Is BUN Creatinine ratio 15.7 high, normal or dangerous? What does BUN Creatinine ratio level 15.7 mean?

📅 Medical Review Date: September 14, 2025

Your BUN Creatinine ratio level of 15.7 is a High BUN Creatinine ratio level.

High BUN Creatinine ratio levels may indicate underlying health problems. The normal range is typically between 5 Ratio and 15 Ratio. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal BUN Creatinine ratio range for men is :5 - 15 Ratio

Ideal values of BUN Creatinine ratio depending on age (male) :

Age	Ideal BUN Creatinine ratio value
<5 years	5.079
5-10 years	5.159
10-15 years	5.24
15-20 years	5.322
20-25 years	5.406
25-30 years	5.491
30-35 years	5.577
35-40 years	5.665
40-45 years	5.754
45-50 years	5.844
50-55 years	5.936
55-60 years	6.029
60-70 years	6.124
70-80 years	6.22
80-90 years	6.318
90-100 years	6.417
>100 years	6.518

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

Get Advice via Email : Send us your blood test report, and our BUN Creatinine ratio experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides BUN Creatinine ratio, please include those too—an accurate diagnosis often requires a full view of all abnormalities. 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

Receive world-class medical opinion about your high BUN Creatinine ratio levels over email.Upload blood test report now

Normal range of BUN Creatinine ratio found among women :5-15 Ratio

Ideal values of BUN Creatinine ratio depending on age (female) :

Age	Ideal BUN Creatinine ratio value
<5 years	5.081
5-10 years	5.163
10-15 years	5.246
15-20 years	5.331
20-25 years	5.417
25-30 years	5.505
30-35 years	5.594
35-40 years	5.684
40-45 years	5.776
45-50 years	5.869
50-55 years	5.964
55-60 years	6.06
60-70 years	6.158
70-80 years	6.258
80-90 years	6.359
90-100 years	6.462
>100 years	6.566

If you take a BUN Creatinine ratio blood test and the results are not in the normal range (5-15 Ratio), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the BUN Creatinine ratio Test Is Done :

When your doctor orders a BUN Creatinine ratio test, it involves a straightforward blood draw to measure your BUN Creatinine ratio levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your BUN Creatinine ratio test results are usually available within a few hours.

Medical References

• WebMD – Blood Urea Nitrogen (BUN) Test: High vs. Low Levels, Normal Range
• NIH – The meaning of the blood urea nitrogen/creatinine ratio in acute kidney injury