| Disease specified codes |
Operation for polydactyly |
N0251 (construction of tendon or bone), N0252 (others) |
| Operation for syndactyly |
N0260 |
| General bone and soft tissue procedures |
Release of scar contracture |
N0241 |
| Release of scar contracture and skin graft |
Full thickness: N0242 (<25 cm2), N0243 (≥25 cm2) |
| Split thickness (face or joint): N0244 (<25 cm2), N0245 (≥ 25 cm2) |
| Split thickness (others): N0246 (<25 cm2), N0247 (25–99 cm2), NA241 (100–399 cm2), NA242 (400–899 cm2), NA243 (≥900 cm2) |
| Release of scar contracture and flap operation |
N0249 |
| Osteotomy |
N0302 (upper or lower extremity), N0316 (carpal or tarsal), N0317 (metacarpal, metatarsal, finger, or toe) |
| Osteotomy and internal fixation |
N0304 (radius or ulna), N0306 (humerus), N0307 (radius and ulna), N0318 (carpal or tarsal), N0319 (metacarpal, metatarsal, finger, or toe) |
| Ostectomy |
N0311 |
| Bone graft |
N0312 |
| Disarticulation of extremities |
N0563 (shoulder), N0565 (elbow, wrist, or ankle), N0566 (finger or toe) |
| Amputation of extremities |
N0573 (upper arm, forearm, or lower leg), N0574 (hand or foot), N0575 (finger or toe) |
| Excision of carpal or tarsal bone |
N0610 |
| Resection arthroplasty |
N0722 (shoulder, knee, elbow, wrist, or ankle), N0723 (finger or toe) |
| Arthrodesis |
N0733 (elbow, wrist, or ankle), N0734 (finger or toe), N0738 (shoulder), |
| Open reduction of dislocation |
N0752 (shoulder), N0753 (elbow), N0755 (wrist or ankle), N0756 (finger or toe) |
| Closed reduction of dislocation |
N0762 (shoulder), N0763 (elbow or knee), N0764 (wrist, ankle, finger, or toe), N0765 (radial head subluxation) |
| Mechanical correction for deformity |
N0792 (deformity of extremity) |
| Manipulative correction for deformity |
N0804 |
| Reconstruction of tendon and ligament |
N0931 (simple: resection, suture, or release), N0932 (complex: graft, transfer, or reconstruction with allograft) |
| Tenolysis |
N0941 |
| Vascularized osteocutaneous free flap |
N1583 (vascularized bone graft), N1584 (vascularized osteocutaneous graft), N1585 (pedicled vascularized bone graft) |
| Autogenous fat graft or dermofat graft |
NX021 |
