CPT® Code 50525

The procedure described by CPT® Code 50525 involves the surgical closure of a nephrovisceral fistula, which is an abnormal connection between the kidney and another internal organ, such as the colon. This condition often arises due to complications from renal stones, infections like tuberculosis, or injuries sustained during medical procedures such as percutaneous interventions or lithotripsy. The surgical approach is typically abdominal, allowing for direct access to the kidney and the affected organ. During the procedure, the surgeon exposes the kidney and ureter, inserts a catheter into the ureter, and injects a radiopaque substance to visualize the fistulous tract. This enables the surgeon to trace the fistula to its entry point in the involved organ, where it is then carefully ligated and divided. Following this, the surgeon repairs the affected organ and closes the origin of the fistula in the kidney. It is important to note that for thoracic approaches, CPT® Code 50526 should be used instead.