Is RDW 21.6 high, normal or dangerous? What does Red cell distribution width level 21.6 mean?

Your RDW level of 21.6 is a High RDW level.

High RDW levels could indicate health issues. Typically, levels between 11.6 % to 14 % suggest no concerns. However, deviations from this range warrant prompt medical attention. Consulting a doctor for abnormal levels is advisable.

Normal range of RDW found among men :11.6 - 14 %

Ideal values of RDW depending on age (male) :

Age	Ideal RDW value
<5 years	11.851
5-10 years	12.107
10-15 years	12.369
15-20 years	12.636
20-25 years	12.909
25-30 years	13.188
30-35 years	13.473
35-40 years	13.764
40-45 years	13.757
45-50 years	13.75
50-55 years	13.744
55-60 years	13.738
60-70 years	13.732
70-80 years	13.726
80-90 years	13.719
90-100 years	13.712
>100 years	13.705

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

Get Advice via Email : Send us your blood test report, and our RDW experts will check it. Within 12 hours, expect a detailed analysis and precise treatment guidance delivered to your email. If you've had additional blood tests apart from RDW, please upload those too. A thorough diagnosis often relies on assessing all abnormalities for an accurate assessment. 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

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

Normal range of RDW found among women :11.6-14 %

Ideal values of RDW depending on age (female) :

Age	Ideal RDW value
<5 years	11.858
5-10 years	12.122
10-15 years	12.392
15-20 years	12.668
20-25 years	12.95
25-30 years	13.238
30-35 years	13.533
35-40 years	13.834
40-45 years	13.827
45-50 years	13.821
50-55 years	13.814
55-60 years	13.807
60-70 years	13.8
70-80 years	13.793
80-90 years	13.786
90-100 years	13.779
>100 years	13.773

If you take a RDW blood test and the results are not in the normal range (11.6-14 %), 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 RDW Test Is Done :

When your doctor recommends a RDW test, you'll likely undergo a simple blood draw specifically targeting the measurement of RDW. A pathologist, a specialist in studying diseases, will collect a small blood sample from your veins using a needle. Your RDW test results will typically be available within a few hours after this procedure.

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