What causes high Vitamin D and low RDW SD?

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

If your Vitamin D is in between 75 nmol/L and 250 nmol/L and your RDW SD is in between 39 fL and 46 fL then you need not worry as these are the normal ranges for Vitamin D and RDW SD 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	76.328
5-10 years	77.679
10-15 years	79.054
15-20 years	80.453
20-25 years	81.877
25-30 years	83.326
30-35 years	84.801
35-40 years	86.302
40-45 years	87.83
45-50 years	89.385
50-55 years	90.967
55-60 years	92.577
60-70 years	94.216
70-80 years	95.884
80-90 years	97.581
90-100 years	99.308
>100 years	101.066

*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 RDW SD : 39 - 46 fL

Ideal values of RDW SD depending on age :

Age	Ideal RDW SD value
<5 years	39.69
5-10 years	40.393
10-15 years	41.108
15-20 years	41.836
20-25 years	42.576
25-30 years	43.33
30-35 years	44.097
35-40 years	44.878
40-45 years	45.672
45-50 years	45.657
50-55 years	45.643
55-60 years	45.629
60-70 years	45.615
70-80 years	45.6
80-90 years	45.586
90-100 years	45.572
>100 years	45.558

High Vitamin D and low RDW SD can be caused by a lot of reasons. If you take Vitamin D and RDW SD blood tests and the results are higher than 250 nmol/L for Vitamin D and lower than 39 fL for RDW SD, 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 RDW SD Tests Are Done :

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