What causes high GGT and low APTT?

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

If your GGT is in between 15 U/L and 85 U/L and your APTT is in between 22 seconds and 35 seconds then you need not worry as these are the normal ranges for GGT and APTT 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	15.264
5-10 years	15.533
10-15 years	15.806
15-20 years	16.084
20-25 years	16.367
25-30 years	16.655
30-35 years	16.948
35-40 years	17.246
40-45 years	17.55
45-50 years	17.859
50-55 years	18.173
55-60 years	18.493
60-70 years	18.818
70-80 years	19.149
80-90 years	19.486
90-100 years	19.829
>100 years	20.178

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

Normal range of APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	22.387
5-10 years	22.781
10-15 years	23.182
15-20 years	23.59
20-25 years	24.005
25-30 years	24.427
30-35 years	24.857
35-40 years	25.294
40-45 years	25.739
45-50 years	26.192
50-55 years	26.653
55-60 years	27.122
60-70 years	27.599
70-80 years	28.085
80-90 years	28.579
90-100 years	29.082
>100 years	29.594

High GGT and low APTT can be caused by a lot of reasons. If you take GGT and APTT blood tests and the results are higher than 85 U/L for GGT and lower than 22 seconds for APTT, 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 APTT Tests Are Done :

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