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Gamma glutamyl transferase

About This Test

Department: Biochemistry


  • Gel/clotted/lithium heparin (yellow/red/green top)

Add-on requests are accepted


Turnaround Time:

Within 24 hours


Distinction of bone and hepatic disease.

Elevation of GGT in conjunction with ALP is indicative of liver pathology rather than bone pathology. GGT is commonly elevated in patients who abuse alcohol, especially those with recent intake. Various medications/drugs may elevate GGT concentration

Reference ranges:

Age range Reference range (U/L)
All ages/sexes 0 - 35

Derived by clinical consensus (Gastroenterology)

Results outside the reference range do not necessarily indicate disease. Similarly, results within the reference range do not preclude abnormality. Please contact the Duty Biochemist for discussion of individual patient results.

Other Comments:

For more information, please see the following: GGT - Lab Tests Online

See also: ALPALTBilirubinAlbumin