What causes high MCH and low MCHC?

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

If your MCH is in between 27 pg and 32 pg 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 MCH and MCHC 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	27.559
5-10 years	28.129
10-15 years	28.711
15-20 years	29.305
20-25 years	29.912
25-30 years	30.531
30-35 years	31.163
35-40 years	31.808
40-45 years	31.794
45-50 years	31.78
50-55 years	31.767
55-60 years	31.754
60-70 years	31.74
70-80 years	31.726
80-90 years	31.713
90-100 years	31.699
>100 years	31.685

*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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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 MCHC : 31.5 - 34.5 g/dL

Ideal values of MCHC depending on age :

Age	Ideal MCHC value
<5 years	32.152
5-10 years	32.818
10-15 years	33.497
15-20 years	34.19
20-25 years	34.176
25-30 years	34.161
30-35 years	34.146
35-40 years	34.132
40-45 years	34.118
45-50 years	34.103
50-55 years	34.088
55-60 years	34.074
60-70 years	34.059
70-80 years	34.044
80-90 years	34.03
90-100 years	34.015
>100 years	34

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

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