| Code | Description |
| I44.0 | Atrioventricular block, first degree |
| I44.1 | Atrioventricular block, second degree |
| I44.2 | Atrioventricular block, complete |
| I44.30 | Unspecified atrioventricular block |
| I44.39 | Other atrioventricular block |
| Q20.5 | Discordant atrioventricular connection |
| Q21.2 | Atrioventricular septal defect |