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What is a gamma-glutamyl transferase (GGT) test in children?
A gamma-glutamyl transferase (GGT) test is a test to look for GGT in your child's blood. GGT is a protein (enzyme) that speeds up chemical reactions in the body. It's found mainly in the liver and the bile ducts. It's also called gamma-glutamyl transpeptidase.
Why is a gamma-glutamyl transferase (GGT) test done in children?
The test is done to check for liver disease and bile duct blockage in children. It's also done when a child may have swallowed drugs or alcohol by accident. The GGT test is usually done along with other tests, such as alanine aminotransferase (ALT).
How is a gamma-glutamyl transferase (GGT) test done?
A health professional uses a needle to take a blood sample, usually from the arm.
How do you prepare for a gamma-glutamyl transferase (GGT) test?
In general, there's nothing you have to do before this test, unless your doctor tells you to.
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