Our priority is to ensure the safety and well-being of our patients and residents, and our people.

Emergency department outbreak information >>

Only pre-approved visitors can visit patients at our sites. Please check our COVID-19 information page to learn more about what to expect for your appointment/visit and how to be approved as a visitor. >>

Book an appointment online for COVID-19 testing at one of our Assessment Centres. >>


Text size: a a a

Laboratory Medicine

Test catalogue

Gamma-Glutamyl Transferase (GGT)

Test Name

Gamma-Glutamyl Transferase (GGT)

Gold Tube Specimen Type / Requirements

Container Type = Gold (SST)

Minimum Volume = 1ml Serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in a gold top (SST) EDTA plasma is also acceptable.

Write your initials, date and time of collection on the collection label.

Stability: Stable at room temperature for 1 week, refrigerated for 1 week and frozen -15 to -20°C for 2 months

Transportation: Transport at room temperature ASAP. Spin if sample time of collection to time sample get to lab exceeds 2hrs

Laboratory Staff Instructions: Separate serum or plasma from cells within 2 hours of collection. .

Sample Rejection Criteria: Grossly hemolyzed samples, Unlabeled or Not Sufficient Quantity samples will be rejected

Required Documentation

Turnaround Time (TAT)

1 hour STAT/Trauma, 2 hours routine

Test Utilization

Reference Value

8 - 78 U/L

Test Code

GGT

Methodology

Spectrophotometric

Testing Location

SMH-Biochemistry

Other Information

Last Updated: June 06, 2019