Table 2.
Diagnosis codes associated with revision TKA procedures
| Diagnosis codes | Total, all revisions | 00.80 All component revision | 00.81 Tibial component revision | 00.82 Femoral component revision | 00.83 Patellar component revision | 00.84 Isolated tibial insert revision | 80.06 Arthrotomy removal of prosthesis | 81.55 Knee revision, NOS |
|---|---|---|---|---|---|---|---|---|
| Number of Revisions | 60,436 | 21,285 | 5774 | 2436 | 3122 | 5483 | 9202 | 5678 |
| 996.41 Mechanical loosening | 9711 (16.1%) | 4072 (19.1%) | 1421 (24.6%) | 562 (23.1%) | 430 (13.8%) | 270 (4.9%) | 427 (4.6%) | 730 (12.8%) |
| 996.42 Dislocation | 4268 (7.1%) | 1459 (6.9%) | 472 (8.2%) | 262 (10.8%) | 380 (12.2%) | 526 (9.6%) | 176 (1.9%) | 397 (7.0%) |
| 996.43 Implant failure/breakage | 5852 (9.7%) | 2542 (11.9%) | 648 (11.2%) | 246 (10.1%) | 396 (12.7%) | 437 (8.0%) | 158 (1.7%) | 539 (9.5%) |
| 996.44 Periprosthetic fracture | 900 (1.5%) | 309 (1.5%) | 121 (2.1%) | 78 (3.2%) | 33 (1.1%) | 14 (0.3%) | 64 (0.7%) | 77 (1.4%) |
| 996.45 Periprosthetic osteolysis | 1910 (3.2%) | 919 (4.3%) | 140 (2.4%) | 111 (4.5%) | 30 (1.0%) | 174 (3.2%) | 80 (0.9%) | 64 (1.1%) |
| 996.46 Bearing surface wear | 2967 (4.9%) | 917 (4.3%) | 419 (7.3%) | 43 (1.8%) | 195 (6.2%) | 630 (11.5%) | 15 (0.2%) | 170 (3.0%) |
| 996.47 Other mechanical complication of prosthetic joint implant | 5247 (8.7%) | 2148 (10.1%) | 634 (11.0%) | 316 (13.0%) | 389 (12.5%) | 405 (7.4%) | 122 (1.3%) | 529 (9.3%) |
| 996.49 Other mechanical complication of other internal orthopedic device implant or graft | 4040 (6.7%) | 1722 (8.1%) | 492 (8.5%) | 171 (7.0%) | 277 (8.9%) | 217 (4.0%) | 202 (2.2%) | 410 (7.2%) |
| 996.66 Infection | 15,233 (25.2%) | 2902 (13.6%) | 657 (11.4%) | 236 (9.7%) | 173 (5.5%) | 1710 (31.2%) | 7281 (79.1%) | 1107 (19.5%) |
Note: Multiple diagnosis codes allowed.