Table 2

List of procedures and billing codes used as the secondary outcome measure of minor arthritis in the knee, necessitating surgery

Procedure and billing code after 1996/97 fiscal yearProcedure and billing code prior to 1996/97 fiscal year
11600 Knee arthroscopy0713 Arthroscopic examination general anesthetic
56405 Knee injection0014 Injection, intra-articular
0015 Injection, intra-articular
56330 Arthroscopic abrasion/débridement5509 Arthroscopic débridement of joints (hip, knee, ankle, shoulder)