Q25.4

Other congenital malformations of aorta

Header / non-billable

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 · Q25.4
Excludes 1

hypoplasia of aorta in hypoplastic left heart syndrome (Q23.4)

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 Q25.4

FY 2026 ›

Sections that reference Q25.4

Sections whose FY 2026 text names Q25.4, its Q25 category, or a range containing it — the chapter guidance above is the authoritative source.