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

Your BUN level of 18 is a Normal BUN level.

High levels of BUN in the blood indicate a variety of health problems. If your blood BUN level is between 6 mg/dL and 20 mg/dL, you probably do not have an underlying health problem. But if BUN levels are not in this range, you should see a doctor immediately.

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

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

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

Click here to know Symptoms of Low BUN

Besides Lab test failures, there are many other reasons for inaccurate blood results. Know the common reasons for inaccurate blood test results

Can Low or High BUN cause Heart Attack? Click here to know

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

Click here to know Symptoms of Low BUN

Can Low or High BUN cause Heart Attack? Click here to know

Click here to 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.

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

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

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How the BUN Test Is Done :

If your doctor wants BUN test on you, you may need a BUN blood test. During the BUN blood test, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your BUN Test report by your pathologist.

Click here to upload your blood test report

Symptoms

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