CPT 64721: Carpal Tunnel Release Billing, 2026 Rates, and Modifiers

CPT 64721 is the open carpal tunnel release CPT code: the surgeon frees (neuroplasty) or moves (transposition) the median nerve at the carpal tunnel through an open incision that divides the transverse carpal ligament. It’s a unilateral code. The American Medical Association (AMA) added a third release code, 64728, on January 1, 2026. On the […]