Q01.9 Encephalocele, unspecified

Instructional Notes:

Q01.9
Description: Encephalocele, unspecified
↓
Q01
Description: Encephalocele
Exclude1:
- Meckel-Gruber syndrome (Q61.9)
Include:
- Arnold-Chiari syndrome, type III
- encephalocystocele
- encephalomyelocele
- hydroencephalocele
- hydromeningocele, cranial
- meningocele, cerebral
- meningoencephalocele
↓
Q00-Q07
Description: Congenital malformations of the nervous system (Q00-Q07)
↓
Q00-Q99
Description: Congenital malformations, deformations and chromosomal abnormalities
Exclude2:
- inborn errors of metabolism (E70-E88)
Notes:
- Codes from this chapter are not for use on maternal records