What causes high Calcium and low Vitamin D?

High Calcium and low Vitamin D can be caused by many reasons.

If your Calcium is in between 8.5 mg/dL and 10.1 mg/dL and your Vitamin D is in between 75 nmol/L and 250 nmol/L then you need not worry as these are the normal ranges for Calcium and Vitamin D 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 Calcium : 8.5 - 10.1 mg/dL

Ideal values of Calcium depending on age :

Age	Ideal Calcium value
<5 years	8.633
5-10 years	8.768
10-15 years	8.905
15-20 years	9.044
20-25 years	9.185
25-30 years	9.328
30-35 years	9.474
35-40 years	9.622
40-45 years	9.772
45-50 years	9.924
50-55 years	10.079
55-60 years	10.076
60-70 years	10.073
70-80 years	10.07
80-90 years	10.067
90-100 years	10.065
>100 years	10.063

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

If you want your blood test report to be interpreted by Calcium specialist, then 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

1,37,160

Total number of patients treated

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

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

Normal range of Vitamin D : 75 - 250 nmol/L

Ideal values of Vitamin D depending on age :

Age	Ideal Vitamin D value
<5 years	76.17
5-10 years	77.358
10-15 years	78.565
15-20 years	79.791
20-25 years	81.036
25-30 years	82.3
30-35 years	83.584
35-40 years	84.888
40-45 years	86.212
45-50 years	87.557
50-55 years	88.923
55-60 years	90.31
60-70 years	91.719
70-80 years	93.15
80-90 years	94.603
90-100 years	96.079
>100 years	97.578

High Calcium and low Vitamin D can be caused by a lot of reasons. If you take Calcium and Vitamin D blood tests and the results are higher than 10.1 mg/dL for Calcium and lower than 75 nmol/L for Vitamin D, 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 Calcium and Vitamin D Tests Are Done :

If your doctor wants Calcium and Vitamin D tests on you, you may need to go through these tests. During the Calcium and Vitamin D 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 Calcium and Vitamin D Test reports by your pathologist.