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. Author manuscript; available in PMC: 2024 Jan 31.
Published in final edited form as: J Health Econ. 2018 Jul 26;61:111–133. doi: 10.1016/j.jhealeco.2018.06.012

Table A.1.

Procedure codes included in analysis.

CPT code Procedure Frequency Description

29881 Arthroscopy 18,775 Arthroscopy, knee, surgical; with meniscectomy (medial OR lateral, including any meniscal shaving)
29826 Arthroscopy 9380 Arthroscopy, shoulder, surgical; decompression of subacromial space with partial acromioplasty, with or without coracoacromial release
29880 Arthroscopy 8060 Arthroscopy, knee, surgical; with meniscectomy (medial AND lateral, including any meniscal shaving)
29877 Arthroscopy 4010 Arthroscopy, knee, surgical; debridement/shaving of articular cartilage (chondroplasty)
29822 Arthroscopy 2493 Arthroscopy, shoulder, surgical; debridement, limited
29875 Arthroscopy 2486 Arthroscopy, knee, surgical; synovectomy, limited (eg, plica or shelf resection) (separate procedure)
29876 Arthroscopy 2385 Arthroscopy, knee, surgical; synovectomy, major, two or more compartments (eg, medial or lateral)
29823 Arthroscopy 2299 Arthroscopy, shoulder, surgical; debridement, extensive
29879 Arthroscopy 1582 Arthroscopy, knee, surgical; abrasion arthroplasty (includes chondroplasty where necessary) or multiple drilling or microfracture
29824 Arthroscopy 1268 Arthroscopy, shoulder, surgical; distal claviculectomy including distal articularsurface (Mumford procedure)
29807 Arthroscopy 1221 Arthroscopy, shoulder, surgical; repair of SLAP lesion
29882 Arthroscopy 1137 Arthroscopy, knee, surgical; with meniscus repair (medial OR lateral)
29862 Arthroscopy 877 Arthroscopy, hip, surgical; with debridement/shaving of articular cartilage (chondroplasty), abrasion arthroplasty, and/or resection of labrum
29806 Arthroscopy 728 Arthroscopy, shoulder, surgical; capsulorrhaphy
29846 Arthroscopy 710 Arthroscopy, wrist, surgical; excision and/or repair of triangular fibrocartilage and/or joint debridement
29873 Arthroscopy 590 Arthroscopy, knee, surgical; with lateral release
29874 Arthroscopy 483 Arthroscopy, knee, surgical; for removal of loose body or foreign body
29825 Arthroscopy 352 Arthroscopy, shoulder, surgical; with lysis and resection of adhesions, with or without manipulation
29870 Arthroscopy 271 Arthroscopy, knee, diagnostic, with or without synovial biopsy (separate procedure)
29884 Arthroscopy 203 Arthroscopy, knee, surgical; with lysis of adhesions, with or without manipulation (separate procedure)
29820 Arthroscopy 175 Arthroscopy, shoulder, surgical; synovectomy, partial
29838 Arthroscopy 134 Arthroscopy, elbow, surgical; debridement, extensive
29883 Arthroscopy 131 Arthroscopy, knee, surgical; with meniscus repair (medial AND lateral)
29819 Arthroscopy 126 Arthroscopy, shoulder, surgical; with removal of loose body or foreign body
29834 Arthroscopy 109 Arthroscopy, elbow, surgical; with removal of loose body or foreign body
29821 Arthroscopy 100 Arthroscopy, shoulder, surgical; synovectomy, complete
29837 Arthroscopy 65 Arthroscopy, elbow, surgical; debridement, limited
29871 Arthroscopy 33 Arthroscopy, knee, surgical; for infection, lavage and drainage
29835 Arthroscopy 29 Arthroscopy, elbow, surgical; synovectomy, partial
29805 Arthroscopy 25 Arthroscopy, shoulder, diagnostic, with or without synovial biopsy (separate procedure)
29836 Arthroscopy 19 Arthroscopy, elbow, surgical; synovectomy, complete
29886 Arthroscopy 18 Arthroscopy, knee, surgical; drilling for intact osteochondritis dissecans lesion
