What does high Vitamin B12 and RBC mean in blood test?

High Vitamin B12 and RBC can be caused by numerous problems.

High levels of Vitamin B12 and RBC 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 RBC level is between 4.5 pg/mL to 5.5 mil/uL, then your body does not have any underlying health problems. But if Vitamin B12 and RBC 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	214.8
5-10 years	218.669
10-15 years	222.607
15-20 years	226.616
20-25 years	230.697
25-30 years	234.852
30-35 years	239.082
35-40 years	243.388
40-45 years	247.771
45-50 years	252.233
50-55 years	256.776
55-60 years	261.401
60-70 years	266.109
70-80 years	270.902
80-90 years	275.781
90-100 years	280.748
>100 years	285.804

*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 RBC range : 4.5 - 5.5 mil/uL

Age-wise ideal RBC level in blood:

Age	Ideal RBC value
<5 years	4.581
5-10 years	4.664
10-15 years	4.748
15-20 years	4.834
20-25 years	4.921
25-30 years	5.01
30-35 years	5.1
35-40 years	5.192
40-45 years	5.286
45-50 years	5.381
50-55 years	5.478
55-60 years	5.477
60-70 years	5.476
70-80 years	5.475
80-90 years	5.474
90-100 years	5.473
>100 years	5.472

High Vitamin B12 and RBC 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 5.5 mil/uL for RBC, 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 RBC test. In most hospitals Vitamin B12 and RBC 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.