What causes high Vitamin D and low TIBC?

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

If your Vitamin D is in between 75 nmol/L and 250 nmol/L and your TIBC is in between 250 mcg/dL and 450 mcg/dL then you need not worry as these are the normal ranges for Vitamin D and TIBC 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	77.68
10-15 years	79.056
15-20 years	80.456
20-25 years	81.881
25-30 years	83.331
30-35 years	84.807
35-40 years	86.309
40-45 years	87.838
45-50 years	89.394
50-55 years	90.977
55-60 years	92.588
60-70 years	94.228
70-80 years	95.897
80-90 years	97.595
90-100 years	99.323
>100 years	101.082

*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 TIBC : 250 - 450 mcg/dL

Ideal values of TIBC depending on age :

Age	Ideal TIBC value
<5 years	254.428
5-10 years	258.934
10-15 years	263.52
15-20 years	268.187
20-25 years	272.937
25-30 years	277.771
30-35 years	282.69
35-40 years	287.696
40-45 years	292.791
45-50 years	297.976
50-55 years	303.253
55-60 years	308.624
60-70 years	314.09
70-80 years	319.653
80-90 years	325.314
90-100 years	331.075
>100 years	336.938

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

If your doctor wants Vitamin D and TIBC tests on you, you may need to go through these tests. During the Vitamin D and TIBC 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 TIBC 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