The reason that a PATIENT requires Revision Hip Replacement Surgery.
National Codes:
| Aseptic Loosening | |
| 1a | Stem | 
| 1b | Socket | 
| Implant Fracture | |
| 2a | Stem | 
| 2b | Socket | 
| 2c | Head | 
| Head/Socket Mismatch | |
| 3a | Socket | 
| 3b | Head | 
| Lysis | |
| 4a | Stem | 
| 4b | Socket | 
| Malalignment | |
| 5a | Stem | 
| 5b | Socket | 
| Periprosthetic Fracture | |
| 6a | Stem | 
| 6b | Socket | 
| 07 | Dislocation/ Subluxation | 
| 08 | Infection | 
| 09 | Unexplained Pain | 
| 10 | Wear of Acetabular Component | 
| 11 | Dissociation of Liner | 
| 12 | Adverse Soft Tissue Reaction to Particulate Debris | 
| 13 | Other | 
This attribute is also known by these names:
| Context | Alias | 
|---|---|
| plural | JOINT REPLACEMENT REVISION REASON CODES FOR HIP | 
