Is BUN 40 high, normal or dangerous? What does Blood urea nitrogen level 40 mean?

Your BUN level of 40 is a High 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 high 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 6.24
5-10 years 6.49
10-15 years 6.75
15-20 years 7.02
20-25 years 7.301
25-30 years 7.593
30-35 years 7.897
35-40 years 8.213
40-45 years 8.542
45-50 years 8.884
50-55 years 9.239
55-60 years 9.609
60-70 years 9.993
70-80 years 10.393
80-90 years 10.809
90-100 years 11.241
>100 years 11.691

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

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 Article : How our patients treated their high bun?

Click here to know Symptoms of High 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 6.247
5-10 years 6.504
10-15 years 6.772
15-20 years 7.051
20-25 years 7.342
25-30 years 7.644
30-35 years 7.959
35-40 years 8.287
40-45 years 8.628
45-50 years 8.983
50-55 years 9.353
55-60 years 9.738
60-70 years 10.139
70-80 years 10.557
80-90 years 10.992
90-100 years 11.445
>100 years 11.917

Click here to know Symptoms of High 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:

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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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