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Table 1 Codes used to identify knee arthroscopy procedures

From: Decreasing the number of arthroscopies in knee osteoarthritis – a service evaluation of a de-implementation strategy

W85.1 Endoscopic removal of loose body from knee joint
W85.2 Endoscopic irrigation of knee joint
W80.- Debridement and irrigation of joint plus
Y76.7 Arthroscopic approach to joint plus
Z84.6 Knee joint
W85.8 Other specified therapeutic endoscopic operations on cavity of knee joint
W83.3 Endoscopic shaving of articular cartilage plus
Z84.6 Knee joint
W82.2 Endoscopic resection of semilunar cartilage NEC