This page needs to be proofread.
Q00-Q07 Congenital malformations of the nervous system
Q10-Q18 Congenital malformations of eye, ear, face and neck
Q20-Q28 Congenital malformations of the circulatory system
Q30-Q34 Congenital malformations of the respiratory system
Q35-Q37 Cleft lip and cleft palate
Q38-Q45 Other congenital malformations of the digestive system
Q50-Q56 Congenital malformations of genital organs
Q60-Q64 Congenital malformations of the urinary system
Q65-Q79 Congenital malformations and deformations of the musculoskeletal system
Q80-Q89 Other congenital malformations
Q90-Q99 Chromosomal abnormalities, not elsewhere classified

Congenital malformations of the nervous system (Q00-Q07)

Q00 Anencephaly and similar malformations

Q00.0 Anencephaly
Acephaly
Acrania
Amyelencephaly
Hemianencephaly
Hemicephaly
Q00.1 Craniorachischisis
Q00.2 Iniencephaly

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

Q02 Microcephaly

Includes: hydromicrocephaly
micrencephalon
Excludes1: Meckel-Gruber syndrome (Q61.9)

Q03 Congenital hydrocephalus

Includes: