What causes high Vitamin B12 and low BUN?

high Vitamin B12

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

If your Vitamin B12 is in between 211 pg/mL and 911 pg/mL and your BUN is in between 6 mg/dL and 20 mg/dL then you need not worry as these are the normal ranges for Vitamin B12 and BUN respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Important - Go to the end of this article and read how our patients treated their Vitamin B12 levels 

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Normal range of Vitamin B12 : 211 - 911 pg/mL

Ideal values of Vitamin B12 depending on age :
Age Ideal Vitamin B12 value
<5 years 214.674
5-10 years 218.411
10-15 years 222.214
15-20 years 226.083
20-25 years 230.019
25-30 years 234.024
30-35 years 238.098
35-40 years 242.243
40-45 years 246.46
45-50 years 250.751
50-55 years 255.117
55-60 years 259.559
60-70 years 264.078
70-80 years 268.676
80-90 years 273.354
90-100 years 278.113
>100 years 282.955

*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 BUN : 6 - 20 mg/dL

Ideal values of BUN depending on age :
Age Ideal BUN value
<5 years 6.104
5-10 years 6.21
10-15 years 6.318
15-20 years 6.428
20-25 years 6.54
25-30 years 6.654
30-35 years 6.77
35-40 years 6.888
40-45 years 7.008
45-50 years 7.13
50-55 years 7.254
55-60 years 7.38
60-70 years 7.508
70-80 years 7.639
80-90 years 7.772
90-100 years 7.907
>100 years 8.045
Chest pain

Can Low or High Vitamin B12 cause Heart Problems?

Read on to know how abnormal Vitamin B12 affects heart

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High Vitamin B12 and low BUN can be caused by a lot of reasons. If you take Vitamin B12 and BUN blood tests and the results are higher than 911 pg/mL for Vitamin B12 and lower than 6 mg/dL for BUN, 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 BUN Tests Are Done :

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

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Dr. Dwayne Michaels
Guest Author
medchunk-doctor
Dr. Dwayne Michaels
Guest Author
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