What causes high MCH and low RDW CV?

High MCH and low RDW CV can be caused by many reasons.

If your MCH is in between 27 pg and 32 pg and your RDW CV is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for MCH and RDW CV 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	27.726
5-10 years	28.472
10-15 years	29.238
15-20 years	30.025
20-25 years	30.833
25-30 years	31.662
30-35 years	31.639
35-40 years	31.616
40-45 years	31.593
45-50 years	31.57
50-55 years	31.547
55-60 years	31.525
60-70 years	31.502
70-80 years	31.479
80-90 years	31.456
90-100 years	31.433
>100 years	31.411

*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 RDW CV : 11.6 - 14 %

Ideal values of RDW CV depending on age :

Age	Ideal RDW CV value
<5 years	11.912
5-10 years	12.232
10-15 years	12.561
15-20 years	12.899
20-25 years	13.246
25-30 years	13.602
30-35 years	13.968
35-40 years	13.958
40-45 years	13.947
45-50 years	13.937
50-55 years	13.927
55-60 years	13.917
60-70 years	13.907
70-80 years	13.897
80-90 years	13.887
90-100 years	13.877
>100 years	13.867

High MCH and low RDW CV can be caused by a lot of reasons. If you take MCH and RDW CV blood tests and the results are higher than 32 pg for MCH and lower than 11.6 % for RDW CV, 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 RDW CV Tests Are Done :

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