Is Serum Cholesterol 6.63 high, normal or dangerous? What does Serum Cholesterol level 6.63 mean?

📅 Medical Review Date: March 31, 2026

Your Serum Cholesterol level of 6.63 is a High Serum Cholesterol level.

High Serum Cholesterol levels may indicate underlying health problems. The normal range is typically between 2.59 mmol/L and 5.15 mmol/L. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal Serum Cholesterol range for men is :2.59 - 5.15 mmol/L

Ideal values of Serum Cholesterol depending on age (male) :

Age	Ideal Serum Cholesterol value
<5 years	2.762
5-10 years	2.945
10-15 years	3.14
15-20 years	3.348
20-25 years	3.57
25-30 years	3.807
30-35 years	4.059
35-40 years	4.328
40-45 years	4.615
45-50 years	4.921
50-55 years	4.899
55-60 years	4.878
60-70 years	4.856
70-80 years	4.835
80-90 years	4.814
90-100 years	5.133
>100 years	5.11

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

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Normal range of Serum Cholesterol found among women :2.59-5.15 mmol/L

Ideal values of Serum Cholesterol depending on age (female) :

Age	Ideal Serum Cholesterol value
<5 years	2.767
5-10 years	2.956
10-15 years	3.158
15-20 years	3.374
20-25 years	3.604
25-30 years	3.85
30-35 years	4.113
35-40 years	4.394
40-45 years	4.694
45-50 years	5.015
50-55 years	4.991
55-60 years	4.968
60-70 years	4.945
70-80 years	4.922
80-90 years	4.899
90-100 years	4.877
>100 years	4.854

If you take a Serum Cholesterol blood test and the results are not in the normal range (2.59-5.15 mmol/L), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the Serum Cholesterol Test Is Done :

When your doctor orders a Serum Cholesterol test, it involves a straightforward blood draw to measure your Serum Cholesterol levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your Serum Cholesterol test results are usually available within a few hours.

Medical References

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