Is Serum BUN 20.8 high, normal or dangerous? What does Serum BUN level 20.8 mean?

Your Serum BUN level of 20.8 is a High Serum BUN level.

High Serum BUN levels may indicate underlying health problems. The normal range is typically between 2.1 mmol/L and 8.5 mmol/L. 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.

The normal Serum BUN range for men is :2.1 - 8.5 mmol/L

Ideal values of Serum BUN depending on age (male) :

Age	Ideal Serum BUN value
<5 years	2.144
5-10 years	2.189
10-15 years	2.235
15-20 years	2.281
20-25 years	2.328
25-30 years	2.376
30-35 years	2.425
35-40 years	2.475
40-45 years	2.526
45-50 years	2.579
50-55 years	2.633
55-60 years	2.688
60-70 years	2.744
70-80 years	2.801
80-90 years	2.859
90-100 years	2.918
>100 years	2.979

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

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

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Normal range of Serum BUN found among women :2.1-8.5 mmol/L

Ideal values of Serum BUN depending on age (female) :

Age	Ideal Serum BUN value
<5 years	2.145
5-10 years	2.191
10-15 years	2.238
15-20 years	2.286
20-25 years	2.335
25-30 years	2.385
30-35 years	2.436
35-40 years	2.488
40-45 years	2.541
45-50 years	2.595
50-55 years	2.651
55-60 years	2.708
60-70 years	2.766
70-80 years	2.825
80-90 years	2.886
90-100 years	2.948
>100 years	3.011

If you take a Serum BUN blood test and the results are not in the normal range (2.1-8.5 mmol/L), 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 Serum BUN Test Is Done :

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