What does high Vitamin B12 and RDW SD mean in blood test?

High Vitamin B12 and RDW SD can be caused by numerous problems.

High levels of Vitamin B12 and RDW SD in the blood indicate a variety of health problems. If your blood Vitamin B12 level is between 211 pg/mL to 911 pg/mL and the RDW SD level is between 39 pg/mL to 46 fL, then your body does not have any underlying health problems. But if Vitamin B12 and RDW SD levels exceed these levels, you should see a doctor immediately.

Normal Vitamin B12 range : 211 - 911 pg/mL

Age-wise ideal Vitamin B12 level in blood:
Age Ideal Vitamin B12 value
<5 years 214.946
5-10 years 218.965
10-15 years 223.06
15-20 years 227.231
20-25 years 231.48
25-30 years 235.809
30-35 years 240.219
35-40 years 244.711
40-45 years 249.287
45-50 years 253.949
50-55 years 258.698
55-60 years 263.536
60-70 years 268.464
70-80 years 273.484
80-90 years 278.598
90-100 years 283.808
>100 years 289.115

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

Your Vitamin B12 result may be wrong. Click to know the reason in detail

Click here to know Symptoms of High Vitamin B12

Click here to know Symptoms of High RDW SD

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 Vitamin B12 cause Heart Attack? Click here to know

Normal RDW SD range : 39 - 46 fL

Age-wise ideal RDW SD level in blood:
Age Ideal RDW SD value
<5 years 39.729
5-10 years 40.472
10-15 years 41.229
15-20 years 42
20-25 years 42.785
25-30 years 43.585
30-35 years 44.4
35-40 years 45.23
40-45 years 45.214
45-50 years 45.199
50-55 years 45.183
55-60 years 45.167
60-70 years 45.152
70-80 years 45.996
80-90 years 45.98
90-100 years 45.964
>100 years 45.948

Click here to know Symptoms of High Vitamin B12

Click here to know Symptoms of High RDW SD

Can Low or High Vitamin B12 cause Heart Attack? Click here to know

Click here to upload your blood test report

Click here to consult a doctor for your Low Vitamin B12 problem

High Vitamin B12 and RDW SD levels in the blood can cause a number of health problems. Your GP may recommend follow-up tests to get an important picture of your overall health and well-being. If the results are greater than 911 pg/mL for Vitamin B12 and more than 46 fL for RDW SD, you may also need some follow-up tests that will help detect the underlying disease early.

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How is a blood test performed in the lab?

Depending on the symptoms you are experiencing, your doctor may order a Vitamin B12 and RDW SD test. In most hospitals Vitamin B12 and RDW SD results can be obtained within three to six hours after blood is taken. The blood is usually drawn from a vein on the inside of the elbow or the back of the hand. Drink plenty of water before your appointment. If you experience any symptoms that you are concerned about are out of the ordinary, call your doctor immediately.

Click here to upload your blood test report

Click here to consult a doctor for your Low Vitamin B12 problem

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