What causes high BUN Creatinine ratio and low BUN?

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

If your BUN Creatinine ratio is in between 5 Ratio and 15 Ratio 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 BUN Creatinine ratio 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 BUN Creatinine ratio : 5 - 15 Ratio

Ideal values of BUN Creatinine ratio depending on age :

Age	Ideal BUN Creatinine ratio value
<5 years	5.271
5-10 years	5.556
10-15 years	5.857
15-20 years	6.174
20-25 years	6.508
25-30 years	6.86
30-35 years	7.231
35-40 years	7.622
40-45 years	8.034
45-50 years	8.469
50-55 years	8.927
55-60 years	9.41
60-70 years	9.919
70-80 years	10.456
80-90 years	11.022
90-100 years	11.618
>100 years	12.247

*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 BUN : 6 - 20 mg/dL

Ideal values of BUN depending on age :

Age	Ideal BUN value
<5 years	6.325
5-10 years	6.667
10-15 years	7.028
15-20 years	7.408
20-25 years	7.809
25-30 years	8.231
30-35 years	8.676
35-40 years	9.145
40-45 years	9.64
45-50 years	10.162
50-55 years	10.712
55-60 years	11.292
60-70 years	11.903
70-80 years	12.547
80-90 years	13.226
90-100 years	13.942
>100 years	14.696

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

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