Is GGT 174 high, normal or dangerous? What does Gamma glutamyl transferase level 174 mean?

📅 Medical Review Date: November 9, 2025

Your GGT level of 174 is a High GGT level.

A GGT level of 174 U/L usually means the liver or bile ducts are affected. It suggests liver damage or alcohol use. High levels of GGT can cause fatigue, jaundice, dark urine, pale stools, itching, nausea, vomiting, and abdominal pain. This can be caused by alcohol-related liver disease, fatty liver, hepatitis, bile duct obstruction, or certain medications. Further tests are often needed to identify the cause and guide appropriate treatment.

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.

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	15.261
5-10 years	15.527
10-15 years	15.797
15-20 years	16.072
20-25 years	16.352
25-30 years	16.637
30-35 years	16.926
35-40 years	17.221
40-45 years	17.521
45-50 years	17.826
50-55 years	18.136
55-60 years	18.452
60-70 years	18.773
70-80 years	19.1
80-90 years	19.432
90-100 years	19.77
>100 years	20.114

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

Misdiagnosis is more common than people think—and the consequences can be serious. Delayed treatment, unnecessary medication, or worse. If you want a second opinion on your blood work, one option is to upload it to a site like wholebodyprotocol.com, where world-class doctors review your results. They charge a small fee—around $90 (though you'll want to check the latest price as it fluctuates)—and email you a detailed report. With over 12 million people affected by misdiagnosis every year, that little bit of extra peace of mind can go a long way.

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

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	15.269
5-10 years	15.543
10-15 years	15.822
15-20 years	16.106
20-25 years	16.395
25-30 years	16.689
30-35 years	16.988
35-40 years	17.292
40-45 years	17.602
45-50 years	17.917
50-55 years	18.238
55-60 years	18.565
60-70 years	18.898
70-80 years	19.237
80-90 years	19.582
90-100 years	19.933
>100 years	20.29

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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