What causes high MCH and low CRP?

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

If your MCH is in between 27 pg and 32 pg and your CRP is in between 0.1 mg/L and 3 mg/L then you need not worry as these are the normal ranges for MCH and CRP 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	27.683
5-10 years	28.383
10-15 years	29.101
15-20 years	29.837
20-25 years	30.592
25-30 years	31.366
30-35 years	31.346
35-40 years	31.326
40-45 years	31.306
45-50 years	31.286
50-55 years	31.266
55-60 years	31.246
60-70 years	31.226
70-80 years	31.206
80-90 years	31.996
90-100 years	31.975
>100 years	31.955

*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 CRP : 0.1 - 3 mg/L

Ideal values of CRP depending on age :

Age	Ideal CRP value
<5 years	0.11278
5-10 years	0.11563
10-15 years	0.11856
15-20 years	0.12156
20-25 years	0.12464
25-30 years	0.12779
30-35 years	0.13102
35-40 years	0.13433
40-45 years	0.13773
45-50 years	0.14121
50-55 years	0.14478
55-60 years	0.14844
60-70 years	0.1522
70-80 years	0.15605
80-90 years	0.16
90-100 years	0.16405
>100 years	0.1682

High MCH and low CRP can be caused by a lot of reasons. If you take MCH and CRP blood tests and the results are higher than 32 pg for MCH and lower than 0.1 mg/L for CRP, 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 CRP Tests Are Done :

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