What causes high MCV and low MCHC?

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

If your MCV is in between 83 fL and 101 fL and your MCHC is in between 31.5 g/dL and 34.5 g/dL then you need not worry as these are the normal ranges for MCV and MCHC respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease MCV levels include:

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

MCV treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Normal range of MCV : 83 - 101 fL

Ideal values of MCV depending on age :

Age	Ideal MCV value
<5 years	85.963
5-10 years	89.032
10-15 years	92.21
15-20 years	95.502
20-25 years	98.911
25-30 years	98.785
30-35 years	98.659
35-40 years	98.533
40-45 years	98.408
45-50 years	98.282
50-55 years	98.157
55-60 years	98.032
60-70 years	97.907
70-80 years	97.782
80-90 years	97.658
90-100 years	97.533
>100 years	97.409

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

Normal range of MCHC : 31.5 - 34.5 g/dL

Ideal values of MCHC depending on age :

Age	Ideal MCHC value
<5 years	32.625
5-10 years	33.79
10-15 years	33.747
15-20 years	33.704
20-25 years	33.661
25-30 years	33.618
30-35 years	33.575
35-40 years	33.533
40-45 years	33.49
45-50 years	33.448
50-55 years	33.405
55-60 years	33.363
60-70 years	33.32
70-80 years	33.278
80-90 years	34.466
90-100 years	34.422
>100 years	34.378

High MCV and low MCHC can be caused by a lot of reasons. If you take MCV and MCHC blood tests and the results are higher than 101 fL for MCV and lower than 31.5 g/dL for MCHC, 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 MCHC Tests Are Done :

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