What causes high MCV and low WBC?

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

If your MCV is in between 83 fL and 101 fL and your WBC is in between 4 thou/uL and 11 thou/uL then you need not worry as these are the normal ranges for MCV and WBC 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	85.922
5-10 years	88.946
10-15 years	92.077
15-20 years	95.318
20-25 years	98.673
25-30 years	98.55
30-35 years	98.428
35-40 years	98.306
40-45 years	98.184
45-50 years	98.062
50-55 years	97.941
55-60 years	97.82
60-70 years	97.699
70-80 years	97.578
80-90 years	97.457
90-100 years	100.887
>100 years	100.762

*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 WBC : 4 - 11 thou/uL

Ideal values of WBC depending on age :

Age	Ideal WBC value
<5 years	4.141
5-10 years	4.287
10-15 years	4.438
15-20 years	4.594
20-25 years	4.756
25-30 years	4.923
30-35 years	5.096
35-40 years	5.275
40-45 years	5.461
45-50 years	5.653
50-55 years	5.852
55-60 years	6.058
60-70 years	6.271
70-80 years	6.492
80-90 years	6.721
90-100 years	6.958
>100 years	7.203

High MCV and low WBC can be caused by a lot of reasons. If you take MCV and WBC blood tests and the results are higher than 101 fL for MCV and lower than 4 thou/uL for WBC, 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 WBC Tests Are Done :

If your doctor wants MCV and WBC tests on you, you may need to go through these tests. During the MCV and WBC 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 WBC 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