What causes high MCH and low Prothrombin time?

High MCH and low Prothrombin time can be caused by many reasons.

If your MCH is in between 27 pg and 32 pg and your Prothrombin time is in between 12 seconds and 16 seconds then you need not worry as these are the normal ranges for MCH and Prothrombin time 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	27.724
5-10 years	28.467
10-15 years	29.23
15-20 years	30.013
20-25 years	30.817
25-30 years	31.643
30-35 years	31.62
35-40 years	31.597
40-45 years	31.575
45-50 years	31.552
50-55 years	31.53
55-60 years	31.507
60-70 years	31.484
70-80 years	31.462
80-90 years	31.439
90-100 years	31.417
>100 years	31.394

*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 Prothrombin time : 12 - 16 seconds

Ideal values of Prothrombin time depending on age :

Age	Ideal Prothrombin time value
<5 years	12.322
5-10 years	12.652
10-15 years	12.991
15-20 years	13.339
20-25 years	13.696
25-30 years	14.063
30-35 years	14.44
35-40 years	14.827
40-45 years	15.224
45-50 years	15.632
50-55 years	15.621
55-60 years	15.61
60-70 years	15.598
70-80 years	15.587
80-90 years	15.576
90-100 years	15.993
>100 years	15.982

High MCH and low Prothrombin time can be caused by a lot of reasons. If you take MCH and Prothrombin time blood tests and the results are higher than 32 pg for MCH and lower than 12 seconds for Prothrombin time, 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 Prothrombin time Tests Are Done :

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