CPT code 64740 denotes a surgical lingual nerve transection performed to diminish sensation and relieve facial pain. As an invasive peripheral nerve procedure, it is clinically significant for select patients with refractory neuropathic or intractable facial pain where conservative therapies have failed. Nationally, use of this code is uncommon and typically concentrated in surgical practices and hospital settings that manage complex craniofacial pain.

Payers referenced in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Coverage and payment policies vary across commercial plans and Medicare, affecting utilization, prior authorization, and facility settings.

Readers will find a concise overview of clinical context for 64740, typical sites of service, and payer coverage considerations. The publication summarizes benchmarking metrics where available, highlights salient policy or coding updates affecting reimbursement and documentation, and outlines common billing modifiers and administrative considerations for claims processing. The content is intended to inform revenue cycle, coding, and clinical stakeholders about coding, billing, and payer interactions related to this specific peripheral nerve surgical procedure.