Gamma Glutamyl Transferase

Test Code: TD_CH118
CPT Code(s): 82977

$10

Test Details

Alternative Name(s)

GGT

Test Includes

Gamma Glutamyl Transferase

Methodology

Abbott Alinity automated methodology

Rejection Criteria

Gross hemolysis

Reference Range(s)

“GGT

Specimen Requirements

Preferred Specimen

Serum separator tube

Minimum Volume

0.25 mL serum

Sample Stability

7 days room temp
7 days refrigerated
1 year frozen

Transport Temperature

Refrigerated

Collection Instructions

Allow SST to clot in an upright position for at least 30 minutes, then centrifuge sample within 2 hours of collection. Refrigerate.

Alternative Specimen

0.25 mL serum from a plain red top tube. Allow sample to clot in an upright position for at least 60 minutes, then centrifuge sample and transfer serum to a plastic transport tube within 2 hours of collection. Clearly label tube as serum from a plain red top tube. Refrigerate.