CPT code 15879 represents suction–assisted lipectomy of the lower extremity, targeting fat deposits in the thigh and knee. This surgical body-contouring procedure is widely used in aesthetic and reconstructive practices and is notable for its frequency and resource implications across ambulatory surgical centers and hospital outpatient departments. The code matters nationally because it captures a common operative service with implications for coverage policies, coding compliance, and payment across major payers.

Key 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 service defined by the code, payer coverage patterns, common billing modifiers, and typical settings of care. The publication summarizes benchmarking metrics and coding guidance relevant to claims processing and audit readiness, and it outlines clinical context that payers and providers use when determining medical necessity and benefit design. Data not provided in the input are noted as unavailable where applicable.