What causes high MCH and low Bilirubin indirect?

High MCH and low Bilirubin indirect can be caused by many reasons.

If your MCH is in between 27 pg and 32 pg and your Bilirubin indirect is in between 0.1 mg/dL and 1 mg/dL then you need not worry as these are the normal ranges for MCH and Bilirubin indirect respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease MCH levels include:

• An overactive thyroid gland
• Complications from an infection
• An autoimmune disease
• Thalassemia, an inherited blood disorder
• Liver diseases

MCH treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Normal range of MCH : 27 - 32 pg

Ideal values of MCH depending on age :

Age	Ideal MCH value
<5 years	27.597
5-10 years	28.207
10-15 years	28.83
15-20 years	29.467
20-25 years	30.118
25-30 years	30.784
30-35 years	31.464
35-40 years	31.448
40-45 years	31.433
45-50 years	31.418
50-55 years	31.402
55-60 years	31.387
60-70 years	31.372
70-80 years	31.356
80-90 years	31.341
90-100 years	31.326
>100 years	31.31

*Ideal values are calculated based on our database of patient records

Normal range of Bilirubin indirect : 0.1 - 1 mg/dL

Ideal values of Bilirubin indirect depending on age :

Age	Ideal Bilirubin indirect value
<5 years	0.10221
5-10 years	0.10447
10-15 years	0.10678
15-20 years	0.10914
20-25 years	0.11155
25-30 years	0.11402
30-35 years	0.11654
35-40 years	0.11912
40-45 years	0.12175
45-50 years	0.12444
50-55 years	0.12719
55-60 years	0.13
60-70 years	0.13287
70-80 years	0.13581
80-90 years	0.13881
90-100 years	0.14188
>100 years	0.14502

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

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