Is GGT 255 high, normal or dangerous? What does Gamma glutamyl transferase level 255 mean?

📅 Medical Review Date: January 2, 2026

Your GGT level of 255 is a High GGT level.

High GGT levels may indicate underlying health problems. The normal range is typically between 15 U/L and 85 U/L. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

Important - Scroll to the end of this article to see how our patients managed their high GGT levels

The normal GGT range for men is :15 - 85 U/L

**Ideal values of GGT depending on age (male) :**
Age	Ideal GGT value
<5 years	15.383
5-10 years	15.775
10-15 years	16.177
15-20 years	16.59
20-25 years	17.013
25-30 years	17.447
30-35 years	17.892
35-40 years	18.348
40-45 years	18.816
45-50 years	19.296
50-55 years	19.788
55-60 years	20.293
60-70 years	20.81
70-80 years	21.341
80-90 years	21.885
90-100 years	22.443
>100 years	23.015

*Ideal values are calculated based on our database of patient records

Get Advice via Email : Send us your blood test report, and our GGT experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides GGT, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

1,51,150

Total number of patients treated

Important - Read more questions about high GGT levels after this video message

A video message on the treatment of your high GGT level

If you want your blood test report to be interpreted by GGT specialist, you can upload your report. Our GGT expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

Important - At the end of this article read how our patients treated their high GGT levels

Some examples of conditions that increase or decrease GGT levels include:

Blockage of the bile ducts.
Cardiovascular disease
Liver diseases
Alcohol abuse
Congestive heart failure

Receive world-class medical opinion about your high GGT levels over email.Upload blood test report now

Important - At the end of this article read how our patients treated their high GGT levels

Also Read :How our patients treated their high ggt?

Normal range of GGT found among women :15-85 U/L

**Ideal values of GGT depending on age (female) :**
Age	Ideal GGT value
<5 years	15.394
5-10 years	15.798
10-15 years	16.213
15-20 years	16.639
20-25 years	17.076
25-30 years	17.525
30-35 years	17.985
35-40 years	18.457
40-45 years	18.942
45-50 years	19.44
50-55 years	19.951
55-60 years	20.475
60-70 years	21.013
70-80 years	21.565
80-90 years	22.131
90-100 years	22.712
>100 years	23.309

Upload your blood test report

If you take a GGT blood test and the results are not in the normal range (15-85 U/L), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

Important :How our patients treated their high ggt?

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How the GGT Test Is Done :

When your doctor orders a GGT test, it involves a straightforward blood draw to measure your GGT levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your GGT test results are usually available within a few hours.