Current
Q04 — Other congenital malformations of brain
Part of Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders , block Congenital malformations of the nervous system (Q00-Q07) .
Official Notes
Child Codes
- Q04.0 Congenital malformations of corpus callosum Billable
- Q04.1 Arhinencephaly Billable
- Q04.2 Holoprosencephaly Billable
- Q04.3 Other reduction deformities of brain Billable
- Q04.4 Septo-optic dysplasia of brain Billable
- Q04.5 Megalencephaly Billable
- Q04.6 Congenital cerebral cysts Billable
- Q04.8 Other specified congenital malformations of brain Billable
- Q04.9 Congenital malformation of brain, unspecified Billable
FY 2027 effective October 1, 2026 · CDC NCHS and CMS