What causes high Vitamin B12 and low Phosphorus?

High Vitamin B12 and low Phosphorus can be caused by many reasons.

If your Vitamin B12 is in between 211 pg/mL and 911 pg/mL and your Phosphorus is in between 2.5 mg/dL and 4.5 mg/dL then you need not worry as these are the normal ranges for Vitamin B12 and Phosphorus 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 B12 : 211 - 911 pg/mL

Ideal values of Vitamin B12 depending on age :

Age	Ideal Vitamin B12 value
<5 years	214.688
5-10 years	218.441
10-15 years	222.259
15-20 years	226.144
20-25 years	230.097
25-30 years	234.119
30-35 years	238.211
35-40 years	242.375
40-45 years	246.612
45-50 years	250.923
50-55 years	255.309
55-60 years	259.772
60-70 years	264.313
70-80 years	268.933
80-90 years	273.634
90-100 years	278.417
>100 years	283.284

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

If you want your blood test report to be interpreted by Vitamin B12 specialist, then you can upload your report. Our Vitamin B12 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 B12 levels include:

• Crohn disease
• Ulcerative colitis
• Celiac disease
• Reduced stomach acid production
• Pancreatic insufficiency

If you want your blood test report to be interpreted by Vitamin B12 specialist, you can upload your report. Our Vitamin B12 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 Phosphorus : 2.5 - 4.5 mg/dL

Ideal values of Phosphorus depending on age :

Age	Ideal Phosphorus value
<5 years	2.544
5-10 years	2.588
10-15 years	2.633
15-20 years	2.679
20-25 years	2.726
25-30 years	2.774
30-35 years	2.822
35-40 years	2.871
40-45 years	2.921
45-50 years	2.972
50-55 years	3.024
55-60 years	3.077
60-70 years	3.131
70-80 years	3.186
80-90 years	3.242
90-100 years	3.299
>100 years	3.357

High Vitamin B12 and low Phosphorus can be caused by a lot of reasons. If you take Vitamin B12 and Phosphorus blood tests and the results are higher than 911 pg/mL for Vitamin B12 and lower than 2.5 mg/dL for Phosphorus, 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 B12 and Phosphorus Tests Are Done :

If your doctor wants Vitamin B12 and Phosphorus tests on you, you may need to go through these tests. During the Vitamin B12 and Phosphorus 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 B12 and Phosphorus Test reports by your pathologist.

Medical References

• WebMD – Vitamin B12 Blood Test: Uses, Normal Range, and Results
• NIH – Vitamin B12 - Health Professional Fact Sheet
• MedlinePlus – Vitamin B12 level