| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OPER_IN | OPER_IN_NOM(NGC30) | Secondary implantation of prosthesis in knee joint, special prosthesis | 763 | |
| OPER_IN | OPER_IN_NOM(NGC00) | Exchange of a loose part of prosthesis in knee joint | 612 | |
| OPER_IN | OPER_IN_NOM(NGC20) | Secondary implantation of prosthesis in knee joint, normal prosthesis | 572 | |
| OPER_IN | OPER_IN_NOM(NGC60) | Exchange or addition of patellar part | 469 | |
| OPER_IN | OPER_IN_NOM(NGC99) | Other secondary prosthetic replacement inknee joint, other or unspecified | 291 | |
| OPER_IN | OPER_IN_NOM(NGC40) | Secondary implantation of prosthesis in knee joint with allograft bone transplant | 48 | |
| OPER_OUT | OPER_OUT_NOM(NGC20) | Secondary implantation of prosthesis in knee joint, normal prosthesis | 10 | |
| OPER_OUT | OPER_OUT_NOM(NGC00) | Exchange of a loose part of prosthesis in knee joint | 7 | |
| OPER_OUT | OPER_OUT_NOM(NGC99) | Other secondary prosthetic replacement inknee joint, other or unspecified | 7 | |
| OPER_OUT | OPER_OUT_NOM(NGC30) | Secondary implantation of prosthesis in knee joint, special prosthesis | 6 |