Q24: Other congenital malformations of heart
Codes under Q24 (Other congenital malformations of heart). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Q24.0 | Dextrocardia | ✓ |
| Q24.0 | Dextrocardia | ✓ |
| Q24.1 | Levocardia | ✓ |
| Q24.1 | Levocardia | ✓ |
| Q24.2 | Cor triatriatum | ✓ |
| Q24.2 | Cor triatriatum | ✓ |
| Q24.3 | Pulmonary infundibular stenosis | ✓ |
| Q24.3 | Pulmonary infundibular stenosis | ✓ |
| Q24.4 | Congenital subaortic stenosis | ✓ |
| Q24.4 | Congenital subaortic stenosis | ✓ |
| Q24.5 | Malformation of coronary vessels | ✓ |
| Q24.5 | Malformation of coronary vessels | ✓ |
| Q24.6 | Congenital heart block | ✓ |
| Q24.6 | Congenital heart block | ✓ |
| Q24.8 | Other specified congenital malformations of heart | ✓ |
| Q24.8 | Other specified congenital malformations of heart | ✓ |
| Q24.9 | Congenital malformation of heart, unspecified | ✓ |
| Q24.9 | Congenital malformation of heart, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code Q24?
Q24 is an ICD-10-CM category covering Other congenital malformations of heart. It contains 18 more specific diagnosis codes, 18 of which are billable.
Is Q24 a billable code?
No — Q24 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Q24.0 — Dextrocardia). 18 of the 18 codes under Q24 are billable.
What codes fall under Q24?
Q24 includes Q24.0, Q24.0, Q24.1, Q24.1, Q24.2, plus 13 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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