What causes high Vitamin D and low Calcium?

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

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

Ideal values of Vitamin D depending on age :

Age	Ideal Vitamin D value
<5 years	76.299
5-10 years	77.62
10-15 years	78.964
15-20 years	80.332
20-25 years	81.723
25-30 years	83.138
30-35 years	84.578
35-40 years	86.043
40-45 years	87.533
45-50 years	89.049
50-55 years	90.591
55-60 years	92.16
60-70 years	93.756
70-80 years	95.38
80-90 years	97.032
90-100 years	98.713
>100 years	100.423

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

If you want your blood test report to be interpreted by Vitamin D specialist, then you can upload your report. Our Vitamin D 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 Vitamin D levels include:

• Liver disease
• Celiac disease
• Your body isn’t properly absorbing or using vitamin D.
• Crohn's disease
• Kidney disease

If you want your blood test report to be interpreted by Vitamin D specialist, you can upload your report. Our Vitamin D 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 Calcium : 8.5 - 10.1 mg/dL

Ideal values of Calcium depending on age :

Age	Ideal Calcium value
<5 years	8.647
5-10 years	8.797
10-15 years	8.949
15-20 years	9.104
20-25 years	9.262
25-30 years	9.422
30-35 years	9.585
35-40 years	9.751
40-45 years	9.92
45-50 years	10.092
50-55 years	10.089
55-60 years	10.086
60-70 years	10.083
70-80 years	10.08
80-90 years	10.077
90-100 years	10.074
>100 years	10.071

High Vitamin D and low Calcium can be caused by a lot of reasons. If you take Vitamin D and Calcium blood tests and the results are higher than 250 nmol/L for Vitamin D and lower than 8.5 mg/dL for Calcium, 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 Vitamin D and Calcium Tests Are Done :

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