CPT code 64505 denotes a sphenopalatine (Meckel’s or nasal) ganglion nerve block, an interventional pain procedure used to reduce transmission in the trigeminal-associated sphenopalatine ganglion. Nationally, this code matters as an option for managing refractory craniofacial pain, certain headache syndromes, and other pain conditions where blockade of the ganglion can provide relief. Use of this procedure reflects evolving practice in outpatient pain management and procedural headache care.

Key payers in the coverage landscape include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical intent and typical sites of service, plus what to expect in payer coverage considerations. The publication provides benchmarks for coding and billing practices, summarizes relevant policy themes that affect reimbursement and prior authorization, and explains clinical context for appropriate use. Practical sections cover documentation needs, common modifiers and service-line placement, and how this procedure fits within broader pain management pathways.

Data not available in the input for specific negotiated rates, detailed payer policies, ICD-10 pairings, and associated taxonomies; those items are noted as unavailable where relevant within the full publication.