| ICD Code | Description |
|---|---|
| 02N4 | Coronary Vein |
| 02N5 | Atrial Septum |
| 02N6 | Atrium, Right |
| 02N7 | Atrium, Left |
| 02N8 | Conduction Mechanism |
| 02N9 | Chordae Tendineae |
| 02ND | Papillary Muscle |
| 02NF | Aortic Valve |
| 02NG | Mitral Valve |
| 02NH | Pulmonary Valve |
| 02NJ | Tricuspid Valve |
| 02NK | Ventricle, Right |
| 02NL | Ventricle, Left |
| 02NM | Ventricular Septum |
| 02NN | Pericardium |
| 02NP | Pulmonary Trunk |
| 02NQ | Pulmonary Artery, Right |
| 02NR | Pulmonary Artery, Left |
| 02NS | Pulmonary Vein, Right |
| 02NT | Pulmonary Vein, Left |
| 02NV | Superior Vena Cava |
| 02NW | Thoracic Aorta, Descending |
| 02NX | Thoracic Aorta, Ascending/Arch |