What causes high Vitamin D and low RBC?

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

If your Vitamin D is in between 75 nmol/L and 250 nmol/L and your RBC is in between 4.5 mil/uL and 5.5 mil/uL then you need not worry as these are the normal ranges for Vitamin D and RBC 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	76.276
5-10 years	77.573
10-15 years	78.893
15-20 years	80.235
20-25 years	81.6
25-30 years	82.988
30-35 years	84.4
35-40 years	85.836
40-45 years	87.296
45-50 years	88.781
50-55 years	90.291
55-60 years	91.827
60-70 years	93.389
70-80 years	94.978
80-90 years	96.594
90-100 years	98.237
>100 years	99.908

*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 RBC : 4.5 - 5.5 mil/uL

Ideal values of RBC depending on age :

Age	Ideal RBC value
<5 years	4.577
5-10 years	4.655
10-15 years	4.734
15-20 years	4.815
20-25 years	4.897
25-30 years	4.98
30-35 years	5.065
35-40 years	5.151
40-45 years	5.239
45-50 years	5.328
50-55 years	5.419
55-60 years	5.417
60-70 years	5.415
70-80 years	5.413
80-90 years	5.411
90-100 years	5.409
>100 years	5.407

High Vitamin D and low RBC can be caused by a lot of reasons. If you take Vitamin D and RBC blood tests and the results are higher than 250 nmol/L for Vitamin D and lower than 4.5 mil/uL for RBC, 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 RBC Tests Are Done :

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

Medical References

• MedlinePlus – Vitamin D Test
• MedlinePlus – 25-hydroxy vitamin D test
• Mayo Clinic – 2425D - Overview: 25-Hydroxyvitamin D:24,25-Dihydroxyvitamin D Ratio, Serum