What causes high APTT and low HDL cholesterol?

High APTT and low HDL cholesterol can be caused by many reasons.

If your APTT is in between 22 seconds and 35 seconds and your HDL cholesterol is in between 40 mg/dL and 60 mg/dL then you need not worry as these are the normal ranges for APTT and HDL cholesterol 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	22.382
5-10 years	22.77
10-15 years	23.165
15-20 years	23.567
20-25 years	23.976
25-30 years	24.392
30-35 years	24.815
35-40 years	25.246
40-45 years	25.684
45-50 years	26.13
50-55 years	26.583
55-60 years	27.044
60-70 years	27.513
70-80 years	27.99
80-90 years	28.476
90-100 years	28.97
>100 years	29.473

*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 HDL cholesterol : 40 - 60 mg/dL

Ideal values of HDL cholesterol depending on age :

Age	Ideal HDL cholesterol value
<5 years	40.694
5-10 years	41.4
10-15 years	42.118
15-20 years	42.849
20-25 years	43.592
25-30 years	44.348
30-35 years	45.117
35-40 years	45.9
40-45 years	46.696
45-50 years	47.506
50-55 years	48.33
55-60 years	49.169
60-70 years	50.022
70-80 years	50.89
80-90 years	51.773
90-100 years	52.671
>100 years	53.585

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

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