What causes high APTT and low GGT?

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

If your APTT is in between 22 seconds and 35 seconds and your GGT is in between 15 U/L and 85 U/L then you need not worry as these are the normal ranges for APTT and GGT respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	22.38
5-10 years	22.767
10-15 years	23.161
15-20 years	23.561
20-25 years	23.968
25-30 years	24.382
30-35 years	24.804
35-40 years	25.233
40-45 years	25.669
45-50 years	26.113
50-55 years	26.564
55-60 years	27.023
60-70 years	27.49
70-80 years	27.965
80-90 years	28.449
90-100 years	28.941
>100 years	29.441

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

If you want your blood test report to be interpreted by APTT specialist, then you can upload your report. Our APTT expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

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Some examples of conditions that increase or decrease APTT levels include:

• Liver disease
• Vitamin K abnormality
• Decreased or defective factor I (fibrinogen), II (prothrombin), V or X
• Hemophilia A and hemophilia B
• Willebrand disease

If you want your blood test report to be interpreted by APTT specialist, you can upload your report. Our APTT expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal range of GGT : 15 - 85 U/L

Ideal values of GGT depending on age :

Age	Ideal GGT value
<5 years	15.259
5-10 years	15.523
10-15 years	15.791
15-20 years	16.064
20-25 years	16.342
25-30 years	16.625
30-35 years	16.912
35-40 years	17.204
40-45 years	17.501
45-50 years	17.804
50-55 years	18.112
55-60 years	18.425
60-70 years	18.744
70-80 years	19.068
80-90 years	19.398
90-100 years	19.733
>100 years	20.074

High APTT and low GGT can be caused by a lot of reasons. If you take APTT and GGT blood tests and the results are higher than 35 seconds for APTT and lower than 15 U/L for GGT, 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 APTT and GGT Tests Are Done :

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