What causes high Packed cell volume and low APTT?

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

If your Packed cell volume is in between 41 % and 49.5 % and your APTT is in between 22 seconds and 35 seconds then you need not worry as these are the normal ranges for Packed cell volume and APTT respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease Packed cell volume levels include:

• Damage to the bone marrow
• Kidney failure
• Chronic inflammatory diseases
• Excessive destruction of red blood cells
• Congenital heart disease

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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	41.435
5-10 years	41.874
10-15 years	42.318
15-20 years	42.767
20-25 years	43.22
25-30 years	43.678
30-35 years	44.141
35-40 years	44.609
40-45 years	45.082
45-50 years	45.56
50-55 years	46.043
55-60 years	46.531
60-70 years	47.024
70-80 years	47.522
80-90 years	48.026
90-100 years	48.535
>100 years	49.049

*Ideal values are calculated based on our database of patient records

Normal range of APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	22.233
5-10 years	22.469
10-15 years	22.707
15-20 years	22.948
20-25 years	23.191
25-30 years	23.437
30-35 years	23.685
35-40 years	23.936
40-45 years	24.19
45-50 years	24.446
50-55 years	24.705
55-60 years	24.967
60-70 years	25.232
70-80 years	25.499
80-90 years	25.769
90-100 years	26.042
>100 years	26.318

High Packed cell volume and low APTT can be caused by a lot of reasons. If you take Packed cell volume and APTT blood tests and the results are higher than 49.5 % for Packed cell volume and lower than 22 seconds for APTT, 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 Packed cell volume and APTT Tests Are Done :

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