What causes high MCV and low RBC?

High MCV and low RBC can be caused by many reasons.

If your MCV is in between 83 fL and 101 fL and your RBC is in between 4.5 mil/uL and 5.5 mil/uL then you need not worry as these are the normal ranges for MCV and RBC 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 MCV : 83 - 101 fL

Ideal values of MCV depending on age :

Age	Ideal MCV value
<5 years	85.913
5-10 years	88.929
10-15 years	92.05
15-20 years	95.281
20-25 years	98.625
25-30 years	98.504
30-35 years	98.382
35-40 years	98.261
40-45 years	98.14
45-50 years	98.019
50-55 years	97.898
55-60 years	97.777
60-70 years	97.657
70-80 years	97.537
80-90 years	100.961
90-100 years	100.837
>100 years	100.712

*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 range of RBC : 4.5 - 5.5 mil/uL

Ideal values of RBC depending on age :

Age	Ideal RBC value
<5 years	4.658
5-10 years	4.821
10-15 years	4.99
15-20 years	5.165
20-25 years	5.346
25-30 years	5.34
30-35 years	5.333
35-40 years	5.326
40-45 years	5.319
45-50 years	5.313
50-55 years	5.499
55-60 years	5.492
60-70 years	5.485
70-80 years	5.479
80-90 years	5.472
90-100 years	5.465
>100 years	5.458

High MCV and low RBC can be caused by a lot of reasons. If you take MCV and RBC blood tests and the results are higher than 101 fL for MCV and lower than 4.5 mil/uL for RBC, 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 MCV and RBC Tests Are Done :

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

Medical References

• MedlinePlus – MCV (Mean Corpuscular Volume)
• Cleveland Clinic – Mean Corpuscular Volume (MCV) Blood Test
• WebMD – Mean Corpuscular Volume (MCV) Blood Test