What causes high MCH and low TSH 3?

High MCH and low TSH 3 can be caused by many reasons.

If your MCH is in between 27 pg and 32 pg and your TSH 3 is in between 0.55 uIU/mL and 4.78 uIU/mL then you need not worry as these are the normal ranges for MCH and TSH 3 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	27.678
5-10 years	28.373
10-15 years	29.085
15-20 years	29.815
20-25 years	30.563
25-30 years	31.33
30-35 years	31.31
35-40 years	31.29
40-45 years	31.27
45-50 years	31.25
50-55 years	31.23
55-60 years	31.21
60-70 years	31.993
70-80 years	31.973
80-90 years	31.953
90-100 years	31.933
>100 years	31.913

*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 TSH 3 : 0.55 - 4.78 uIU/mL

Ideal values of TSH 3 depending on age :

Age	Ideal TSH 3 value
<5 years	0.564
5-10 years	0.578
10-15 years	0.593
15-20 years	0.608
20-25 years	0.623
25-30 years	0.639
30-35 years	0.655
35-40 years	0.671
40-45 years	0.688
45-50 years	0.705
50-55 years	0.723
55-60 years	0.741
60-70 years	0.76
70-80 years	0.779
80-90 years	0.799
90-100 years	0.819
>100 years	0.84

High MCH and low TSH 3 can be caused by a lot of reasons. If you take MCH and TSH 3 blood tests and the results are higher than 32 pg for MCH and lower than 0.55 uIU/mL for TSH 3, 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 TSH 3 Tests Are Done :

If your doctor wants MCH and TSH 3 tests on you, you may need to go through these tests. During the MCH and TSH 3 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 TSH 3 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