LAB TEST
Bilirubin - urine
Bilirubin is a yellowish pigment found in bile , which is a fluid produced by the liver and stored in the gallbladder. 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 or yellowing of the skin. Bilirubin may also be measured with a blood test.
How the Test is Performed
This test can be done on any urine sample. For an infant, thoroughly wash the area where urine exits the body. Open a urine collection bag (a plastic bag with an adhesive paper on one end). For males, place the entire penis in the bag and attach the adhesive to the skin. For females, place the bag over the labia.…
How to Prepare for the Test
Many medicines can interfere with blood test results. Your provider will tell you if you need to stop taking any medicines before you have this test. Do not stop or change your medicines without first talking to your provider.
How the Test will Feel
The test involves only normal urination, and there is no discomfort.
Why the Test is Performed
This test may be done to diagnose liver or gallbladder problems.
Normal Results
Bilirubin is not normally found in the urine.
What Abnormal Results Mean
Increased levels of bilirubin in the urine may be due to: Biliary tract disease, including gallstones in the biliary tract Cirrhosis , hepatitis , or other forms of liver disease Tumors of the liver or gallbladder
Considerations
Bilirubin can break down in light. That is why babies with jaundice are sometimes placed under blue fluorescent lamps.
References
Dean AJ, Lee DC. Bedside laboratory and microbiologic procedures. In: Roberts JR, Custalow CB, Thomsen TW, eds. Roberts and Hedges' Clinical Procedures in Emergency Medicine and Acute Care . 7th ed. Philadelphia, PA: Elsevier; 2019:chap 67. Korenblat KM. Approach to the patient with jaundice or abnormal liver test…
This is a summary. Read the full article at www.ucsfbenioffchildrens.org (reviewed 20/08/2023).
This page is general information and is not medical advice. It does not replace a registered doctor, and it is not a prescription or a recommendation to use any medicine or test. Prices are listed prices and may change. Always follow the advice of your doctor or pharmacist.