| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OPER_IN | OPER_IN_NOM(NGC30) | Secondary implantation of prosthesis in knee joint, special prosthesis | 864 | |
| OPER_IN | OPER_IN_NOM(NGC00) | Exchange of a loose part of prosthesis in knee joint | 705 | |
| OPER_IN | OPER_IN_NOM(NGC20) | Secondary implantation of prosthesis in knee joint, normal prosthesis | 658 | |
| OPER_IN | OPER_IN_NOM(NGC60) | Exchange or addition of patellar part | 534 | |
| OPER_IN | OPER_IN_NOM(NGC99) | Other secondary prosthetic replacement inknee joint, other or unspecified | 312 | |
| OPER_IN | OPER_IN_NOM(NGC40) | Secondary implantation of prosthesis in knee joint with allograft bone transplant | 52 | |
| OPER_OUT | OPER_OUT_NOM(NGC00) | Exchange of a loose part of prosthesis in knee joint | 9 | |
| OPER_OUT | OPER_OUT_NOM(NGC20) | Secondary implantation of prosthesis in knee joint, normal prosthesis | 6 | |
| OPER_OUT | OPER_OUT_NOM(NGC99) | Other secondary prosthetic replacement inknee joint, other or unspecified | 6 | |
| OPER_OUT | OPER_OUT_NOM(NGC30) | Secondary implantation of prosthesis in knee joint, special prosthesis | 5 |