What causes high MCV and low HbA1c?

High MCV and low HbA1c can be caused by many reasons.

If your MCV is in between 83 fL and 101 fL and your HbA1c is in between 4 % and 5.7 % then you need not worry as these are the normal ranges for MCV and HbA1c 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	86.046
5-10 years	89.204
10-15 years	92.478
15-20 years	95.872
20-25 years	99.391
25-30 years	99.257
30-35 years	99.124
35-40 years	98.991
40-45 years	98.858
45-50 years	98.725
50-55 years	98.592
55-60 years	98.459
60-70 years	98.326
70-80 years	98.194
80-90 years	98.062
90-100 years	97.93
>100 years	97.798

*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 HbA1c : 4 - 5.7 %

Ideal values of HbA1c depending on age :

Age	Ideal HbA1c value
<5 years	4.147
5-10 years	4.299
10-15 years	4.457
15-20 years	4.621
20-25 years	4.791
25-30 years	4.967
30-35 years	5.149
35-40 years	5.338
40-45 years	5.534
45-50 years	5.526
50-55 years	5.519
55-60 years	5.512
60-70 years	5.504
70-80 years	5.497
80-90 years	5.699
90-100 years	5.691
>100 years	5.683

High MCV and low HbA1c can be caused by a lot of reasons. If you take MCV and HbA1c blood tests and the results are higher than 101 fL for MCV and lower than 4 % for HbA1c, 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 HbA1c Tests Are Done :

If your doctor wants MCV and HbA1c tests on you, you may need to go through these tests. During the MCV and HbA1c 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 HbA1c 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