Is RDW 21.8 high, normal or dangerous? What does Red cell distribution width level 21.8 mean?
Your RDW level of 21.8 is a High RDW level.
High levels of RDW in the blood indicate a variety of health problems. If your blood RDW level is between 11.6 % and 14 %, you probably do not have an underlying health problem. But if RDW levels are not in this range, you should see a doctor immediately.
Important - Go to the end of this article and read how our patients treated their high RDW levels
Normal range of RDW found among men : 11.6 - 14 %
| Age | Ideal RDW value |
|---|---|
| <5 years | 11.853 |
| 5-10 years | 12.111 |
| 10-15 years | 12.375 |
| 15-20 years | 12.645 |
| 20-25 years | 12.921 |
| 25-30 years | 13.203 |
| 30-35 years | 13.491 |
| 35-40 years | 13.785 |
| 40-45 years | 13.779 |
| 45-50 years | 13.772 |
| 50-55 years | 13.765 |
| 55-60 years | 13.758 |
| 60-70 years | 13.752 |
| 70-80 years | 13.746 |
| 80-90 years | 13.74 |
| 90-100 years | 13.734 |
| >100 years | 13.727 |
*Ideal values are calculated based on our database of patient records
A video message on the treatment of your high RDW level
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
Important Article : How our patients treated their high rdw?
Click here to know Symptoms of High RDW
Besides Lab test failures, there are many other reasons for inaccurate blood results. Know the common reasons for inaccurate blood test results
Can Low or High RDW cause Heart Attack? Click here to know
Normal range of RDW found among women : 11.6-14 %
| Age | Ideal RDW value |
|---|---|
| <5 years | 11.86 |
| 5-10 years | 12.126 |
| 10-15 years | 12.398 |
| 15-20 years | 12.676 |
| 20-25 years | 12.961 |
| 25-30 years | 13.252 |
| 30-35 years | 13.55 |
| 35-40 years | 13.854 |
| 40-45 years | 13.847 |
| 45-50 years | 13.84 |
| 50-55 years | 13.833 |
| 55-60 years | 13.826 |
| 60-70 years | 13.819 |
| 70-80 years | 13.812 |
| 80-90 years | 13.805 |
| 90-100 years | 13.798 |
| >100 years | 13.791 |
Click here to know Symptoms of High RDW
Can Low or High RDW cause Heart Attack? Click here to know
Click here to upload your blood test report
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.
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
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How the RDW Test Is Done :
If your doctor wants RDW test on you, you may need a RDW blood test. During the RDW blood test, 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 RDW Test report by your pathologist.
Click here to upload your blood test report
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