CPT code 47400 denotes an open hepatic duct incision performed to examine the duct, extract stones, or insert a drainage tube. This code captures a discrete operative hepatobiliary intervention that remains relevant across surgical specialties managing biliary obstruction and related complications. Nationally, billing and coverage for this procedure affect hospital surgical case mix, resource use for hepatobiliary care, and reimbursement for operative management of biliary disease.

Key payers referenced in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise operational summary of the service and typical sites of care, plus benchmarking context where available. The publication highlights common clinical indications for the procedure, coding guidance essentials, and payer coverage patterns when provided. It also outlines where users can expect to find related policy updates or prior authorization requirements under major national payers. The overview aims to give clinicians, coding professionals, and policy analysts a clear, national-level understanding of what CPT code 47400 represents, why it matters for hospital and surgical billing, and what areas to review for payer-specific documentation and coverage policy.

Data not available in the input for specific modifiers, taxonomies, ICD-10 pairings, or payer-specific payment amounts.