What causes high GGT and low Prothrombin time?

High GGT and low Prothrombin time can be caused by many reasons.

If your GGT is in between 15 U/L and 85 U/L and your Prothrombin time is in between 12 seconds and 16 seconds then you need not worry as these are the normal ranges for GGT and Prothrombin time 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	15.265
5-10 years	15.535
10-15 years	15.81
15-20 years	16.09
20-25 years	16.374
25-30 years	16.663
30-35 years	16.958
35-40 years	17.258
40-45 years	17.563
45-50 years	17.874
50-55 years	18.19
55-60 years	18.512
60-70 years	18.839
70-80 years	19.172
80-90 years	19.511
90-100 years	19.856
>100 years	20.207

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

Normal range of Prothrombin time : 12 - 16 seconds

Ideal values of Prothrombin time depending on age :

Age	Ideal Prothrombin time value
<5 years	12.212
5-10 years	12.428
10-15 years	12.648
15-20 years	12.872
20-25 years	13.1
25-30 years	13.332
30-35 years	13.568
35-40 years	13.808
40-45 years	14.052
45-50 years	14.3
50-55 years	14.553
55-60 years	14.81
60-70 years	15.072
70-80 years	15.338
80-90 years	15.609
90-100 years	15.885
>100 years	15.88

High GGT and low Prothrombin time can be caused by a lot of reasons. If you take GGT and Prothrombin time blood tests and the results are higher than 85 U/L for GGT and lower than 12 seconds for Prothrombin time, 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 Prothrombin time Tests Are Done :

If your doctor wants GGT and Prothrombin time tests on you, you may need to go through these tests. During the GGT and Prothrombin time 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 Prothrombin time 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