G0289 Arthro, loose body + chondro

Arthroscopy, knee, surgical, for removal of loose body, foreign body, debridement/shaving of articular cartilage (chondroplasty) at the time of other surgical knee arthroscopy in a different compartment of the same knee

• Medicare coverage: Carrier judgment
• Status: active (July 2026 file)
• MUE: max 1 units per day (practitioner), rationale: CMS Policy