Q04

Other congenital malformations of brain

Header / non-billable

Choose the additional character

Q04 needs more characters to be billable. Pick the specific code below.

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · Q04
Excludes 1

cyclopia (Q87.0) macrocephaly (Q75.3)

Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2

inborn errors of metabolism (E70-E88)

Note

Codes from this chapter are not for use on maternal records

Official Guidelines for Q04

FY 2026 ›
I.C.17Chapter-specific guidanceChapter 17: Congenital malformations, deformations, and chromosomal abnormalities (Q00-QA1)

Sections that reference Q04

Sections whose FY 2026 text names Q04, its Q04 category, or a range containing it — the chapter guidance above is the authoritative source.