Is BUN 18 normal, high or low? What does Blood urea nitrogen level 18 mean?

BUN 18

Your BUN level of 18 is a Normal BUN level.

Normal BUN levels may signal health problems. Generally, levels between 6 mg/dL to 20 mg/dL are considered normal. However, if your levels fall outside this range, it is important to seek medical advice. Consulting a doctor for abnormal creatinine levels is recommended.

Important - Go to the end of this article and read how our patients treated their normal BUN levels 

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

Ideal values of BUN depending on age (male) :
Age Ideal BUN value
<5 years 6.108
5-10 years 6.218
10-15 years 6.33
15-20 years 6.444
20-25 years 6.56
25-30 years 6.678
30-35 years 6.798
35-40 years 6.92
40-45 years 7.045
45-50 years 7.172
50-55 years 7.301
55-60 years 7.432
60-70 years 7.566
70-80 years 7.702
80-90 years 7.841
90-100 years 7.982
>100 years 8.126

*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. Within 12 hours, you'll receive a detailed analysis and precise treatment guidance via email. If you have other blood test results besides BUN, please upload those as well. A comprehensive diagnosis often depends on evaluating all abnormalities for an accurate assessment. Upload blood test report now

1,51,150

Total number of patients treated

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

A video message on the treatment of your normal 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 normal 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
Contact a doctor

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

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

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.

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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 6.111
5-10 years 6.224
10-15 years 6.339
15-20 years 6.457
20-25 years 6.577
25-30 years 6.699
30-35 years 6.823
35-40 years 6.949
40-45 years 7.078
45-50 years 7.209
50-55 years 7.343
55-60 years 7.479
60-70 years 7.618
70-80 years 7.759
80-90 years 7.903
90-100 years 8.05
>100 years 8.199
Chest pain

Can Low or High BUN cause Heart Problems?

Read on to know how abnormal BUN affects heart

Know more

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.

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How the BUN Test Is Done :

When your doctor recommends a BUN test, you'll likely undergo a simple blood draw specifically to measure BUN levels. A pathologist, a specialist in disease study, will collect a small blood sample from your veins using a needle. Your BUN test results are typically available within a few hours after the procedure.

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

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Dr. Dwayne Michaels
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Dr. Dwayne Michaels
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