CPT code 50400 denotes pyeloplasty, the surgical reconstruction of an obstruction at the ureteropelvic junction to reestablish urine flow from the renal pelvis into the ureter. This procedure is a key intervention for obstructive uropathy that can preserve kidney function and prevent complications such as hydronephrosis and recurrent infections. Nationally, pyeloplasty is performed across hospital operating rooms and ambulatory surgical centers and is relevant to surgical, urology, and nephrology service lines.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for pyeloplasty, typical sites of service, and what to expect in billing and claim review for this surgical code. The publication provides benchmarks, payer coverage patterns, and policy considerations affecting authorization and claim adjudication where available. When input data is incomplete, the publication notes that certain detailed fields are not available in the input.

This summary is intended for coding professionals, revenue cycle staff, and clinicians seeking a concise reference on CPT code 50400, its clinical purpose, and the payer landscape affecting reimbursement and utilization at a national level.