Liver markers
Check ALT, AST, ALP, GGT, and bilirubin on one page when you have several liver-related numbers from the same report.
5 marker pages currently mapped into this theme.
GGT is a liver-related blood test. A higher result may be associated with bile duct irritation, alcohol use, medicines, or other liver patterns. Educational only, not a diagnosis.
Educational information only. Not medical advice, diagnosis, or treatment.
Related reading: High ALT meaning · High AST meaning · High ALP meaning
Labs print their own reference range, and values can differ by sex and the method used. Compare your number with the range on your report. This site uses one simplified overlapping adult band only for a quick educational check.
Enter a valid number to see Low / Normal / High.
This check is for quick educational context only. It is not stored as a medical record and does not replace clinical interpretation. Always compare your result with the reference range printed on your own lab report.
Browse by theme
Theme hubs help you move from one marker page into the wider group that doctors often review alongside it. If you have several numbers from the same group, you can enter them together there.
Check ALT, AST, ALP, GGT, and bilirubin on one page when you have several liver-related numbers from the same report.
5 marker pages currently mapped into this theme.
Start with CBC-style markers such as hemoglobin, WBC, hematocrit, MCV, and RDW when the question is about blood cell patterns.
4 marker pages currently mapped into this theme.
Check ferritin, serum iron, transferrin saturation, and TIBC on one page. B12 and folate stay as linked explanations.
6 marker pages currently mapped into this theme.
Check LDL, HDL, triglycerides, and total cholesterol on one page instead of reading one cholesterol number in isolation.
4 marker pages currently mapped into this theme.
Check fasting glucose and HbA1c on one page when the question is about blood-sugar context, not a diagnosis.
2 marker pages currently mapped into this theme.
Check TSH and Free T4 on one page when the question is about thyroid-function context, not a diagnosis.
2 marker pages currently mapped into this theme.
Check creatinine, eGFR, sodium, potassium, and calcium on one page. Uric acid stays as a linked explanation.
6 marker pages currently mapped into this theme.
GGT can help add context when ALP is high and may help clinicians decide whether a pattern looks more liver-related.
Yes. Some medicines and supplements may be associated with higher GGT, which is why clinicians review medication history.
No. Alcohol is one possible factor, but several liver and bile-duct patterns may also affect GGT.
Track your GGT over time
Want to see how your GGT changes across tests and keep a clear history for your next appointment? Get notified when result tracking arrives.
Next step
Compare the marker with related tests, then use the guide if you want a calmer explanation of how blood test pages fit together.
This website provides general health information for educational purposes only.
It is not intended as medical advice, diagnosis, or treatment.
If you have symptoms or concerns, consult a qualified healthcare professional.