Identifies the reason why a hip or knee joint IMPLANT needs revising.
National Codes:
Hip and Knee
| 01 | Aseptic loosening | 
| 02 | Dislocation/subluxation | 
| 03 | Incorrect sizing | 
| 04 | Infection | 
| 05 | Lysis | 
| 06 | Malalignment | 
| 07 | Pain | 
| 08 | Periprosthetic fracture | 
| 09 | Wear of polyethylene component | 
| 90 | Other | 
Hip only
| 10 | Implant fracture - acetabulum | 
| 11 | Implant fracture - femoral head | 
| 12 | Implant fracture - stem | 
Knee only
| 13 | Implant fracture - femoral | 
| 14 | Implant fracture - patella | 
| 15 | Implant fracture - tibial | 
| 16 | Instability | 
| 17 | Patella maltracking | 
| 18 | Wear of patella | 
| 19 | Wear of tibia | 
References:
National Joint Registry Dataset: v.1: 24th March 2003
This attribute is also known by these names:
| Context | Alias | 
|---|---|
| plural | JOINT REPLACEMENT REVISION REASON CODES | 

