Is GGT 39 normal, high or low? What does Gamma glutamyl transferase level 39 mean?

📅 Medical Review Date: January 15, 2026

Your GGT level of 39 is a Normal GGT level.

Normal 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.

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	15.585
5-10 years	16.193
10-15 years	16.825
15-20 years	17.481
20-25 years	18.163
25-30 years	18.871
30-35 years	19.607
35-40 years	20.372
40-45 years	21.167
45-50 years	21.993
50-55 years	22.851
55-60 years	23.742
60-70 years	24.668
70-80 years	25.63
80-90 years	26.63
90-100 years	27.669
>100 years	28.748

*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

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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 normal GGT levels over email.Upload blood test report now

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	15.603
5-10 years	16.23
10-15 years	16.882
15-20 years	17.56
20-25 years	18.265
25-30 years	18.999
30-35 years	19.762
35-40 years	20.556
40-45 years	21.382
45-50 years	22.241
50-55 years	23.134
55-60 years	24.063
60-70 years	25.03
70-80 years	26.035
80-90 years	27.081
90-100 years	28.169
>100 years	29.301

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.

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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.

Medical References

• MedlinePlus – Gamma-glutamyl Transferase (GGT) Test
• Cleveland Clinic – Gamma-Glutamyl Transferase (GGT) Test: What It Is & Results
• WebMD – Gamma-Glutamyl Transpeptidase (GGT) Test

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