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GGT
MessageChemistry
Test Code
LAB85
Alias/See Also
Gamma GT
CPT Codes
82977
Includes
Gamma-Glutamyltransferase
Preferred Specimen
Light green top tube (lithium heparin plasma)
Minimum Volume
Whole blood: 600 uL (one full light-green-top microtainer or two full red-top microtainers).
Serum/plasma: 300 uL plasma.
Serum/plasma: 300 uL plasma.
Other Acceptable Specimens
Gold top (serum separator tube) or Red Top
Instructions
LAB: Centrifuge and remove serum/ plasma within 4 hours of collection
Specimen Stability
Ambient: up to 7 days
Refrigerated: 7 days
Frozen: 2 months
Refrigerated: 7 days
Frozen: 2 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, contaminated, not enough volume
FDA Status
Approved
Setup Schedule
Everyday
Report Available
Same day
Reference Range
Female 12-43 U/L
Male 15-73 U/L
Male 15-73 U/L
Performing Laboratory
Hoag Newport/ Hoag Irvine
