Is BUN Creatinine ratio 17.1 high, normal or dangerous? What does BUN Creatinine ratio level 17.1 mean?

📅 Medical Review Date: October 29, 2025

Your BUN Creatinine ratio level of 17.1 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	5.086
5-10 years	5.173
10-15 years	5.261
15-20 years	5.351
20-25 years	5.443
25-30 years	5.536
30-35 years	5.631
35-40 years	5.727
40-45 years	5.825
45-50 years	5.925
50-55 years	6.026
55-60 years	6.129
60-70 years	6.234
70-80 years	6.341
80-90 years	6.449
90-100 years	6.559
>100 years	6.671

*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	5.088
5-10 years	5.178
10-15 years	5.269
15-20 years	5.362
20-25 years	5.456
25-30 years	5.552
30-35 years	5.65
35-40 years	5.75
40-45 years	5.851
45-50 years	5.954
50-55 years	6.059
55-60 years	6.166
60-70 years	6.275
70-80 years	6.386
80-90 years	6.498
90-100 years	6.612
>100 years	6.728

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