(Flat Plate of the Abdomen; Kidneys, Ureter, Bladder; KUB)
by Editorial Staff and Contributors
An x-ray creates pictures of organs in the body. This type of x-ray takes a picture of organs in the abdomen.
Reasons for Test
This test may be done if there is a problem in your abdomen. The area includes everything from just under your chest to your pelvic area. Some symptoms you have may include:
Complications are rare. If you are planning to have an x-ray, your doctor will review a list of possible complications.
An x-ray does use radiation. You and your doctor will weigh the harms and benefits of this test. An x-ray may not be advised if you are pregnant. Be sure to discuss these risks with your doctor before the test.
What to Expect
Prior to Test
Usually no special preparation is needed.
You will remove your clothes and put on a hospital gown. You will also need to remove all metal items, like jewelry and watches.
Tell your doctor if you:
Description of Test
You will lie flat on your back under the x-ray machine. You will be asked to remain still while the x-ray is taken. Between x-rays, you may be asked to move into another position. You may also be asked to stand upright.
You will be able to leave after the test is done.
How Long Will It Take?
The x-ray will take about 10 minutes
Will It Hurt?
The x-ray may help your doctor find the source of your problem. If the x-ray shows an abnormality, you may need more testing such as:
Call Your Doctor
Call your doctor if you have any questions about the test, your condition, or your test results.
If you think you have an emergency, call for emergency medical services right away.
National Institute of Diabetes and Digestive and Kidney Disorders
Urology Care Foundation
The Kidney Foundation of Canada
Public Health Agency of Canada
Kidney, ureter, and bladder x-ray. Johns Hopkins Medical Center website. Available at:
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Accessed March 14, 2018.
Last reviewed March 2018 by EBSCO Medical Review Board James P. Cornell, MD
Last Updated: 2/5/2014
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