CPT code 64600 covers a neurodestructive injection performed at or near the trigeminal nerve to interrupt nerve function for management of severe facial motor dysfunction or intractable trigeminal neuralgia. Nationally, this code represents a targeted interventional procedure used by pain medicine, neurology, and neurosurgery providers to treat debilitating facial pain and select motor disorders when conservative therapies have failed. The procedure has implications for utilization, prior authorization, and coverage policy due to its invasive nature and potential complications.

Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a clinical context for the procedure, common sites of service, and the payer landscape relevant to authorization and coverage frameworks. The publication also summarizes benchmarks and policy updates affecting coverage determinations, typical billing considerations, and areas of clinical guidance relevant to coding and claims processing.

The content is intended for billing managers, policy analysts, and clinicians seeking a concise reference to CPT code 64600, including clinical purpose, payer coverage patterns, and the types of operational and policy issues that commonly arise when this service is billed.