Headline: CPT code 31256 defines endoscopic maxillary sinus access via uncinectomy, a common surgical approach in otolaryngology

Lead: CPT code 31256 represents endoscopic access to the maxillary sinus achieved by incising the uncinate process and opening the sinus (maxillary antrostomy). The code documents a frequently performed operative step in the management of chronic rhinosinusitis, recurrent sinus infections, and select sinonasal pathologies.

Why it matters: Nationally, accurate use of CPT code 31256 is important for clinical documentation, procedure tracking, and payment integrity for endoscopic sinus surgery. Proper coding distinguishes limited maxillary antrostomy from more extensive sinus procedures and supports quality measurement in ambulatory surgical settings.

Payers covered: Analysis and benchmarks typically include major national payers: Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

What readers will learn: This publication outlines the clinical context for CPT code 31256, clarifies the typical service type and sites of service, and summarizes how payers commonly classify and reimburse this endoscopic maxillary antrostomy. The report also highlights coding nuances relevant to procedure bundling and documentation, and provides a concise reference for billing teams and surgical practices.

Data availability: Data not available in the input for associated taxonomies, specific ICD-10 pairings, and payer-specific reimbursement rates.