What does high RDW SD and ESR mean in blood test?

High RDW SD and ESR can be caused by numerous problems.

High levels of RDW SD and ESR in the blood indicate a variety of health problems. If your blood RDW SD level is between 39 fL to 46 fL and the ESR level is between 0 fL to 14 mm/hr, then your body does not have any underlying health problems. But if RDW SD and ESR levels exceed these levels, you should see a doctor immediately.

Normal RDW SD range : 39 - 46 fL

Age-wise ideal RDW SD level in blood:

Age	Ideal RDW SD value
<5 years	39.708
5-10 years	40.429
10-15 years	41.163
15-20 years	41.911
20-25 years	42.672
25-30 years	43.447
30-35 years	44.236
35-40 years	45.039
40-45 years	45.857
45-50 years	45.842
50-55 years	45.826
55-60 years	45.811
60-70 years	45.796
70-80 years	45.781
80-90 years	45.766
90-100 years	45.751
>100 years	45.736

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

If you want your blood test report to be interpreted by RDW SD specialist, then 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

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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

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

Normal ESR range : 0 - 14 mm/hr

Age-wise ideal ESR level in blood:

Age	Ideal ESR value
<5 years	2.036
5-10 years	2.073
10-15 years	2.111
15-20 years	2.149
20-25 years	2.188
25-30 years	2.228
30-35 years	2.268
35-40 years	2.309
40-45 years	2.351
45-50 years	2.394
50-55 years	2.437
55-60 years	2.481
60-70 years	2.526
70-80 years	2.572
80-90 years	2.619
90-100 years	2.667
>100 years	2.715

High RDW SD and ESR 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 46 fL for RDW SD and more than 14 mm/hr for ESR, 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 SD and ESR test. In most hospitals RDW SD and ESR 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.