G-GLUTAMYLTRANSFERASE (GGT)
Test Code: LAB85
CPT Code: 82977
Interface Code
GGT
Synonym
GLUTAMYL TRANSPETIDASE, GLUTAMYLTRANSFERASE, Gamma Glutamyl Transferase, GGT
Specimen Type
Serum (preferred) or Plasma
Specimen Container
Green top (lithium heparin), Red top or serum gel
Specimen Handling
Allow specimen to clot for at least 30 minutes before centrifugation. Centrifuge within 2 hours of collection. If a red top tube is used: Centrifuge and transfer serum using a disposable pipette into a transport tube, cap and label.
Volume
1 mL
Minimum Volume
0.4 mL
Temperature
Room temperature
Methodology
KINETIC METHOD
Stability
Room Temperature: 7 days
Refrigerated Temperature: 7 days
Frozen (-20°C): ok
Plasma:
Room Temperature: 24 hours
Refrigerated Temperature: 48 hours
Frozen (-20°C): ok
Refrigerated Temperature: 7 days
Frozen (-20°C): ok
Plasma:
Room Temperature: 24 hours
Refrigerated Temperature: 48 hours
Frozen (-20°C): ok
Reference Range Information
Reference values are dependent upon methodology/instrumentation, check final report for current reference values
Turn Around Time
24 hours
Performing Site
Pacific Diagnostic Laboratories
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