Table 1 The list of surgeries and ICD-9 codes
Code | Operative procedures: ICD-9 |
|---|---|
HPRO | Hip Prosthesis (HPRO): 00.70–00.73; 00.85–00.87; 81.51–81.53. |
KPRO | Knee Prosthesis (KPRO): 00.80–00.84; 81.54; 81.55. |
FX | Open Reduction of Fracture (FX): 79.21; 79.22; 79.25; 79.26; 79.31; 79.32; 79.35; 79.36; 79.51; 79.52; 79.55; 79.56. |
CR | Closed Reduction of Fracture with Internal Fixation (CR): 79.11–79.18; 79.191–79.194 |
UZ | Removal of Fixation Device (UZ): 78.6 |
KART | Knee Arthroscopy (KART): 80.26 |
OTHER | Orthopaedic surgery other than HPRO, KPRO, FX, CR, ZU, KART |