What causes high BUN and low RDW SD?

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

If your BUN is in between 6 mg/dL and 20 mg/dL and your RDW SD is in between 39 fL and 46 fL then you need not worry as these are the normal ranges for BUN and RDW SD 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 7.039
90-100 years 7.114
>100 years 7.19

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 SD

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 SD depending on age :
Age Ideal RDW SD value
<5 years 39.417
5-10 years 39.839
10-15 years 40.265
15-20 years 40.696
20-25 years 41.131
25-30 years 41.571
30-35 years 42.016
35-40 years 42.466
40-45 years 42.92
45-50 years 43.379
50-55 years 43.843
55-60 years 44.312
60-70 years 44.786
70-80 years 45.265
80-90 years 45.749
90-100 years 45.744
>100 years 45.738

Click here to know Symptoms of High BUN

Click here to know Symptoms of Low RDW SD

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 SD can be caused by a lot of reasons. If you take BUN and RDW SD blood tests and the results are higher than 20 mg/dL for BUN and lower than 39 fL for RDW SD, 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 SD Tests Are Done :

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