Bilirubin is a yellowish pigment found in bile, a fluid produced by the liver.
This article is about a lab test to measure the amount of bilirubin in the urine. Large amounts of bilirubin in the body can lead to jaundice.
Bilirubin may also be measured with a blood test.
This test can be done on any urine sample.
For an infant, thoroughly wash the area where urine exits the body.
This procedure may take a few tries. An active baby can move the bag causing urine to go into the diaper.
Check the infant often and change the bag after the infant has urinated into it. Drain the urine from the bag into the container provided by your health care provider.
Deliver the sample to the laboratory or to your provider as soon as possible.
Many medicines can interfere with urine test results.
The test involves only normal urination, and there is no discomfort.
This test may be done to help diagnose liver or gallbladder problems.
Bilirubin is not normally found in the urine.
Increased levels of bilirubin in the urine may be due to:
Bilirubin can break down in light. That is why babies with jaundice are sometimes placed under blue fluorescent lamps.
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.