What causes high APTT and low Hematocrit?

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

If your APTT is in between 22 seconds and 35 seconds and your Hematocrit is in between 40 % and 50 % then you need not worry as these are the normal ranges for APTT and Hematocrit 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	22.375
5-10 years	22.756
10-15 years	23.144
15-20 years	23.538
20-25 years	23.939
25-30 years	24.347
30-35 years	24.762
35-40 years	25.184
40-45 years	25.613
45-50 years	26.049
50-55 years	26.493
55-60 years	26.944
60-70 years	27.403
70-80 years	27.87
80-90 years	28.345
90-100 years	28.828
>100 years	29.319

*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 Hematocrit : 40 - 50 %

Ideal values of Hematocrit depending on age :

Age	Ideal Hematocrit value
<5 years	40.682
5-10 years	41.375
10-15 years	42.08
15-20 years	42.797
20-25 years	43.526
25-30 years	44.268
30-35 years	45.022
35-40 years	45.789
40-45 years	46.569
45-50 years	47.363
50-55 years	48.17
55-60 years	48.991
60-70 years	49.826
70-80 years	49.811
80-90 years	49.797
90-100 years	49.783
>100 years	49.768

High APTT and low Hematocrit can be caused by a lot of reasons. If you take APTT and Hematocrit blood tests and the results are higher than 35 seconds for APTT and lower than 40 % for Hematocrit, 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 Hematocrit Tests Are Done :

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