What causes high MCV and low MCH?

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

If your MCV is in between 83 fL and 101 fL and your MCH is in between 27 pg and 32 pg then you need not worry as these are the normal ranges for MCV and MCH 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	85.955
5-10 years	89.015
10-15 years	92.184
15-20 years	95.466
20-25 years	98.865
25-30 years	98.74
30-35 years	98.615
35-40 years	98.49
40-45 years	98.365
45-50 years	98.241
50-55 years	98.116
55-60 years	97.992
60-70 years	97.868
70-80 years	97.744
80-90 years	97.62
90-100 years	97.496
>100 years	100.967

*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 MCH : 27 - 32 pg

Ideal values of MCH depending on age :

Age	Ideal MCH value
<5 years	27.961
5-10 years	28.956
10-15 years	29.987
15-20 years	31.055
20-25 years	31.016
25-30 years	30.977
30-35 years	30.938
35-40 years	30.898
40-45 years	31.998
45-50 years	31.957
50-55 years	31.917
55-60 years	31.876
60-70 years	31.836
70-80 years	31.795
80-90 years	31.755
90-100 years	31.714
>100 years	31.674

High MCV and low MCH can be caused by a lot of reasons. If you take MCV and MCH blood tests and the results are higher than 101 fL for MCV and lower than 27 pg for MCH, 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 MCH Tests Are Done :

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