What causes high BUN and low RDW?

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

If your BUN is in between 6 mg/dL and 20 mg/dL and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for BUN and RDW 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 6.06
5-10 years 6.121
10-15 years 6.183
15-20 years 6.245
20-25 years 6.308
25-30 years 6.372
30-35 years 6.436
35-40 years 6.501
40-45 years 6.567
45-50 years 6.633
50-55 years 6.7
55-60 years 6.768
60-70 years 6.836
70-80 years 6.905
80-90 years 6.975
90-100 years 7.045
>100 years 7.116

If you want your blood test report to be interpreted by BUN specialist, then you can upload your report. Our BUN expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Your BUN result may be wrong. Click to know the reason in detail

Click here to know Symptoms of High BUN

Click here to know Symptoms of Low RDW

Besides Lab test failures, there are many other reasons for inaccurate blood results. Know the common reasons for inaccurate blood test results

Can Low or High BUN cause Heart Attack? Click here to know

Normal range of BUN found among women : - mg/dL

Ideal values of RDW depending on age :
Age Ideal RDW value
<5 years 11.717
5-10 years 11.835
10-15 years 11.954
15-20 years 12.074
20-25 years 12.196
25-30 years 12.319
30-35 years 12.443
35-40 years 12.568
40-45 years 12.695
45-50 years 12.823
50-55 years 12.952
55-60 years 13.083
60-70 years 13.215
70-80 years 13.348
80-90 years 13.483
90-100 years 13.619
>100 years 13.756

Click here to know Symptoms of High BUN

Click here to know Symptoms of Low RDW

Can Low or High BUN cause Heart Attack? Click here to know

Click here to upload your blood test report

Click here to consult a doctor for your Low BUN problem

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

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

Click here to upload your blood test report

Click here to consult a doctor for your Low BUN problem

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