GGT
A gamma-glutamyl transferase (GGT) test measures the amount of GGT in your blood GGT is an enzyme. The normal range is 8–61 U/L for male, 18 y+, as Mayo Clinic Laboratories (Test Catalog) publishes it.
Enzymes are proteins that speed up certain chemical reactions in your body. Thousands of enzymes play an important role in all of your body functions. The GGT enzyme is found throughout your body, but it is mainly found in your liver.
Source: MedlinePlus, U.S. National Library of MedicineNormal range
22 published ranges, each from a named source 861 U/L drawn: male, 18 y+ · Mayo Clinic Laboratories (Test Catalog)
- Female · 18 y+
- 5–36 U/L
- Female
- 8–40 U/L
- Male · 18 y+
- 8–61 U/L
- Male
- 9–50 U/L
All source ranges (22)
by lab, sex and age, as published ·
What a high or low result can mean
LOINC2HPO, Monarch InitiativeA high result Elevated gamma-glutamyltransferase level
This is reference information, not a diagnosis: only a clinician can interpret your result in context.
- Sample
- Serum or plasma · LOINC
- Collection
- Serum gel tube · 0.5 mL · Mayo Clinic Laboratories (Test Catalog)
- Part of
- Bryan Johnson Blueprint
- Listed under
- Alcohol Use Disorder (AUD) · Bile Duct Diseases · Cirrhosis · Gallbladder Cancer · Hemochromatosis · Hepatitis · Hepatitis A · Hepatitis B · Hepatitis C · Jaundice · Liver Cancer · Liver Diseases
- Code
- LOINC 2324-2 · U/L
- Also called
- Gamma glutamyl transferase, GGTP, Gamma-GTP, GT
See your own GGT Upload a lab PDF and it is drawn against your lab's range, over time. Free, no account. Upload a Blood Test
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