What causes high HDL cholesterol and low RDW SD?

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

If your HDL cholesterol is in between 40 mg/dL and 60 mg/dL and your RDW SD is in between 39 fL and 46 fL then you need not worry as these are the normal ranges for HDL cholesterol and RDW SD 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	40.708
5-10 years	41.429
10-15 years	42.162
15-20 years	42.908
20-25 years	43.667
25-30 years	44.44
30-35 years	45.227
35-40 years	46.028
40-45 years	46.843
45-50 years	47.672
50-55 years	48.516
55-60 years	49.375
60-70 years	50.249
70-80 years	51.138
80-90 years	52.043
90-100 years	52.964
>100 years	53.901

*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 RDW SD : 39 - 46 fL

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.69
5-10 years	40.393
10-15 years	41.108
15-20 years	41.836
20-25 years	42.576
25-30 years	43.33
30-35 years	44.097
35-40 years	44.878
40-45 years	45.672
45-50 years	45.657
50-55 years	45.643
55-60 years	45.629
60-70 years	45.615
70-80 years	45.6
80-90 years	45.586
90-100 years	45.572
>100 years	45.558

High HDL cholesterol and low RDW SD can be caused by a lot of reasons. If you take HDL cholesterol and RDW SD blood tests and the results are higher than 60 mg/dL for HDL cholesterol and lower than 39 fL for RDW SD, 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 RDW SD Tests Are Done :

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

Medical References

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