|Alternate:||GGT, Gamma GT|
|Available:||Daily, 24 hours|
|Turnaround:||Routine: 3 hours, STAT: 30 minutes|
|Container:||3 mL green top tube or green mictotainer (sodium heparin)|
|Temperature:||Transport to laboratory within 30 minutes.|
|Uses:||Elevation of progression of liver disease and hepatic metastasis, screening for alcoholsim, and as legal evidence in rape. GGT may be more accurate than alkaline phosphatase for hepatic disease because it is unaffected by abnormalitites of skeletal muscles.|
|Method:||Colorimetric biochromatic rate|
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