What causes high APTT and low Packed cell volume?

High APTT and low Packed cell volume can be caused by many reasons.

If your APTT is in between 22 seconds and 35 seconds and your Packed cell volume is in between 41 % and 49.5 % then you need not worry as these are the normal ranges for APTT and Packed cell volume 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	22.388
5-10 years	22.782
10-15 years	23.183
15-20 years	23.591
20-25 years	24.007
25-30 years	24.43
30-35 years	24.86
35-40 years	25.298
40-45 years	25.744
45-50 years	26.198
50-55 years	26.66
55-60 years	27.13
60-70 years	27.608
70-80 years	28.094
80-90 years	28.589
90-100 years	29.093
>100 years	29.606

*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 Packed cell volume : 41 - 49.5 %

Ideal values of Packed cell volume depending on age :

Age	Ideal Packed cell volume value
<5 years	41.722
5-10 years	42.457
10-15 years	43.205
15-20 years	43.966
20-25 years	44.741
25-30 years	45.529
30-35 years	46.331
35-40 years	47.147
40-45 years	47.978
45-50 years	48.823
50-55 years	48.808
55-60 years	48.793
60-70 years	48.778
70-80 years	48.762
80-90 years	48.747
90-100 years	48.732
>100 years	48.717

High APTT and low Packed cell volume can be caused by a lot of reasons. If you take APTT and Packed cell volume blood tests and the results are higher than 35 seconds for APTT and lower than 41 % for Packed cell volume, 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 Packed cell volume Tests Are Done :

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