CPT code 77767 represents a surface brachytherapy procedure that applies a high-energy radioactive source to treat a skin tumor up to 2.0 cm in diameter or uses a single channel directly on or near the skin surface. The code specifically includes dose calculation prior to loading into the catheter when that calculation is performed. This procedure is clinically significant for localized dermatologic malignancies and select benign lesions where targeted radiation spares surrounding tissue.

Key national payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for use of the code, typical sites of service, common modifiers, and payer coverage considerations. The publication outlines common billing practices and benchmarking topics relevant to ambulatory radiation oncology and outpatient procedural settings.

The article provides practical reference material: a description of the service captured by the code, typical clinical scenarios, payer landscape, and items for operational consideration such as dose calculation being an included component when performed. Data not available in the input will be identified as such in specific sections where applicable.