Bilirubin; urine
Alternative names:
conjugated bilirubin-urine; direct bilirubin-urine
Normal values:
Bilirubin is not in the urine.
What abnormal results mean:
If the bile ducts are obstructed, direct bilirubin will build up to a high enough level that some of it will escape from the liver into the blood. If the levels are high enough, some of it will also appear in the urine. Only direct bilirubin appears in the urine. Increased direct bilirubin usually means that the biliary (liver secretion) ducts are obstructed.
Increased urinary bilirubin may indicate:
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