CPT code 21335 denotes open surgical reduction of nasal bone and nasal septal fractures using an incision to access and realign fracture fragments. This procedure is clinically significant because it addresses both functional and cosmetic consequences of displaced nasal fractures, often requiring operative management to restore airway patency and nasal contour.

Key payers discussed nationally include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical indications and typical sites of service, descriptions of common billing modifiers associated with the service, and context for how the code is used across payers. The publication outlines common payment and coverage considerations, provider billing practices, and where CPT code 21335 sits relative to related facial fracture and nasal repair procedure codes.

The article provides practical benchmarks and policy-relevant points: frequency of use in operative settings, typical ambulatory surgery versus inpatient settings, and common documentation elements that support medical necessity for open nasal fracture treatment. Data not available in the input is noted where applicable.