Is Calcium 8.1 low, normal or dangerous? What does Calcium level 8.1 mean?

📅 Medical Review Date: December 23, 2025

Your Calcium level of 8.1 is a Low Calcium level.

Low Calcium levels may indicate underlying health problems. The normal range is typically between 8.5 mg/dL and 10.1 mg/dL. 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 Calcium range for men is :8.5 - 10.1 mg/dL

Ideal values of Calcium depending on age (male) :

Age	Ideal Calcium value
<5 years	9.189
5-10 years	9.933
10-15 years	9.868
15-20 years	9.803
20-25 years	9.739
25-30 years	9.675
30-35 years	9.612
35-40 years	9.549
40-45 years	9.486
45-50 years	9.423
50-55 years	9.361
55-60 years	9.299
60-70 years	10.052
70-80 years	9.986
80-90 years	9.921
90-100 years	9.856
>100 years	9.791

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

Get Advice via Email : Send us your blood test report, and our Calcium experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides Calcium, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

1,51,150

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A video message on the treatment of your low Calcium level

If you want your blood test report to be interpreted by Calcium specialist, you can upload your report. Our Calcium expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

Some examples of conditions that increase or decrease Calcium levels include:

• Overactive parathyroid glands
• Some Medications like thiazide diuretics
• Kidney failure.
• Lung diseases
• Taking too much of vitamin D supplements

Receive world-class medical opinion about your low Calcium levels over email.Upload blood test report now

Normal range of Calcium found among women :8.5-10.1 mg/dL

Ideal values of Calcium depending on age (female) :

Age	Ideal Calcium value
<5 years	9.209
5-10 years	9.977
10-15 years	9.907
15-20 years	9.838
20-25 years	9.77
25-30 years	9.702
30-35 years	9.634
35-40 years	9.567
40-45 years	9.5
45-50 years	9.434
50-55 years	9.368
55-60 years	9.303
60-70 years	10.079
70-80 years	10.009
80-90 years	9.939
90-100 years	9.87
>100 years	9.801

If you take a Calcium blood test and the results are not in the normal range (8.5-10.1 mg/dL), 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 Calcium Test Is Done :

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

Medical References

• Cleveland Clinic – Calcium Blood Test: What It Is & Results
• MedlinePlus – Calcium Blood Test
• Mayo Clinic – Coronary calcium scan