What causes high Vitamin B12 and low Bilirubin total?

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

If your Vitamin B12 is in between 211 pg/mL and 911 pg/mL and your Bilirubin total is in between 0.2 mg/dL and 1 mg/dL then you need not worry as these are the normal ranges for Vitamin B12 and Bilirubin total respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease Vitamin B12 levels include:

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

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

Ideal values of Vitamin B12 depending on age :

Age	Ideal Vitamin B12 value
<5 years	214.627
5-10 years	218.316
10-15 years	222.069
15-20 years	225.886
20-25 years	229.769
25-30 years	233.719
30-35 years	237.737
35-40 years	241.824
40-45 years	245.981
45-50 years	250.209
50-55 years	254.51
55-60 years	258.885
60-70 years	263.335
70-80 years	267.862
80-90 years	272.467
90-100 years	277.151
>100 years	281.915

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

Normal range of Bilirubin total : 0.2 - 1 mg/dL

Ideal values of Bilirubin total depending on age :

Age	Ideal Bilirubin total value
<5 years	0.203
5-10 years	0.206
10-15 years	0.21
15-20 years	0.214
20-25 years	0.218
25-30 years	0.222
30-35 years	0.226
35-40 years	0.23
40-45 years	0.234
45-50 years	0.238
50-55 years	0.242
55-60 years	0.246
60-70 years	0.25
70-80 years	0.254
80-90 years	0.258
90-100 years	0.262
>100 years	0.267

High Vitamin B12 and low Bilirubin total can be caused by a lot of reasons. If you take Vitamin B12 and Bilirubin total blood tests and the results are higher than 911 pg/mL for Vitamin B12 and lower than 0.2 mg/dL for Bilirubin total, 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 Bilirubin total Tests Are Done :

If your doctor wants Vitamin B12 and Bilirubin total tests on you, you may need to go through these tests. During the Vitamin B12 and Bilirubin total 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 Bilirubin total 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