CPT code 64901 represents an additional single-strand nerve graft repair performed during the same operative session as an initial nerve bridge or repair. It captures a specific, add-on surgical action using a portion of an unrelated donor nerve to bridge or repair a subsequent injured nerve. This precise coding matters nationally because it affects surgical documentation, bundling decisions, and accurate classification of complex peripheral nerve reconstruction procedures.

Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise view of what CPT code 64901 covers clinically and operationally, how it fits into surgical service lines, and what to expect in terms of typical sites of service. The publication outlines benchmarks and policy-relevant points such as coding intent, common billing modifiers (listed separately), and the clinical context in which this add-on graft is used. It also highlights where data is available and notes when input fields were not provided.

This summary is intended for national audiences, including coding professionals, surgical teams, and revenue cycle stakeholders, to clarify the code’s clinical meaning, typical use cases, and the payer landscape relevant to nerve graft repair procedures.