TABLE 1.
CPT Codes for Primary Patellar Instability Surgery, Associated Concomitant Procedures, and Postoperative Complicationsa
| CPT Code | Description |
|---|---|
| Primary patellar stabilization procedure | |
| 27420 | Reconstruction of dislocating patella (eg, Hauser-type procedure) |
| 27422 | Reconstruction of dislocating patella with extensor realignment and/or muscle advancement or release (eg, Campbell, Goldwaite-type procedure) |
| 27427 | Ligamentous reconstruction (augmentation), knee; extra-articular |
| Concomitant procedures | |
| Tibial tubercle osteotomy | |
| 27418 | Anterior tibial tubercleplasty (eg, Maquet-type procedure) |
| Microfracture surgery | |
| 29879 | Arthroscopy, knee, surgical; abrasion arthroplasty (includes chondroplasty where necessary) or multiple drilling or microfracture |
| Chondroplasty | |
| 29877 | Arthroscopy, knee, surgical; debridement/shaving of articular cartilage (chondroplasty) |
| Osteochondral grafting | |
| 27412 | Autologous chondrocyte implantation, knee |
| 27415 | Osteochondral allograft, knee, open |
| 27416 | Osteochondral autograft(s), knee, open (eg, mosaicplasty) (includes harvesting of autograft[s]) |
| 29866 | Arthroscopy, knee, surgical; osteochondral autograft(s) (eg, mosaicplasty) (includes harvesting of the autograft) |
| 29867 | Arthroscopy, knee, surgical; osteochondral allograft (eg, mosaicplasty) |
| 29870 | Harvesting of chondrocytes; arthroscopy, knee, diagnostic, with or without synovial biopsy (separate procedure) |
| Loose cartilage removal | |
| 29874 | Arthroscopy, knee, surgical; for removal of loose body or foreign body (eg, osteochondritis dissecans fragmentation, chondral fragmentation) |
| Lateral retinacular release | |
| 27425 | Lateral retinacular release, open |
| 29873 | Arthroscopy, knee, surgical; with lateral release |
| Postoperative complications | |
| Infection (30 d) | |
| 27301 | Incision and drainage, deep abscess, bursa, or hematoma, thigh or knee region |
| 27303 | Incision, deep, with opening of bone cortex, femur or knee (eg, osteomyelitis or bone abscess) |
| 27310 | Arthrotomy, knee, with exploration, drainage, or removal of foreign body (eg, infection) |
| 29871 | Arthroscopy, knee, surgical; for infection, lavage, and drainage |
| Knee stiffness (1 y) | |
| 27570 | Manipulation of knee joint under general anesthesia (includes application of traction or other fixation devices) |
| 29884 | Arthroscopy, knee, surgical; with lysis of adhesions, with or without manipulation (separate procedure) |
| Patellar fracture (1 y) | |
| 27520 | Closed treatment of patellar fracture, without manipulation |
| 27524 | Open treatment of patellar fracture, with internal fixation and/or partial or complete patellectomy and soft tissue repair |
aCPT, Current Procedural Terminology.