Is BUN Creatinine ratio 16.4 high, normal or dangerous? What does BUN Creatinine ratio level 16.4 mean?
đź“… Medical Review Date: September 15, 2025
Your BUN Creatinine ratio level of 16.4 is a High BUN Creatinine ratio level.
A BUN creatinine ratio of 16.4 Ratio usually means dehydration or reduced blood flow to the kidneys. It suggests a prerenal cause of kidney dysfunction. High levels of BUN creatinine ratio can cause dry mouth, extreme thirst, dizziness, low urine output, fatigue, and rapid heartbeat. This can be caused by dehydration, heart failure, gastrointestinal bleeding, or high protein diet. Further tests are often needed to identify the cause and guide appropriate treatment.
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.
Important - Scroll to the end of this article to see how our patients managed their high BUN Creatinine ratio levels
The normal BUN Creatinine ratio range for men is :5 - 15 Ratio
| Age | Ideal BUN Creatinine ratio value |
|---|---|
| <5 years | 5.082 |
| 5-10 years | 5.165 |
| 10-15 years | 5.25 |
| 15-20 years | 5.336 |
| 20-25 years | 5.424 |
| 25-30 years | 5.513 |
| 30-35 years | 5.603 |
| 35-40 years | 5.695 |
| 40-45 years | 5.788 |
| 45-50 years | 5.883 |
| 50-55 years | 5.979 |
| 55-60 years | 6.077 |
| 60-70 years | 6.177 |
| 70-80 years | 6.278 |
| 80-90 years | 6.381 |
| 90-100 years | 6.486 |
| >100 years | 6.592 |
*Ideal values are calculated based on our database of patient records
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Total number of patients treatedImportant - Read more questions about high BUN Creatinine ratio levels after this video message
A video message on the treatment of your high BUN Creatinine ratio level
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Important - At the end of this article read how our patients treated their high BUN Creatinine ratio levels
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
Important - At the end of this article read how our patients treated their high BUN Creatinine ratio levels
Normal range of BUN Creatinine ratio found among women :5-15 Ratio
| Age | Ideal BUN Creatinine ratio value |
|---|---|
| <5 years | 5.084 |
| 5-10 years | 5.17 |
| 10-15 years | 5.257 |
| 15-20 years | 5.346 |
| 20-25 years | 5.436 |
| 25-30 years | 5.528 |
| 30-35 years | 5.621 |
| 35-40 years | 5.716 |
| 40-45 years | 5.813 |
| 45-50 years | 5.911 |
| 50-55 years | 6.011 |
| 55-60 years | 6.113 |
| 60-70 years | 6.216 |
| 70-80 years | 6.321 |
| 80-90 years | 6.428 |
| 90-100 years | 6.537 |
| >100 years | 6.647 |
Also Read :Symptoms of High BUN Creatinine ratio
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.
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Medically Reviewed By
Dr. Hernandez, MD
Laboratory Medicine Specialist
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Laboratory Expertise:
- Clinical Pathology Certification
- 15+ years lab analysis experience
- Specializes in test interpretation
- Medical Advisory Board Member
Medical Disclaimer: This information is for educational purposes and should not replace professional medical advice. Consult your physician for diagnosis and treatment. Read full disclaimer.
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