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Old 05-31-2014
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Default Can unconjugated bilirubin -> urobilinogen?

Page 363 of FA 2014 says:
Unconjugated hyperbilirubinemia caused by diseases such as: Hemolysis, physiologic jaundice, Crigler-Najjar, and Gilbert will result in increased urine urobilinogen.

I thought only conjugated bilirubin can become urobilinogeen by gut flora. Is there another mechanism to the increased urobilinogen in urine during these diseases?
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