| Full description | Congenital malformation of cardiac chambers and connections, unspecified |
| Billable | Yes |
| Chapter | Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1) |
| Section | Congenital malformations of the circulatory system (Q20-Q28) |
| Parent code | Q20 — Congenital malformations of cardiac chambers and connections |