MCMedicalCodingSoftware
Q24

Q24: Other congenital malformations of heart

Non-billable headerICD-10-CM

Q24 is a non-billable header ICD-10-CM code for other congenital malformations of heart. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • endocardial fibroelastosis (I42.4)

Other codes that can never be billed with Q24

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • I25.41Coronary artery aneurysm
  • I38Endocarditis, valve unspecified
  • Q23.0Congenital stenosis of aortic valve
  • Q28Other congenital malformations of circulatory system
  • Q89.3Situs inversus

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead Q24

9 child codes. Green means billable.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.