What causes high Cholesterol and low HDL cholesterol?

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

If your Cholesterol is in between 125 mg/dL and 200 mg/dL 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 Cholesterol 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 Cholesterol : 125 - 200 mg/dL

Ideal values of Cholesterol depending on age :

Age	Ideal 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

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

If you want your blood test report to be interpreted by Cholesterol specialist, then you can upload your report. Our 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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Some examples of conditions that increase or decrease Cholesterol levels include:

• Chronic kidney disease
• Diabetes
• Lupus
• Familial hypercholesterolemia
• Hypothyroidism

If you want your blood test report to be interpreted by Cholesterol specialist, you can upload your report. Our 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 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 Cholesterol and low HDL cholesterol can be caused by a lot of reasons. If you take Cholesterol and HDL cholesterol blood tests and the results are higher than 200 mg/dL for Cholesterol 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 Cholesterol and HDL cholesterol Tests Are Done :

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

Medical References

• Mayo Clinic – Cholesterol test
• MedlinePlus – Cholesterol Levels
• Cleveland Clinic – Cholesterol: Understanding Levels & Numbers