CPT code 21015 designates a radical excision of a small tumor or abnormal mass from the face or scalp performed when malignancy is known or suspected. It captures an oncologic surgical approach that emphasizes wide, extensive resection of facial or scalp lesions to remove invasive tissue and reduce local recurrence risk. Nationally, this code is relevant for surgical oncology, dermatologic surgery, and otolaryngology practices that manage skin and soft-tissue cancers of the head and neck.

Key payers covered in typical analyses include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a clinical context for when the code is used, typical sites of service, and operational considerations for hospital-based and outpatient surgical settings. The publication summarizes common billing practices, typical modifiers referenced in other sections, and related service-line implications for surgical oncology and dermatology.

This report helps clinicians, coders, and administrators understand the scope of services represented by CPT code 21015, what to expect clinically when the code is reported, and where to look for further details on reimbursement benchmarks, coding guidance, and payer-specific policies.