Current
Q01 — Encephalocele
Part of Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders , block Congenital malformations of the nervous system (Q00-Q07) .
Official Notes
Includes
Arnold-Chiari syndrome, type III
Includes
encephalocystocele
Includes
encephalomyelocele
Includes
hydroencephalocele
Includes
hydromeningocele, cranial
Includes
meningocele, cerebral
Includes
meningoencephalocele
Excludes1
Meckel-Gruber syndrome ( Q61.9 )
Child Codes
Referenced By
Official notes on these codes cite Q01.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS