Table 1.
ICD-9-CM diagnosis and procedure codes related to revision TKA, introduced on October 1, 2005
| Code | Description |
|---|---|
| Diagnosis codes | |
| 996.41 | Mechanical loosening of prosthetic joint |
| 996.42 | Dislocation of prosthetic joint |
| 996.43 | Prosthetic joint implant failure/breakage |
| 996.44 | Periprosthetic fracture around prosthetic joint |
| 996.45 | Periprosthetic osteolysis |
| 996.46 | Articular bearing surface wear of a prosthetic joint |
| 996.47 | Other mechanical complication of prosthetic joint implant |
| 996.49 | Other mechanical complication of other internal orthopedic device, implant, or graft |
| Procedure codes | |
| 00.80 | Revision of tibial, patellar, and femoral components |
| 00.81 | Revision of tibial component |
| 00.82 | Revision of femoral component |
| 00.83 | Revision of patellar component |
| 00.84 | Isolated revision of tibial insert |
| 80.06 | Arthrotomy/removal of prosthesis |
| 81.55 | Revision of knee, NOS |