Is MCH 18.9 low, normal or dangerous? What does Mean corpuscular hemoglobin level 18.9 mean?

📅 Medical Review Date: November 16, 2025

Your MCH level of 18.9 is a Low MCH level.

Low MCH levels may indicate underlying health problems. The normal range is typically between 27 pg and 32 pg. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal MCH range for men is :27 - 32 pg

Ideal values of MCH depending on age (male) :

Age	Ideal MCH value
<5 years	27.51
5-10 years	28.03
10-15 years	28.56
15-20 years	29.1
20-25 years	29.65
25-30 years	30.21
30-35 years	30.781
35-40 years	31.363
40-45 years	31.956
45-50 years	31.945
50-55 years	31.934
55-60 years	31.923
60-70 years	31.911
70-80 years	31.899
80-90 years	31.888
90-100 years	31.877
>100 years	31.865

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

Get Advice via Email : Send us your blood test report, and our MCH experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides MCH, please include those too—an accurate diagnosis often requires a full view of all abnormalities. 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

Receive world-class medical opinion about your low MCH levels over email.Upload blood test report now

Normal range of MCH found among women :27-32 pg

Ideal values of MCH depending on age (female) :

Age	Ideal MCH value
<5 years	27.526
5-10 years	28.062
10-15 years	28.608
15-20 years	29.165
20-25 years	29.733
25-30 years	30.312
30-35 years	30.902
35-40 years	31.504
40-45 years	31.492
45-50 years	31.48
50-55 years	31.468
55-60 years	31.456
60-70 years	31.444
70-80 years	31.432
80-90 years	31.42
90-100 years	31.408
>100 years	31.396

If you take a MCH blood test and the results are not in the normal range (27-32 pg), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the MCH Test Is Done :

When your doctor orders a MCH test, it involves a straightforward blood draw to measure your MCH levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your MCH test results are usually available within a few hours.

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

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