What does high RDW and WBC mean in blood test?

High RDW and WBC can be caused by numerous problems.

High levels of RDW and WBC in the blood indicate a variety of health problems. If your blood RDW level is between 11.6 % to 14 % and the WBC level is between 4 % to 11 thou/uL, then your body does not have any underlying health problems. But if RDW and WBC 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	12.182
5-10 years	12.794
10-15 years	13.436
15-20 years	13.402
20-25 years	13.368
25-30 years	13.334
30-35 years	13.3
35-40 years	13.968
40-45 years	13.933
45-50 years	13.897
50-55 years	13.862
55-60 years	13.827
60-70 years	13.792
70-80 years	13.757
80-90 years	13.723
90-100 years	13.689
>100 years	13.654

*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 WBC range : 4 - 11 thou/uL

Age-wise ideal WBC level in blood:

Age	Ideal WBC value
<5 years	4.201
5-10 years	4.412
10-15 years	4.633
15-20 years	4.866
20-25 years	5.11
25-30 years	5.367
30-35 years	5.636
35-40 years	5.919
40-45 years	6.216
45-50 years	6.528
50-55 years	6.856
55-60 years	7.2
60-70 years	7.561
70-80 years	7.941
80-90 years	8.34
90-100 years	8.759
>100 years	9.199

High RDW and WBC 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 11 thou/uL for WBC, 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 WBC test. In most hospitals RDW and WBC 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.