CPT code 28220 represents a surgical release of adhesions affecting a single flexor tendon in the foot. This procedure is performed to restore tendon movement and relieve pain from tendonitis that limits function. Nationally, the code is relevant for surgical management of foot tendon disorders and factors into surgical case mix, facility utilization, and payer coverage policies for elective and medically necessary foot procedures.

Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find clinical context for when this procedure is used, typical sites of service (ambulatory surgical center and hospital operating room), and an overview of common modifiers associated with surgical billing. The publication outlines benchmark considerations for reimbursement and claims processing, summarizes relevant policy and coverage themes, and clarifies documentation elements that support medical necessity.

This report is written for a national audience and provides a concise reference for clinicians, billing professionals, and policy analysts seeking an authoritative summary of CPT code 28220, its clinical indications, and the payer landscape that affects surgical foot tendon adhesion releases.