| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OPER_IN | OPER_IN_NOM(FMB10) | Transannular expansion of aortic ostium | 27 | |
| OPER_IN | OPER_IN_NOM(FMA20) | Plastic repair of aortic valve for stenosis | 13 | |
| OPER_IN | OPER_IN_NOM(FMA32) | Percutaneous transluminal expansion of aortic valve | 12 | |
| OPER_IN | OPER_IN_NOM(FMB00) | Supravalvular aortic expansion using patch | 11 | |
| OPER_IN | OPER_IN_NOM(FMB96) | Other expansion of aortic ostium | 8 |