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Medical Term:

direct reacting bilirubin


Definition: the fraction of serum bilirubin which has been conjugated with glucuronic acid in the liver cell to form bilirubin diglucuronide; so called because it reacts directly with the Ehrlich diazo reagent; increased levels are found in hepatobiliary diseases, especially of the obstructive variety.

Synonym(s): conjugated bilirubin

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