GGT
Abbreviation
GGT
Transport Temp
2-8 C (ice packs)
Stability
store at 2-8 C up to 7 days, -20C >1 year
Minimum Vol
0.5 mL
Alternative Specimens
Plasma (lithium heparin or sodium heparin)
Reference Ranges
Male: 12-64 U/L Female: 9-36 U/L
Collection Instructions
Routine venipuncture
Transport Container
Draw tube or plastic pour off tube
Methodology
L-Gamma-glutamyl-3-carboxy-4-nitroanilide substrate
Clinical Significance
Elevated-obstructive jaundice, metastatic neoplasms, intra- or post-hepatic biliary obstruction. Moderate increase in infectious hepatitis.
Alternative Names
Gamma-Glutamyl Transferase
Anything else included in test?
N/A
Preferred Specimen
Serum