What are serum bilirubin level findings suggestive of intrahepatic 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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Both conjugated and unconjugated bilirubin fractions may increase in varying proportions. The unconjugated fraction may be increased because of the inability of the damaged cells to conjugate normal amounts of unconjugated serum bilirubin. The increase of the conjugated fraction usually results from metabolic deficiency in the excretory mechanism caused by the inflammatory process of the disease.

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