Is BUN 21 high, normal or dangerous? What does Blood urea nitrogen level 21 mean?

Your BUN level of 21 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	6.126
5-10 years	6.255
10-15 years	6.386
15-20 years	6.52
20-25 years	6.657
25-30 years	6.797
30-35 years	6.94
35-40 years	7.086
40-45 years	7.235
45-50 years	7.387
50-55 years	7.542
55-60 years	7.7
60-70 years	7.862
70-80 years	8.027
80-90 years	8.196
90-100 years	8.368
>100 years	8.544

*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	6.13
5-10 years	6.263
10-15 years	6.398
15-20 years	6.536
20-25 years	6.677
25-30 years	6.821
30-35 years	6.969
35-40 years	7.12
40-45 years	7.274
45-50 years	7.431
50-55 years	7.592
55-60 years	7.756
60-70 years	7.924
70-80 years	8.095
80-90 years	8.27
90-100 years	8.449
>100 years	8.632

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.

BUN treatment - Click to read 10 GOLDEN ARTICLES on Kidney health