What causes high BUN Creatinine ratio and low RDW?

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

If your BUN Creatinine ratio is in between 5 Ratio and 15 Ratio and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for BUN Creatinine ratio 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 Creatinine ratio : 5 - 15 Ratio

Ideal values of BUN Creatinine ratio depending on age :

Age	Ideal BUN Creatinine ratio value
<5 years	5.254
5-10 years	5.521
10-15 years	5.801
15-20 years	6.096
20-25 years	6.406
25-30 years	6.731
30-35 years	7.073
35-40 years	7.432
40-45 years	7.81
45-50 years	8.207
50-55 years	8.624
55-60 years	9.062
60-70 years	9.522
70-80 years	10.006
80-90 years	10.514
90-100 years	11.048
>100 years	11.609

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

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

• Kidney failure
• Decreased blood flow to the kidneys
• Dehydration
• Conditions that can block the flow of urine
• Congestive heart failure

If you want your blood test report to be interpreted by BUN Creatinine ratio specialist, you can upload your report. Our BUN Creatinine ratio 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 RDW : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	12.189
5-10 years	12.808
10-15 years	13.459
15-20 years	13.425
20-25 years	13.39
25-30 years	13.355
30-35 years	13.32
35-40 years	13.997
40-45 years	13.961
45-50 years	13.925
50-55 years	13.889
55-60 years	13.854
60-70 years	13.818
70-80 years	13.782
80-90 years	13.746
90-100 years	13.71
>100 years	13.674

High BUN Creatinine ratio and low RDW can be caused by a lot of reasons. If you take BUN Creatinine ratio and RDW blood tests and the results are higher than 15 Ratio for BUN Creatinine ratio 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 Creatinine ratio and RDW Tests Are Done :

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