29830 Arthroscopy 17 Arthroscopy, elbow, diagnostic, with or without synovial biopsy (separate procedure)
29887 Arthroscopy 13 Arthroscopy, knee, surgical; drilling for intact osteochondritis dissecans lesion with internal fixation
29885 Arthroscopy 10 Arthroscopy, knee, surgical; drilling for osteochondritis dissecans with bone grafting, with or without internal fixation
29888 Arthroscopy 3 Arthroscopically aided anterior cruciate ligament repair/augmentation or reconstruction
29827 Arthroscopy 2 Arthroscopy, shoulder, surgical; with rotator cuff repair
23044 Arthroscopy 1 Arthrotomy, acromioclavicular, sternoclavicular joint, including exploration, drainage, or removal of foreign body
27427 Arthroscopy 1 Ligamentous reconstruction (augmentation), knee; extra-articular
29840 Arthroscopy 1 Arthroscopy, wrist, diagnostic, with or without synovial biopsy (separate procedure)
29844 Arthroscopy 1 Arthroscopy, wrist, surgical; synovectomy, partial
29860 Arthroscopy 1 Arthroscopy, hip, diagnostic with or without synovial biopsy (separate procedure)
29999 Arthroscopy 1 Unlisted procedure, arthroscopy
66984 Cataract 22,596 Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure)
66982 Cataract 961 Extracapsular cataract removal with insertion of intraocular lens prosthesis (one stage procedure), complex
66983 Cataract 17 Intracapsular cataract extraction with insertion of intraocular lens prosthesis (1 stage procedure)
45378 Colonoscopy 127,894 Colonoscopy, flexible, proximal to splenic flexure; diagnostic, with or without collection of specimen(s) by brushing or washing
45380 Colonoscopy 98,483 Colonoscopy, flexible, proximal to splenic flexure; with biopsy, single or multiple
45385 Colonoscopy 40,062 Colonoscopy, flexible, proximal to splenic flexure; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
45384 Colonoscopy 9757 Colonoscopy, flexible, proximal to splenic flexure; with removal of tumor(s), polyp(s), or other lesion(s)
45383 Colonoscopy 3442 Colonoscopy, flexible, proximal to splenic flexure; with ablation of tumor(s), polyp(s), or other lesion(s)
45381 Colonoscopy 2101 Colonoscopy, flexible, proximal to splenic flexure; with directed submucosal injection(s), any substance
45382 Colonoscopy 335 Colonoscopy, flexible, proximal to splenic flexure; with control of bleeding
45386 Colonoscopy 154 Colonoscopy, flexible, proximal to splenic flexure; with dilation by balloon, 1 or more strictures
45391 Colonoscopy 95 Colonoscopy, flexible, proximal to splenic flexure; with endoscopic ultrasound examination
45379 Colonoscopy 61 Colonoscopy, flexible, proximal to splenic flexure; with removal of foreign body
44389 Colonoscopy 60 Colonoscopy through stoma; with biopsy, single or multiple
44394 Colonoscopy 37 Colonoscopy through stoma; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
45392 Colonoscopy 27 Colonoscopy, flexible, proximal to splenic flexure; with transendoscopic ultrasound guided intramural aspiration/biopsy(s)
45387 Colonoscopy 22 Colonoscopy, flexible, proximal to splenic flexure; with transendoscopic stent placement (includes predilation)
44392 Colonoscopy 12 Colonoscopy through stoma; with removal of tumor(s), polyp(s), or other lesion(s) by hot biopsy forceps or bipolar cautery
45355 Colonoscopy 6 Colonoscopy, rigid or flexible, transabdominal via colotomy, single or multiple
44393 Colonoscopy 4 Colonoscopy through stoma; with ablation of tumor(s), polyp(s), or other lesion(s)
44391 Colonoscopy 2 Colonoscopy through stoma; with control of bleeding