ICD-10-CM · Chapter 17 · Q00-QA1
Q24 Other congenital malformations of heart
Excludes 1 (cannot be coded together)
- endocardial fibroelastosis (I42.4)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| Q24..0 | Dextrocardia | Yes |
| Q24..1 | Levocardia | Yes |
| Q24..2 | Cor triatriatum | Yes |
| Q24..3 | Pulmonary infundibular stenosis | Yes |
| Q24..4 | Congenital subaortic stenosis | Yes |
| Q24..5 | Malformation of coronary vessels | Yes |
| Q24..6 | Congenital heart block | Yes |
| Q24..8 | Other specified congenital malformations of heart | Yes |
| Q24..9 | Congenital malformation of heart, unspecified | Yes |
Last reviewed: September 2026