CPT code 46606 denotes an anoscopy with biopsy — a short diagnostic endoscopic procedure in which tissue samples are taken from the anal canal for histopathologic evaluation. Nationally, this code is used across outpatient settings to evaluate anorectal symptoms, screen suspicious lesions, and guide clinical management when mucosal disease or neoplasia is suspected. Use of this code affects coverage determinations, clinical workflow for gastroenterology and colorectal surgery teams, and downstream pathology billing.

Key payers covered in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication outlines payer coverage patterns, typical reimbursement considerations, and common clinical scenarios where 46606 is billed.

Readers will learn how 46606 is defined procedurally, the typical sites of service where the procedure is performed, and the clinical indications that commonly prompt anoscopy with biopsy. The report also presents benchmarking context for payer coverage and reimbursement, notes common modifiers used alongside the code (where applicable), and highlights operational considerations for coding and documentation to support accurate billing. Data not available in the input is identified explicitly where relevant.