What causes high RDW and low Vitamin B12?

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

If your RDW is in between 11.6 % and 14 % 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 RDW 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 RDW : 11.6 - 14 %

Ideal values of RDW depending on age :
Age Ideal RDW value
<5 years 11.895
5-10 years 12.197
10-15 years 12.507
15-20 years 12.825
20-25 years 13.151
25-30 years 13.485
30-35 years 13.828
35-40 years 13.819
40-45 years 13.81
45-50 years 13.801
50-55 years 13.793
55-60 years 13.784
60-70 years 13.775
70-80 years 13.766
80-90 years 13.757
90-100 years 13.748
>100 years 13.739

If you want your blood test report to be interpreted by RDW specialist, then you can upload your report. Our RDW expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Your RDW result may be wrong. Click to know the reason in detail

Click here to know Symptoms of High RDW

Click here to know Symptoms of Low Vitamin B12

Besides Lab test failures, there are many other reasons for inaccurate blood results. Know the common reasons for inaccurate blood test results

Can Low or High RDW cause Heart Attack? Click here to know

Normal range of RDW found among women : - %

Ideal values of Vitamin B12 depending on age :
Age Ideal Vitamin B12 value
<5 years 216.359
5-10 years 221.855
10-15 years 227.49
15-20 years 233.268
20-25 years 239.193
25-30 years 245.269
30-35 years 251.499
35-40 years 257.887
40-45 years 264.437
45-50 years 271.154
50-55 years 278.041
55-60 years 285.103
60-70 years 292.345
70-80 years 299.771
80-90 years 307.385
90-100 years 315.193
>100 years 323.199

Click here to know Symptoms of High RDW

Click here to know Symptoms of Low Vitamin B12

Can Low or High RDW cause Heart Attack? Click here to know

Click here to upload your blood test report

Click here to consult a doctor for your Low RDW problem

High RDW and low Vitamin B12 can be caused by a lot of reasons. If you take RDW and Vitamin B12 blood tests and the results are higher than 14 % for RDW 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 RDW and Vitamin B12 Tests Are Done :

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

Click here to upload your blood test report

Click here to consult a doctor for your Low RDW problem

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