What causes high RBC and low MCH?

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

If your RBC is in between 4.5 mil/uL and 5.5 mil/uL and your MCH is in between 27 pg and 32 pg then you need not worry as these are the normal ranges for RBC 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 RBC : 4.5 - 5.5 mil/uL

Ideal values of RBC depending on age :

Age	Ideal RBC value
<5 years	4.662
5-10 years	4.83
10-15 years	5.004
15-20 years	5.184
20-25 years	5.371
25-30 years	5.364
30-35 years	5.357
35-40 years	5.35
40-45 years	5.343
45-50 years	5.336
50-55 years	5.329
55-60 years	5.322
60-70 years	5.315
70-80 years	5.308
80-90 years	5.499
90-100 years	5.492
>100 years	5.485

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

If you want your blood test report to be interpreted by RBC specialist, then you can upload your report. Our RBC 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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Total number of patients treated

RBC treatment - Click to read 10 GOLDEN ARTICLES on Anemia

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

• Sudden (acute) or chronic bleeding from the digestive tract
• Kidney failure—severe and chronic kidney diseases lead to decreased production of erythropoietin
• Bone marrow damage
• Conditions that cause red blood cells to be destroyed, such as hemolytic anemia caused by autoimmunity or defects in the red cell itself
• Chronic bleeding from the digestive tract

If you want your blood test report to be interpreted by RBC specialist, you can upload your report. Our RBC 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	27.972
5-10 years	28.979
10-15 years	30.022
15-20 years	31.103
20-25 years	31.063
25-30 years	31.022
30-35 years	30.982
35-40 years	30.942
40-45 years	30.902
45-50 years	30.861
50-55 years	31.972
55-60 years	31.931
60-70 years	31.89
70-80 years	31.849
80-90 years	31.808
90-100 years	31.767
>100 years	31.726

High RBC and low MCH can be caused by a lot of reasons. If you take RBC and MCH blood tests and the results are higher than 5.5 mil/uL for RBC 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 RBC and MCH Tests Are Done :

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

Medical References

• MedlinePlus – Red Blood Cell (RBC) Count
• WebMD – Red Blood Cell (RBC) Count Test: Results and What They Mean
• MedlinePlus – Red Blood Cell (RBC) Indices