A venogram is a test that lets your healthcare provider see the veins in your body, especially in your legs. A special dye is injected that can be seen on an special X-ray in cath-lab . The dye lets your healthcare provider see your veins and how healthy they are.

A venogram is used to diagnose deep vein thrombosis (DVT) or other abnormalities of your veins. This test can also help your healthcare provider diagnose other health problems.