Is RDW SD 58.9 high, normal or dangerous? What does RDW SD level 58.9 mean?

📅 Medical Review Date: November 18, 2025

Your RDW SD level of 58.9 is a High RDW SD level.

High RDW SD levels may indicate underlying health problems. The normal range is typically between 39 fL and 46 fL. 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.

Important - Scroll to the end of this article to see how our patients managed their high RDW SD levels

The normal RDW SD range for men is :39 - 46 fL

**Ideal values of RDW SD depending on age (male) :**
Age	Ideal RDW SD value
<5 years	41.297
5-10 years	43.729
10-15 years	43.578
15-20 years	43.427
20-25 years	45.985
25-30 years	45.826
30-35 years	45.667
35-40 years	45.509
40-45 years	45.351
45-50 years	45.194
50-55 years	45.037
55-60 years	44.881
60-70 years	44.725
70-80 years	44.57
80-90 years	44.415
90-100 years	44.261
>100 years	44.107

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

Get Advice via Email : Send us your blood test report, and our RDW SD 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 RDW SD, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

1,51,150

Total number of patients treated

Important - Read more questions about high RDW SD levels after this video message

A video message on the treatment of your high RDW SD level

If you want your blood test report to be interpreted by RDW SD specialist, you can upload your report. Our RDW SD 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 - At the end of this article read how our patients treated their high RDW SD levels

Some examples of conditions that increase or decrease RDW SD levels include:

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

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

Important - At the end of this article read how our patients treated their high RDW SD levels

Also Read :How our patients treated their high rdw sd?

Normal range of RDW SD found among women :39-46 fL

**Ideal values of RDW SD depending on age (female) :**
Age	Ideal RDW SD value
<5 years	41.366
5-10 years	43.876
10-15 years	43.715
15-20 years	43.554
20-25 years	43.393
25-30 years	43.234
30-35 years	45.857
35-40 years	45.688
40-45 years	45.52
45-50 years	45.353
50-55 years	45.186
55-60 years	45.019
60-70 years	44.853
70-80 years	44.688
80-90 years	44.523
90-100 years	44.359
>100 years	44.196

Upload your blood test report

If you take a RDW SD blood test and the results are not in the normal range (39-46 fL), 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.

Important :How our patients treated their high rdw sd?

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How the RDW SD Test Is Done :

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