Glutamyl transferase

Glutamyl transferase
S -GT KL 1489

Glutamyl transferase levels in serum are strongly elevated in bile duct obstruction, both intra- and extrahepatic. They are also elevated in liver metastases, alcohol cirrhosis and hepatitis; the levels may remain elevated for weeks after viral hepatitis. Small increases in glutamyl transferase levels are seen in patients with fatty liver disease of various aetiologies. 


Diagnostics and monitoring of hepatic and biliary diseases. Suspected excessive alcohol use.


1 mL of serum or Li-heparin plasma

Storage and delivery

Delivery at room temperature. Store refrigerated over the weekend.


Photometric, in accordance with IFCC recommendation. 

Turnaround time

1 – 2 weekdays

Reference ranges 

                   women         men

0 – 17 yrs       below 50      below 50
18 – 39 yrs    10 – 45          10 – 80
​from 40 yrs    10 – 75          15 – 115