CPT code 47780 represents a biliary-enteric anastomosis performed to restore bile flow when the biliary tract is obstructed, commonly by a tumor or stricture. This operative procedure — often performed as an end-to-side or Y-shaped (Roux-en-Y) hepaticojejunostomy or choledochojejunostomy — is an important surgical option for patients with obstructive cholestasis who are not candidates for endoscopic drainage. Nationally, procedures coded with 47780 are relevant to surgical oncology, hepatobiliary surgery, and complex general surgery care patterns, and they carry implications for inpatient resource utilization and postoperative care pathways.

Key payers covered in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical and coding context for 47780, typical sites of service, common billing considerations, and where to look for related procedural or diagnosis coding. The publication summarizes benchmarking and policy-relevant topics such as utilization trends, prior authorization and coverage variability among major payers, and typical postoperative service line implications. Data not available in the input is noted where applicable.