What causes high APTT and low MPV?

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

If your APTT is in between 22 seconds and 35 seconds and your MPV is in between 6.8 fL and 10.9 fL then you need not worry as these are the normal ranges for APTT and MPV 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	22.376
5-10 years	22.758
10-15 years	23.147
15-20 years	23.543
20-25 years	23.945
25-30 years	24.354
30-35 years	24.77
35-40 years	25.193
40-45 years	25.624
45-50 years	26.062
50-55 years	26.507
55-60 years	26.96
60-70 years	27.421
70-80 years	27.89
80-90 years	28.367
90-100 years	28.852
>100 years	29.345

*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 MPV : 6.8 - 10.9 fL

Ideal values of MPV depending on age :

Age	Ideal MPV value
<5 years	6.916
5-10 years	7.034
10-15 years	7.154
15-20 years	7.276
20-25 years	7.4
25-30 years	7.526
30-35 years	7.655
35-40 years	7.786
40-45 years	7.919
45-50 years	8.054
50-55 years	8.192
55-60 years	8.332
60-70 years	8.474
70-80 years	8.619
80-90 years	8.766
90-100 years	8.916
>100 years	9.068

High APTT and low MPV can be caused by a lot of reasons. If you take APTT and MPV blood tests and the results are higher than 35 seconds for APTT and lower than 6.8 fL for MPV, 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 MPV Tests Are Done :

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