What causes high ESR and low RDW?

High ESR and low RDW can be caused by many reasons.

If your ESR is in between 0.1 mm/hr and 14 mm/hr and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for ESR and RDW respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of ESR : 0.1 - 14 mm/hr

Ideal values of ESR depending on age :

Age	Ideal ESR value
<5 years	2.02
5-10 years	2.04
10-15 years	2.061
15-20 years	2.082
20-25 years	2.103
25-30 years	2.124
30-35 years	2.145
35-40 years	2.167
40-45 years	2.189
45-50 years	2.211
50-55 years	2.233
55-60 years	2.256
60-70 years	2.279
70-80 years	2.302
80-90 years	2.325
90-100 years	2.348
>100 years	2.372

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

If you want your blood test report to be interpreted by ESR specialist, then you can upload your report. Our ESR expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

1,37,160

Total number of patients treated

Some examples of conditions that increase or decrease ESR levels include:

• Rheumatic fever
• Vascular disease
• Autoimmune diseases
• Inflammatory bowel disease
• Heart disease

If you want your blood test report to be interpreted by ESR specialist, you can upload your report. Our ESR 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 range of RDW : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	11.717
5-10 years	11.835
10-15 years	11.954
15-20 years	12.074
20-25 years	12.196
25-30 years	12.319
30-35 years	12.443
35-40 years	12.568
40-45 years	12.695
45-50 years	12.823
50-55 years	12.952
55-60 years	13.083
60-70 years	13.215
70-80 years	13.348
80-90 years	13.483
90-100 years	13.619
>100 years	13.756

High ESR and low RDW can be caused by a lot of reasons. If you take ESR and RDW blood tests and the results are higher than 14 mm/hr for ESR and lower than 11.6 % for RDW, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the ESR and RDW Tests Are Done :

If your doctor wants ESR and RDW tests on you, you may need to go through these tests. During the ESR and RDW blood tests, 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 ESR and RDW Test reports by your pathologist.

Medical References

• MedlinePlus – Erythrocyte Sedimentation Rate (ESR)
• Cleveland Clinic – Sedimentation Rate (ESR): What It Is & Normal Range
• Mayo Clinic – Sed rate (erythrocyte sedimentation rate)