What causes high CRP and low Vitamin B12?

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

If your CRP is in between 0 mg/L and 3 mg/L and your Vitamin B12 is in between 211 pg/mL and 911 pg/mL then you need not worry as these are the normal ranges for CRP and Vitamin B12 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 CRP : 0 - 3 mg/L

Ideal values of CRP depending on age :

Age	Ideal CRP value
<5 years	0.11389
5-10 years	0.11792
10-15 years	0.12209
15-20 years	0.12641
20-25 years	0.13088
25-30 years	0.13551
30-35 years	0.14031
35-40 years	0.14528
40-45 years	0.15042
45-50 years	0.15574
50-55 years	0.16125
55-60 years	0.16696
60-70 years	0.17287
70-80 years	0.17899
80-90 years	0.18533
90-100 years	0.19189
>100 years	0.19868

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

If you want your blood test report to be interpreted by CRP specialist, then you can upload your report. Our CRP 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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Some examples of conditions that increase or decrease CRP levels include:

• Inflammation
• Suspected bacterial infection
• Lupus
• Crohn disease
• Ulcerative colitis

If you want your blood test report to be interpreted by CRP specialist, you can upload your report. Our CRP 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 Vitamin B12 : 211 - 911 pg/mL

Ideal values of Vitamin B12 depending on age :

Age	Ideal Vitamin B12 value
<5 years	218.469
5-10 years	226.203
10-15 years	234.211
15-20 years	242.502
20-25 years	251.087
25-30 years	259.975
30-35 years	269.178
35-40 years	278.707
40-45 years	288.573
45-50 years	298.788
50-55 years	309.365
55-60 years	320.317
60-70 years	331.656
70-80 years	343.397
80-90 years	355.553
90-100 years	368.14
>100 years	381.172

High CRP and low Vitamin B12 can be caused by a lot of reasons. If you take CRP and Vitamin B12 blood tests and the results are higher than 3 mg/L for CRP and lower than 211 pg/mL for Vitamin B12, 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 CRP and Vitamin B12 Tests Are Done :

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