Bilirubin - urine

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Male urinary system

Conjugated bilirubin-urine; Direct bilirubin-urine

There are no risks.

Bilirubin can breakdown in the presence of light. That's why babies with jaundice are sometimes placed under blue fluorescent lamps. See Bili Lights.

Drugs than can falsely elevate the test result include allopurinol, some antibiotics, barbiturates, chlorpromazine, diuretics, ethoxazene, oral contraceptives, phenazopyridine, steroids, and sulfonamides.

Drugs that can cause false negative results include indomethacin and ascorbic acid.

Review Date: 05/17/2005
Reviewed By: Nikheel S. Kolatkar, MD, Clinical and Research Fellow, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical School, Boston, MA. Review provided by VeriMed Healthcare Network.