BIL-D | Direct bilirubin

Direct bilirubin (BIL-D) - soluble in water, it is excreted by the kidneys. Normally, direct (conjugated) bilirubin does not enter the bloodstream or only in trace amounts. Direct bilirubin increases in acute viral hepatitis, mechanical jaundice, gallstones, cytomegalovirus infection, infectious mononucleosis.