1 = Arthroplastie totale du genou, comprend la rotule 2 = Arthroplastie totale du genou, exclut la rotule 3 = Arthroplastie unicompartimentale, médiale 4 = Arthroplastie unicompartimentale, latérale 5 = Arthroplastie fémoro-patellaire
H and K Type of Procedure 1 = Primary 2 = Revision Knee 1 = Total Knee Arthroplasty, Including Patella 2 = Total Knee Arthroplasty, Excluding Patella 3 = Unicompartmental Arthroplasty, Medial 4 = Unicompartmental Arthroplasty, Lateral 5 = Patellofemoral Arthroplasty (PFA) OTH = Other