What does high RDW and MCH mean in blood test?

High RDW and MCH can be caused by numerous problems.

High levels of RDW and MCH in the blood indicate a variety of health problems. If your blood RDW level is between 11.6 % to 14 % and the MCH level is between 27 % to 32 pg, then your body does not have any underlying health problems. But if RDW and MCH levels exceed these levels, you should see a doctor immediately.

Normal RDW range : 11.6 - 14 %

Age-wise ideal RDW level in blood:

Age	Ideal RDW value
<5 years	12.187
5-10 years	12.804
10-15 years	13.452
15-20 years	13.418
20-25 years	13.384
25-30 years	13.35
30-35 years	13.316
35-40 years	13.99
40-45 years	13.954
45-50 years	13.918
50-55 years	13.882
55-60 years	13.846
60-70 years	13.811
70-80 years	13.776
80-90 years	13.741
90-100 years	13.706
>100 years	13.671

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

If you want your blood test report to be interpreted by RDW specialist, then you can upload your report. Our RDW 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 RDW levels include:

• Crohn's disease
• Chronic liver disease
• Thalassemia, an inherited blood disorder
• An iron or vitamin deficiency
• Heart disease

If you want your blood test report to be interpreted by RDW specialist, you can upload your report. Our RDW 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 MCH range : 27 - 32 pg

Age-wise ideal MCH level in blood:

Age	Ideal MCH value
<5 years	28.366
5-10 years	29.801
10-15 years	31.309
15-20 years	31.229
20-25 years	31.149
25-30 years	31.069
30-35 years	30.989
35-40 years	30.91
40-45 years	30.831
45-50 years	30.752
50-55 years	30.673
55-60 years	30.594
60-70 years	30.516
70-80 years	30.438
80-90 years	31.978
90-100 years	31.896
>100 years	31.814

High RDW and MCH 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 14 % for RDW and more than 32 pg for MCH, 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 RDW and MCH test. In most hospitals RDW and MCH 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.