Test Code LAB0213462 Gamma-Glutamyltransferase (GGT), Plasma

Methodology

L-Gamma-Glutamyl-3-Carboxy-4-Nitroanilide Substrate

Useful for the detection of cholestatic liver disease and drug and alcohol abuse.

CentraCare Laboratory Services

Specimen Type: Plasma

Container/Tube:

Preferred: Green top (Lithium heparin/PST)

Acceptable: Serum(Red top, Gold/SST), Na Heparin plasma (label specimen appropriately)

Specimen Volume: 0.5 mL

Minimum: 0.25 ml

Refrigerated

0-30 days: 24-171 U/L

1-4 months: 16-147 U/L

4-6 months: 5-93 U/L

>6 months: 8-38 U/L

Monday through Sunday

82977