In the procedure intravenous pyelogram (IVP), the patient is injected with radiopaque dye and X-rays are taken as the dye travels through the urinary tract. This procedure is performed to confirm the presence of kidney stones, although some stones may be too small to see.
Review Date 1/15/2020
Updated by: Sovrin M. Shah, MD, Assistant Professor, Department of Urology, The Icahn School of Medicine at Mount Sinai, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.