CPT code 50525 denotes open surgical closure of a renal fistula via an abdominal approach. This procedure addresses abnormal communications between the kidney and adjacent organs (for example, renocolic fistula), which can cause infection, sepsis, or loss of renal function if left untreated. Nationally, surgical repair of renal fistulae is an important urologic and general surgical procedure performed in hospital operating rooms and may require inpatient care depending on patient stability and complexity.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for CPT code 50525, typical settings of care, common modifiers listed in payer policies, and what is known about coverage patterns. The publication summarizes benchmarks and policy considerations relevant to hospitals and surgical practices, highlights documentation and coding elements tied to operative description, and notes where input data is not available. This resource is intended for billing managers, revenue cycle staff, and clinical leaders seeking a concise national summary of CPT code 50525 and its place in urologic surgical services.