What causes high MCH and low HbA1c?

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

If your MCH is in between 27 pg and 32 pg and your HbA1c is in between 4 % and 5.7 % then you need not worry as these are the normal ranges for MCH 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 MCH : 27 - 32 pg

Ideal values of MCH depending on age :

Age	Ideal MCH value
<5 years	27.586
5-10 years	28.185
10-15 years	28.797
15-20 years	29.422
20-25 years	30.06
25-30 years	30.712
30-35 years	31.378
35-40 years	31.363
40-45 years	31.349
45-50 years	31.334
50-55 years	31.319
55-60 years	31.999
60-70 years	31.984
70-80 years	31.969
80-90 years	31.954
90-100 years	31.939
>100 years	31.924

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

If you want your blood test report to be interpreted by MCH specialist, then you can upload your report. Our MCH 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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MCH treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Some examples of conditions that increase or decrease MCH levels include:

• An overactive thyroid gland
• Complications from an infection
• An autoimmune disease
• Thalassemia, an inherited blood disorder
• Liver diseases

If you want your blood test report to be interpreted by MCH specialist, you can upload your report. Our MCH 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	4.087
5-10 years	4.176
10-15 years	4.267
15-20 years	4.36
20-25 years	4.455
25-30 years	4.552
30-35 years	4.651
35-40 years	4.752
40-45 years	4.855
45-50 years	4.96
50-55 years	5.068
55-60 years	5.178
60-70 years	5.29
70-80 years	5.405
80-90 years	5.522
90-100 years	5.642
>100 years	5.639

High MCH and low HbA1c can be caused by a lot of reasons. If you take MCH and HbA1c blood tests and the results are higher than 32 pg for MCH 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 MCH and HbA1c Tests Are Done :

If your doctor wants MCH and HbA1c tests on you, you may need to go through these tests. During the MCH 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 MCH and HbA1c Test reports by your pathologist.

Medical References

• WebMD – MCH Levels (Mean Corpuscular Hemoglobin) From Blood Test
• Cleveland Clinic – MCH in a Blood Test (Mean Corpuscular Hemoglobin)
• NIH – Red Cell Indices