What causes high RDW CV and low BUN?

High RDW CV and low BUN can be caused by many reasons.

If your RDW CV is in between 11.6 % and 14 % and your BUN is in between 6 mg/dL and 20 mg/dL then you need not worry as these are the normal ranges for RDW CV and BUN 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 RDW CV : 11.6 - 14 %

Ideal values of RDW CV depending on age :

Age	Ideal RDW CV value
<5 years	11.802
5-10 years	12.007
10-15 years	12.216
15-20 years	12.429
20-25 years	12.645
25-30 years	12.865
30-35 years	13.089
35-40 years	13.317
40-45 years	13.549
45-50 years	13.785
50-55 years	13.781
55-60 years	13.777
60-70 years	13.773
70-80 years	13.769
80-90 years	13.765
90-100 years	13.761
>100 years	13.757

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

If you want your blood test report to be interpreted by RDW CV specialist, then you can upload your report. Our RDW CV 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 CV levels include:

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

If you want your blood test report to be interpreted by RDW CV specialist, you can upload your report. Our RDW CV 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 BUN : 6 - 20 mg/dL

Ideal values of BUN depending on age :

Age	Ideal BUN value
<5 years	6.104
5-10 years	6.21
10-15 years	6.318
15-20 years	6.428
20-25 years	6.54
25-30 years	6.654
30-35 years	6.77
35-40 years	6.888
40-45 years	7.008
45-50 years	7.13
50-55 years	7.254
55-60 years	7.38
60-70 years	7.508
70-80 years	7.639
80-90 years	7.772
90-100 years	7.907
>100 years	8.045

High RDW CV and low BUN can be caused by a lot of reasons. If you take RDW CV and BUN blood tests and the results are higher than 14 % for RDW CV and lower than 6 mg/dL for BUN, 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 RDW CV and BUN Tests Are Done :

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