What causes high HDL cholesterol and low APTT?

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

If your HDL cholesterol is in between 40 mg/dL and 60 mg/dL and your APTT is in between 22 seconds and 35 seconds then you need not worry as these are the normal ranges for HDL cholesterol and APTT 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 HDL cholesterol : 40 - 60 mg/dL

Ideal values of HDL cholesterol depending on age :

Age	Ideal HDL cholesterol value
<5 years	40.704
5-10 years	41.42
10-15 years	42.149
15-20 years	42.891
20-25 years	43.646
25-30 years	44.414
30-35 years	45.196
35-40 years	45.991
40-45 years	46.8
45-50 years	47.624
50-55 years	48.462
55-60 years	49.315
60-70 years	50.183
70-80 years	51.066
80-90 years	51.965
90-100 years	52.88
>100 years	53.811

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

If you want your blood test report to be interpreted by HDL cholesterol specialist, then you can upload your report. Our HDL cholesterol 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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HDL cholesterol treatment - Click to read 10 GOLDEN ARTICLES on HDL cholesterol

Some examples of conditions that decrease HDL cholesterol levels include:

• Liver disease
• Taking certain drugs such as corticosteroids
• Chronic kidney disease
• Lupus
• Diabetes

If you want your blood test report to be interpreted by HDL cholesterol specialist, you can upload your report. Our HDL cholesterol 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 APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	22.387
5-10 years	22.781
10-15 years	23.182
15-20 years	23.59
20-25 years	24.005
25-30 years	24.427
30-35 years	24.857
35-40 years	25.294
40-45 years	25.739
45-50 years	26.192
50-55 years	26.653
55-60 years	27.122
60-70 years	27.599
70-80 years	28.085
80-90 years	28.579
90-100 years	29.082
>100 years	29.594

High HDL cholesterol and low APTT can be caused by a lot of reasons. If you take HDL cholesterol and APTT blood tests and the results are higher than 60 mg/dL for HDL cholesterol 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 HDL cholesterol and APTT Tests Are Done :

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

Medical References

• MedlinePlus – HDL test
• Cleveland Clinic – HDL: Why It Is “Good” Cholesterol
• Mayo Clinic – Cholesterol test