What causes high BUN and low RDW CV?

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

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

Ideal values of BUN depending on age :

Age	Ideal BUN value
<5 years	6.064
5-10 years	6.129
10-15 years	6.195
15-20 years	6.261
20-25 years	6.328
25-30 years	6.396
30-35 years	6.464
35-40 years	6.533
40-45 years	6.603
45-50 years	6.674
50-55 years	6.745
55-60 years	6.817
60-70 years	6.89
70-80 years	6.964
80-90 years	7.038
90-100 years	7.113
>100 years	7.189

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

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Normal range of RDW CV : 11.6 - 14 %

Ideal values of RDW CV depending on age :

Age	Ideal RDW CV value
<5 years	11.724
5-10 years	11.849
10-15 years	11.976
15-20 years	12.104
20-25 years	12.233
25-30 years	12.364
30-35 years	12.496
35-40 years	12.63
40-45 years	12.765
45-50 years	12.901
50-55 years	13.039
55-60 years	13.178
60-70 years	13.319
70-80 years	13.461
80-90 years	13.605
90-100 years	13.75
>100 years	13.897

High BUN and low RDW CV can be caused by a lot of reasons. If you take BUN and RDW CV blood tests and the results are higher than 20 mg/dL for BUN and lower than 11.6 % for RDW CV, 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 BUN and RDW CV Tests Are Done :

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