Q00
Anencephaly and similar malformations
Congenital malformations of the nervous system (Q00-Q07)
Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
53 codes in this range
Q00.0
Anencephaly
Q00.1
Craniorachischisis
Q00.2
Iniencephaly
Q01
Encephalocele
Q01.0
Frontal encephalocele
Q01.1
Nasofrontal encephalocele
Q01.2
Occipital encephalocele
Q01.8
Encephalocele of other sites
Q01.9
Encephalocele, unspecified
Q02
Microcephaly
Q03
Congenital hydrocephalus
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
Q04
Other congenital malformations of brain
Q04.0
Congenital malformations of corpus callosum
Q04.1
Arhinencephaly
Q04.2
Holoprosencephaly
Q04.3
Other reduction deformities of brain
Q04.4
Septo-optic dysplasia of brain
Q04.5
Megalencephaly
Q04.6
Congenital cerebral cysts
Q04.8
Other specified congenital malformations of brain
Q04.9
Congenital malformation of brain, unspecified
Q05
Spina bifida
Q05.0
Cervical spina bifida with hydrocephalus
Q05.1
Thoracic spina bifida with hydrocephalus
Q05.2
Lumbar spina bifida with hydrocephalus
Q05.3
Sacral spina bifida with hydrocephalus
Q05.4
Unspecified spina bifida with hydrocephalus
Q05.5
Cervical spina bifida without hydrocephalus
Q05.6
Thoracic spina bifida without hydrocephalus
Q05.7
Lumbar spina bifida without hydrocephalus
Q05.8
Sacral spina bifida without hydrocephalus
Q05.9
Spina bifida, unspecified
Q06
Other congenital malformations of spinal cord
Q06.0
Amyelia
Q06.1
Hypoplasia and dysplasia of spinal cord
Q06.2
Diastematomyelia
Q06.3
Other congenital cauda equina malformations
Q06.4
Hydromyelia
Q06.8
Other specified congenital malformations of spinal cord
Q06.9
Congenital malformation of spinal cord, unspecified
Q07
Other congenital malformations of nervous system
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