Is BUN 47 high, normal or dangerous? What does Blood urea nitrogen level 47 mean?

📅 Medical Review Date: September 17, 2025

Your BUN level of 47 is a High BUN level.

High BUN levels may indicate underlying health problems. The normal range is typically between 6 mg/dL and 20 mg/dL. 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 levels

The normal BUN range for men is :6 - 20 mg/dL

**Ideal values of BUN depending on age (male) :**
Age	Ideal BUN value
<5 years	6.282
5-10 years	6.577
10-15 years	6.886
15-20 years	7.21
20-25 years	7.549
25-30 years	7.904
30-35 years	8.275
35-40 years	8.664
40-45 years	9.071
45-50 years	9.497
50-55 years	9.943
55-60 years	10.41
60-70 years	10.899
70-80 years	11.411
80-90 years	11.947
90-100 years	12.509
>100 years	13.097

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

Get Advice via Email : Send us your blood test report, and our BUN 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, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

1,51,150

Total number of patients treated

Important - Read more questions about high BUN levels after this video message

A video message on the treatment of your high BUN level

If you want your blood test report to be interpreted by BUN specialist, you can upload your report. Our BUN expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

Important - At the end of this article read how our patients treated their high BUN levels

Some examples of conditions that increase or decrease BUN levels include:

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

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

Important - At the end of this article read how our patients treated their high BUN levels

Also Read :How our patients treated their high bun?

You can learn techniques to reduce high BUN levels by reading this 100 page eBook. This book is written by a patient himself and reviewed by the doctors of Medchunk. Read eBook here.

Normal range of BUN found among women :6-20 mg/dL

**Ideal values of BUN depending on age (female) :**
Age	Ideal BUN value
<5 years	6.29
5-10 years	6.594
10-15 years	6.913
15-20 years	7.248
20-25 years	7.599
25-30 years	7.967
30-35 years	8.353
35-40 years	8.757
40-45 years	9.181
45-50 years	9.625
50-55 years	10.091
55-60 years	10.58
60-70 years	11.092
70-80 years	11.629
80-90 years	12.192
90-100 years	12.782
>100 years	13.401

Upload your blood test report

If you take a BUN blood test and the results are not in the normal range (6-20 mg/dL), 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.

Important :How our patients treated their high bun?

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How the BUN Test Is Done :

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