What causes high MCH and low RBC?

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

If your MCH is in between 27 pg and 32 pg and your RBC is in between 4.5 mil/uL and 5.5 mil/uL then you need not worry as these are the normal ranges for MCH and RBC 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	27.543
5-10 years	28.097
10-15 years	28.662
15-20 years	29.238
20-25 years	29.826
25-30 years	30.426
30-35 years	31.038
35-40 years	31.662
40-45 years	31.649
45-50 years	31.636
50-55 years	31.623
55-60 years	31.611
60-70 years	31.598
70-80 years	31.585
80-90 years	31.572
90-100 years	31.56
>100 years	31.547

*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 RBC : 4.5 - 5.5 mil/uL

Ideal values of RBC depending on age :

Age	Ideal RBC value
<5 years	4.59
5-10 years	4.682
10-15 years	4.776
15-20 years	4.872
20-25 years	4.97
25-30 years	5.07
30-35 years	5.172
35-40 years	5.276
40-45 years	5.382
45-50 years	5.49
50-55 years	5.487
55-60 years	5.485
60-70 years	5.483
70-80 years	5.481
80-90 years	5.479
90-100 years	5.477
>100 years	5.475

High MCH and low RBC can be caused by a lot of reasons. If you take MCH and RBC blood tests and the results are higher than 32 pg for MCH and lower than 4.5 mil/uL for RBC, 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 RBC Tests Are Done :

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