What serum bilirubin level findings suggest biliary obstruction?

Updated: Oct 16, 2019
  • Author: Jennifer Lynn Bonheur, MD; Chief Editor: Vinay Kumar Kapoor, MBBS, MS, FRCS, FAMS  more...
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Regardless of the cause of cholestasis, serum bilirubin values (especially direct) are usually elevated. However, the degree of hyperbilirubinemia cannot help reliably distinguish between the causes of obstruction.

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