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Test Code SQ GGT, EPIC LAB85 GGT (Gamma-Glutamyltransferase), Plasma

Methodology

Enzymatic Colorimetric

Performing Laboratory

Meriter Laboratories

Specimen Requirements

Specimen Type: Plasma
Container/Tube: Light-green top (lithium heparin gel)
Specimen Volume: 1 mL
Collection Instructions: Avoid hemolysis.

Specimen Transport Temperature

Refrigerated

Reference Values

Males
<5 days:  50-400 U/L
5 days-1 month:  0-230 U/L
2 months:  0-115 U/L
3 months:  0-90 U/L
4-6 months:  0-55 U/L
7-11 months:  0-32 U/L
1-9 years:  0-20 U/L
10-17 years:  0-29 U/L
18-59 years:  8-61 U/L
≥60 years:  7-49 U/L
Females
<5 days:  50-400 U/L
5 days-1 month:  0-230 U/L
2 months:  0-115 U/L
3 months:  0-90 U/L
4-6 months:  0-55 U/L
7-11 months:  0-32 U/L
1-9 years:  0-20 U/L
10-17 years:  0-29 U/L
≥18 years:  5-36 U/L

Day(s) Test Set Up

Monday through Sunday

Specimen Requirements Additional Information

Specimen Stability:

Plasma is stable at ambient temperature (15o C-25o C) for 7 days, refrigerated (2o C-8o C) for 7 days, and frozen (≤15o C) 1 year.

Test Classification and CPT Coding

82977