Q04.3 Other reduction deformities of brain
Instructional Notes:
-
Q04.3
Description: Other reduction deformities of brain
Exclude1:
- congenital malformations of corpus callosum (Q04.0)
Inclusion Term:
- Absence of part of brain
- Agenesis of part of brain
- Agyria
- Aplasia of part of brain
- Hydranencephaly
- Hypoplasia of part of brain
- Lissencephaly
- Microgyria
- Pachygyria
↓
-
Q04
Description: Other congenital malformations of brain
Exclude1:
- cyclopia (Q87.0)
- macrocephaly (Q75.3)
↓
-
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