What causes high APTT and low ALT SGPT?

High APTT and low ALT SGPT can be caused by many reasons.

If your APTT is in between 22 seconds and 35 seconds and your ALT SGPT is in between 21 U/L and 72 U/L then you need not worry as these are the normal ranges for APTT and ALT SGPT 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	23.16
15-20 years	23.56
20-25 years	23.967
25-30 years	24.381
30-35 years	24.802
35-40 years	25.23
40-45 years	25.666
45-50 years	26.109
50-55 years	26.56
55-60 years	27.019
60-70 years	27.486
70-80 years	27.961
80-90 years	28.444
90-100 years	28.935
>100 years	29.435

*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 ALT SGPT : 21 - 72 U/L

Ideal values of ALT SGPT depending on age :

Age	Ideal ALT SGPT value
<5 years	21.363
5-10 years	21.732
10-15 years	22.107
15-20 years	22.489
20-25 years	22.877
25-30 years	23.272
30-35 years	23.674
35-40 years	24.083
40-45 years	24.499
45-50 years	24.922
50-55 years	25.352
55-60 years	25.79
60-70 years	26.235
70-80 years	26.688
80-90 years	27.149
90-100 years	27.618
>100 years	28.095

High APTT and low ALT SGPT can be caused by a lot of reasons. If you take APTT and ALT SGPT blood tests and the results are higher than 35 seconds for APTT and lower than 21 U/L for ALT SGPT, 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 ALT SGPT Tests Are Done :

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