CPT® Code 75833

Venography, specifically renal venography, is a specialized radiological procedure aimed at visualizing the renal veins to assess various conditions affecting them. This procedure involves the use of a radiopaque contrast medium, which is a substance that enhances the visibility of internal structures during imaging. The process is conducted under radiological supervision, ensuring that the images captured are of high quality for accurate interpretation. The primary purpose of renal venography is to diagnose a range of medical issues, including blood clots that may obstruct blood flow, tumors that could affect renal function, retroperitoneal fibrosis which can cause compression of the renal veins, renal agenesis where one or both kidneys may be absent, venous anomalies that can lead to abnormal blood flow, and renovascular hypertension, a condition characterized by high blood pressure due to renal artery issues. The procedure typically begins with the access of the femoral vein in the groin area using a large bore needle, followed by the insertion of a guidewire and catheter to facilitate the delivery of contrast medium. As the contrast is injected, X-ray images are taken to visualize the renal veins and assess their condition. The findings from this procedure are crucial for guiding further medical management and interventions.