CPT code 21552 represents the surgical excision of a subcutaneous mass 3 cm or larger in the neck or anterior chest with submission of the specimen for pathologic diagnosis. This code is used to bill a discrete operative procedure that addresses potentially diagnostic and therapeutic needs for patients with palpable or imaging-detected masses in these anatomic sites. Nationally, accurate coding of this procedure affects surgical reporting, pathology utilization, and specialty care workflows.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication outlines common billing patterns, typical sites of service, and the clinical context in which the code is used. Readers will find concise benchmarks on utilization and coverage practices, discussion of billing nuances tied to site and specimen handling, and clinical context that explains when a surgeon may use this code versus other excision or biopsy codes. The summary highlights areas where coding clarity supports appropriate claims submission and where payer policies typically address medical necessity and documentation requirements.

This national overview is intended for surgical providers, billing professionals, and policy analysts seeking a clear, practice-oriented explanation of CPT code 21552 and its implications for surgical and pathology workflows.