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Gamma Glutamyl-transferase

Source Blood 
Mnemonic GGT 
Specimen Requirements

1 x 5 mL light green (mint) top PST tube.  Gold top SST tube is also acceptable.

0.2 mL heparinized plasma or serum

Minimum Blood Volume for Patients less than 45 kg (100 lb) Including Neonates and Pediatrics

 
Specimen Handling  
Additional Information Gamma Glutamyl-transferase can also be performed on fluids (test mnemonic FLGGT) 
Testing Location Chemistry-All Sites 
Testing Frequency Daily 
Alternate Name(s) GGT 
Reference Interval

Male

11-63 U/L

Female

8-35 U/L
 


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