What does high MCH and RDW SD mean in blood test?

High MCH and RDW SD can be caused by numerous problems.

High levels of MCH and RDW SD in the blood indicate a variety of health problems. If your blood MCH level is between 27 pg to 32 pg and the RDW SD level is between 39 pg to 46 fL, then your body does not have any underlying health problems. But if MCH and RDW SD levels exceed these levels, you should see a doctor immediately.

Normal MCH range : 27 - 32 pg

Age-wise ideal MCH level in blood:

Age	Ideal MCH value
<5 years	28.539
5-10 years	30.166
10-15 years	31.885
15-20 years	31.781
20-25 years	31.678
25-30 years	31.575
30-35 years	31.473
35-40 years	31.371
40-45 years	31.269
45-50 years	31.167
50-55 years	31.066
55-60 years	30.965
60-70 years	30.864
70-80 years	30.763
80-90 years	30.663
90-100 years	30.564
>100 years	30.465

*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 RDW SD range : 39 - 46 fL

Age-wise ideal RDW SD level in blood:

Age	Ideal RDW SD value
<5 years	41.223
5-10 years	43.573
10-15 years	43.432
15-20 years	45.908
20-25 years	45.759
25-30 years	45.61
30-35 years	45.462
35-40 years	45.314
40-45 years	45.167
45-50 years	45.021
50-55 years	44.875
55-60 years	44.729
60-70 years	44.584
70-80 years	44.439
80-90 years	44.295
90-100 years	44.151
>100 years	44.008

High MCH and RDW SD levels in the blood can cause a number of health problems. Your GP may recommend follow-up tests to get an important picture of your overall health and well-being. If the results are greater than 32 pg for MCH and more than 46 fL for RDW SD, you may also need some follow-up tests that will help detect the underlying disease early.

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How is a blood test performed in the lab?

Depending on the symptoms you are experiencing, your doctor may order a MCH and RDW SD test. In most hospitals MCH and RDW SD results can be obtained within three to six hours after blood is taken. The blood is usually drawn from a vein on the inside of the elbow or the back of the hand. Drink plenty of water before your appointment. If you experience any symptoms that you are concerned about are out of the ordinary, call your doctor immediately.