with hydrocephalus
Arnold-Chiari syndrome with spina bifida and hydrocephalus
Other specified congenital malformations of nervous system
Congenital malformation of nervous system, unspecified


