What causes high Vitamin B12 and low WBC?

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

If your Vitamin B12 is in between 211 pg/mL and 911 pg/mL and your WBC is in between 4 thou/uL and 11 thou/uL then you need not worry as these are the normal ranges for Vitamin B12 and WBC 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	214.591
5-10 years	218.243
10-15 years	221.957
15-20 years	225.735
20-25 years	229.577
25-30 years	233.484
30-35 years	237.458
35-40 years	241.5
40-45 years	245.61
45-50 years	249.79
50-55 years	254.041
55-60 years	258.365
60-70 years	262.762
70-80 years	267.234
80-90 years	271.782
90-100 years	276.408
>100 years	281.112

*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

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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 WBC : 4 - 11 thou/uL

Ideal values of WBC depending on age :

Age	Ideal WBC value
<5 years	4.068
5-10 years	4.137
10-15 years	4.207
15-20 years	4.279
20-25 years	4.352
25-30 years	4.426
30-35 years	4.501
35-40 years	4.578
40-45 years	4.656
45-50 years	4.735
50-55 years	4.816
55-60 years	4.898
60-70 years	4.981
70-80 years	5.066
80-90 years	5.152
90-100 years	5.24
>100 years	5.329

High Vitamin B12 and low WBC can be caused by a lot of reasons. If you take Vitamin B12 and WBC blood tests and the results are higher than 911 pg/mL for Vitamin B12 and lower than 4 thou/uL for WBC, 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 WBC Tests Are Done :

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