An overview of surgical procedures on the knee and calf, defined as cartilage surgery, from NCSP26 and the predefined ICD-10-codes
| NCSP code | Explanation | Corresponding surgical procedure and/or abbreviation | ICD-10-code | Disease/injury |
|---|---|---|---|---|
| NGA11 | Endoscopic exploration | M17 | OA of the knee | |
| NGA12 | Open exploration | M22.4 | Chondromalacia patellae | |
| NGF21 | Endoscopic fixation of corpus liberum, either traumatic or OCD | fCL | M23.4 | Loose body within the knee |
| NGF22 | Open fixation of corpus liberum, either traumatic or OCD | fCL | M23.8 | Other internal derangements of the knee |
| NGF31 | Endoscopic resection of articular cartilage | CP/debridement | M23.9 | Internal derangement of the knee, unspecified |
| NGF32 | Open resection of articular cartilage | CP/debridement | M24 | Other specific joint derangements |
| NGF91 | Other endoscopic procedure on synovia or articular cartilage | MP and OAT | M93.2 | OCD |
| NGF92 | Other open procedure on synovia or articular cartilage | MP and OAT | M94.8 | Other specific pathology in cartilage |
| NGH41 | Endoscopic removal of corpus liberum | rCL | M94.9 | Unspecific pathology in cartilage |
| NGH42 | Open removal of corpus liberum | rCL | S83.3 | Acute tear of articular cartilage of the knee |
| NGK29 | Drilling of bone in the knee or calf | MF | ||
| NGK59+69 | High tibial osteotomy | HTO | ||
| NGN | Transplantation of cartilage, bone, muscle, etc | ACI |
The two explorative procedures (NGA11 and NGA 12) are included due to the group of patients with specific cartilage diagnosis, but without specific knee cartilage surgery.
ACI, autologous chondrocyte implantation; CP, chondroplasty; fCL, fixation of corpus liberum; ICD, International Classification of Diseases; MF, microfracture; MP, mosaicplasty; NCSP; NOMESKO Classification of Surgical Procedures; OA, Osteoarthritis; OAT, osteochondral allograft transplantation; OCD, osteochondritis dissecans; rCL, removal of corpus liberum.