Gamma GT

Test Code

LAB85

Alias/See Also

Gamma-Glutamyltransferase (GGT), serum or plasma

Gamma-Glutamyltranspeptidase (GGTP)
GGT (Gamma-Glutamyltransferase)
GGTP (Gamma-Glutamyltranspeptidase)
Transpeptidase, Gamma-Glutamyl

CPT Codes
82977

Instructions

"Routine venipuncture
Collect one 4.5ml light green top (heparin) tube or one 5ml Red/gold top serum separator tube "

Specimen Stability

Refrigerate, stable 48 hours; stable 8 hours at room temperature; stable >48 hours if frozen.

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Insufficient quantity; gross hemolysis; failure to follow stability requirements

Methodology
Multiple point rate:The rate of change in reflection density is measured and is used to calculate the enzyme activity of GGT.

Setup Schedule

Daily/STAT

Report Available

"Within 24hrs
STAT:1hr"

Reference Range

"Female: 12 - 43 U/L
Male: 15-73 U/L"

Additional Information
NCD Gamma Glutamyl Transferase

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.