What does high RDW and RDW CV mean in blood test?

High RDW and RDW CV can be caused by numerous problems.

High levels of RDW and RDW CV in the blood indicate a variety of health problems. If your blood RDW level is between 11.6 % to 14 % and the RDW CV level is between 11.6 % to 14 %, then your body does not have any underlying health problems. But if RDW and RDW CV levels exceed these levels, you should see a doctor immediately.

Normal RDW range : 11.6 - 14 %

Age-wise ideal RDW level in blood:

Age	Ideal RDW value
<5 years	12.26
5-10 years	12.958
10-15 years	13.695
15-20 years	13.65
20-25 years	13.606
25-30 years	13.562
30-35 years	13.518
35-40 years	13.474
40-45 years	13.431
45-50 years	13.387
50-55 years	13.344
55-60 years	13.301
60-70 years	13.258
70-80 years	13.215
80-90 years	13.967
90-100 years	13.922
>100 years	13.877

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

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

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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

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

Normal RDW CV range : 11.6 - 14 %

Age-wise ideal RDW CV level in blood:

Age	Ideal RDW CV value
<5 years	12.26
5-10 years	12.958
10-15 years	13.695
15-20 years	13.65
20-25 years	13.606
25-30 years	13.562
30-35 years	13.518
35-40 years	13.474
40-45 years	13.431
45-50 years	13.387
50-55 years	13.344
55-60 years	13.301
60-70 years	13.258
70-80 years	13.215
80-90 years	13.967
90-100 years	13.922
>100 years	13.877

High RDW and RDW CV 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 14 % for RDW and more than 14 % for RDW CV, 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 and RDW CV test. In most hospitals RDW and RDW CV 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.