What is the role of glutamyl transpeptidase (GGT) testing in the diagnosis of fatty liver disease?

Updated: Apr 12, 2018
  • Author: Emily Tommolino, MD; Chief Editor: BS Anand, MD  more...
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An increase in the levels of glutamyl transpeptidase (GGT) may be related to alcohol use, but this study lacks specificity and sensitivity, and as many as 70% of people who abuse alcohol have normal values.

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