What causes high APTT and low PCV?

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

If your APTT is in between 22 seconds and 35 seconds and your PCV is in between 39 % and 51 % then you need not worry as these are the normal ranges for APTT and PCV 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	22.387
5-10 years	22.78
10-15 years	23.18
15-20 years	23.587
20-25 years	24.001
25-30 years	24.423
30-35 years	24.852
35-40 years	25.289
40-45 years	25.733
45-50 years	26.185
50-55 years	26.645
55-60 years	27.113
60-70 years	27.589
70-80 years	28.074
80-90 years	28.567
90-100 years	29.069
>100 years	29.58

*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 PCV : 39 - 51 %

Ideal values of PCV depending on age :

Age	Ideal PCV value
<5 years	39.685
5-10 years	40.382
10-15 years	41.092
15-20 years	41.814
20-25 years	42.549
25-30 years	43.297
30-35 years	44.058
35-40 years	44.832
40-45 years	45.62
45-50 years	46.422
50-55 years	47.238
55-60 years	48.068
60-70 years	48.913
70-80 years	49.772
80-90 years	50.646
90-100 years	50.631
>100 years	50.616

High APTT and low PCV can be caused by a lot of reasons. If you take APTT and PCV blood tests and the results are higher than 35 seconds for APTT and lower than 39 % for PCV, 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 PCV Tests Are Done :

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