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

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

High levels of MCV and Vitamin B12 in the blood indicate a variety of health problems. If your blood MCV level is between 83 fL to 101 fL and the Vitamin B12 level is between 211 fL to 911 pg/mL, then your body does not have any underlying health problems. But if MCV and Vitamin B12 levels exceed these levels, you should see a doctor immediately.

Normal MCV range : 83 - 101 fL

Age-wise ideal MCV level in blood:

Age	Ideal MCV value
<5 years	88.843
5-10 years	95.098
10-15 years	94.627
15-20 years	94.158
20-25 years	100.787
25-30 years	100.287
30-35 years	99.79
35-40 years	99.295
40-45 years	98.803
45-50 years	98.314
50-55 years	97.826
55-60 years	97.341
60-70 years	96.859
70-80 years	96.379
80-90 years	95.901
90-100 years	95.425
>100 years	94.952

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

If you want your blood test report to be interpreted by MCV specialist, then you can upload your report. Our MCV 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 MCV levels include:

• Aplastic anemia
• Cold agglutinin disease
• Chronic hypoxia
• Low vitamin B12 level
• Myelodysplastic syndrome

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

Age-wise ideal Vitamin B12 level in blood:

Age	Ideal Vitamin B12 value
<5 years	225.854
5-10 years	241.754
10-15 years	258.773
15-20 years	276.991
20-25 years	296.491
25-30 years	317.364
30-35 years	339.706
35-40 years	363.621
40-45 years	389.22
45-50 years	416.621
50-55 years	445.951
55-60 years	477.346
60-70 years	510.951
70-80 years	546.922
80-90 years	585.425
90-100 years	626.639
>100 years	670.754

High MCV and Vitamin B12 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 101 fL for MCV and more than 911 pg/mL for Vitamin B12, 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 MCV and Vitamin B12 test. In most hospitals MCV and Vitamin B12 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.