Current

Q03 — Congenital hydrocephalus

Part of Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders , block Congenital malformations of the nervous system (Q00-Q07) .

Official Notes

Includes

hydrocephalus in newborn

Excludes1

Arnold-Chiari syndrome, type II ( Q07.0- )

Excludes1

acquired hydrocephalus ( G91 .-)

Excludes1

hydrocephalus due to congenital toxoplasmosis ( P37.1 )

Excludes1

hydrocephalus with spina bifida (Q05.0-Q05.4)

Child Codes

Referenced By

Official notes on these codes cite Q03.

FY 2027 effective October 1, 2026 · CDC NCHS and CMS