Laboratory test
Gamma-glutamyl transferase (GGT)
Test code · БХ.005
GGT is an enzyme used when investigating the liver and bile ducts.
- Specimen
- Blood serum
- Turnaround time
- 1–2 days
Collection points for the selected city
About the test
GGT is an enzyme used when investigating the liver and bile ducts. Its activity may increase when bile flow is impaired and in certain types of liver injury. Together with alkaline phosphatase, it helps clarify the likely source of an alkaline phosphatase increase: the liver or bone tissue.
Alcohol and medicines can affect GGT; the result alone does not establish a diagnosis or identify the cause of injury. The doctor assesses the result together with symptoms, medical history and other investigations. The reference values of the individual laboratory are used for comparison, and changes over time are considered during follow-up.
Why it is ordered
- Complement assessment of the liver and bile ducts.
- Clarify the source of elevated alkaline phosphatase.
How to prepare
Before taking the test, check the preparation and specimen collection requirements with the laboratory. Tell your doctor about medicines and recent treatment. Do not stop prescribed medicines on your own.
Where to have the test
All collection pointsCheck whether the test can be taken at your chosen collection point.
Happy Clinic
Rasul Dent
We will help you prepare for your visit
We will answer questions about services and the testing process.