What causes high WBC and low BUN?

High WBC and low BUN can be caused by many reasons.

If your WBC is in between 4 thou/uL and 11 thou/uL and your BUN is in between 6 mg/dL and 20 mg/dL then you need not worry as these are the normal ranges for WBC and BUN respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of WBC : 4 - 11 thou/uL

Ideal values of WBC depending on age :

Age	Ideal WBC value
<5 years	4.056
5-10 years	4.113
10-15 years	4.171
15-20 years	4.23
20-25 years	4.29
25-30 years	4.35
30-35 years	4.411
35-40 years	4.473
40-45 years	4.536
45-50 years	4.6
50-55 years	4.665
55-60 years	4.731
60-70 years	4.798
70-80 years	4.866
80-90 years	4.935
90-100 years	5.005
>100 years	5.076

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

If you want your blood test report to be interpreted by WBC specialist, then you can upload your report. Our WBC expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

1,37,160

Total number of patients treated

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

• Infections, most commonly caused by bacteria and some viruses, less commonly by fungi or parasites
• Bone marrow damage
• Overwhelming infections (e.g., sepsis)
• Inflammation or inflammatory conditions such as vasculitis or inflammatory bowel disease
• Myelodysplastic syndrome

If you want your blood test report to be interpreted by WBC specialist, you can upload your report. Our WBC expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Normal range of BUN : 6 - 20 mg/dL

Ideal values of BUN depending on age :

Age	Ideal BUN value
<5 years	6.085
5-10 years	6.171
10-15 years	6.258
15-20 years	6.346
20-25 years	6.435
25-30 years	6.526
30-35 years	6.618
35-40 years	6.711
40-45 years	6.806
45-50 years	6.902
50-55 years	6.999
55-60 years	7.098
60-70 years	7.198
70-80 years	7.299
80-90 years	7.402
90-100 years	7.506
>100 years	7.612

High WBC and low BUN can be caused by a lot of reasons. If you take WBC and BUN blood tests and the results are higher than 11 thou/uL for WBC and lower than 6 mg/dL for BUN, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

This page has got the maximum number of views from the below mentioned cities (traffic in last 30 days):

How the WBC and BUN Tests Are Done :

If your doctor wants WBC and BUN tests on you, you may need to go through these tests. During the WBC and BUN blood tests, 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 WBC and BUN Test reports by your pathologist.