CPT code 47122 denotes a major hepatic surgical procedure — a hepatectomy that includes a trisegmentectomy resecting large lesions from three segments of the left hepatic lobe plus the anterior segment of the right liver. The code applies to treatment of both benign and malignant liver neoplasms and represents a complex, resource-intensive operative service with implications for perioperative care, facility utilization, and specialist surgical coding.

Key payers covered in this national overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find clinical context for when CPT code 47122 is used, typical sites of service, and the procedural scope that distinguishes it from smaller hepatic resections. The publication outlines expected billing considerations, common modifiers for major surgical services, and areas where coding precision affects coverage and claims processing.

This summary equips clinicians, coding professionals, and policy analysts with a concise reference to the code’s clinical intent and operational setting, helping align documentation and billing practices with payer expectations. Data not available in the input for specific payer reimbursement rates, ICD-10 pairings, associated taxonomies, and related codes.