CPT 029874 — Arthroscopy, knee, surgical; for removal of loose body or foreign body (eg, osteochondritis dissecans fragmentation, chondral fragmentation) (2 hospitals, — samples)
CPT 029879 — Arthroscopy, knee, surgical; abrasion arthroplasty (includes chondroplasty where necessary) or multiple drilling or microfracture (2 hospitals, — samples)
CPT 029880 — Arthroscopy, knee, surgical; with meniscectomy (medial AND lateral, including any meniscal shaving) including debridement/shaving of articular cartilage (chondroplasty), same or separate compartment(s (2 hospitals, — samples)
CPT 029881 — Arthroscopy, knee, surgical; with meniscectomy (medial OR lateral, including any meniscal shaving) including debridement/shaving of articular cartilage (chondroplasty), same or separate compartment(s) (2 hospitals, — samples)
CPT 029882 — Arthroscopy, knee, surgical; with meniscus repair (medial OR lateral) (2 hospitals, — samples)
CPT 029883 — Arthroscopy, knee, surgical; with meniscus repair (medial AND lateral) (2 hospitals, — samples)
CPT 029884 — Arthroscopy, knee, surgical; with lysis of adhesions, with or without manipulation (separate procedure) (2 hospitals, — samples)
CPT 029885 — Arthroscopy, knee, surgical; drilling for osteochondritis dissecans with bone grafting, with or without internal fixation (including debridement of base of lesion) (2 hospitals, — samples)
CPT 029891 — Arthroscopy, ankle, surgical, excision of osteochondral defect of talus and/or tibia, including drilling of the defect (2 hospitals, — samples)
CPT 029892 — Arthroscopically aided repair of large osteochondritis dissecans lesion, talar dome fracture, or tibial plafond fracture, with or without internal fixation (includes arthroscopy) (2 hospitals, — samples)