CPT code 38770 denotes surgical excision of pelvic lymph nodes — specifically the external iliac, hypogastric, and obturator nodes — most often performed for cancer staging or treatment in the lower abdomen and pelvis. Nationally, this code is important for oncology surgical workflows, perioperative resource planning, and coding accuracy tied to cancer care pathways.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for the procedure, the typical sites of service, and the common modifiers associated with surgical services. The publication also summarizes benchmarking and reimbursement considerations, coding nuances relevant to pelvic lymphadenectomy, and notes on documentation that influence claim adjudication.

This summary provides clinicians, coding teams, and revenue cycle professionals with the essential facts about CPT code 38770, helping stakeholders align clinical documentation with billing practices and understand where policy updates or payer-specific rules may affect processing and coverage determinations.