What causes high GGT and low INR?

High GGT and low INR can be caused by many reasons.

If your GGT is in between 15 U/L and 85 U/L and your INR is in between 0.9 ratio and 1.2 ratio then you need not worry as these are the normal ranges for GGT and INR respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

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

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

GGT treatment - Click to read 10 GOLDEN ARTICLES on Liver health

Normal range of GGT : 15 - 85 U/L

Ideal values of GGT depending on age :

Age	Ideal GGT value
<5 years	15.266
5-10 years	15.537
10-15 years	15.813
15-20 years	16.094
20-25 years	16.38
25-30 years	16.671
30-35 years	16.967
35-40 years	17.268
40-45 years	17.574
45-50 years	17.886
50-55 years	18.203
55-60 years	18.526
60-70 years	18.855
70-80 years	19.189
80-90 years	19.529
90-100 years	19.875
>100 years	20.228

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

Normal range of INR : 0.9 - 1.2 ratio

Ideal values of INR depending on age :

Age	Ideal INR value
<5 years	0.916
5-10 years	0.932
10-15 years	0.949
15-20 years	0.966
20-25 years	0.983
25-30 years	1
30-35 years	1.018
35-40 years	1.036
40-45 years	1.054
45-50 years	1.073
50-55 years	1.092
55-60 years	1.111
60-70 years	1.131
70-80 years	1.151
80-90 years	1.171
90-100 years	1.192
>100 years	1.191

High GGT and low INR can be caused by a lot of reasons. If you take GGT and INR blood tests and the results are higher than 85 U/L for GGT and lower than 0.9 ratio for INR, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the GGT and INR Tests Are Done :

If your doctor wants GGT and INR tests on you, you may need to go through these tests. During the GGT and INR blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your GGT and INR Test reports by your pathologist.

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