What causes high BUN and low Eosinophils?

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

If your BUN is in between 6 mg/dL and 20 mg/dL and your Eosinophils is in between 1 % and 6 % then you need not worry as these are the normal ranges for BUN and Eosinophils 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 BUN : 6 - 20 mg/dL

Ideal values of BUN depending on age :

Age	Ideal BUN value
<5 years	6.061
5-10 years	6.122
10-15 years	6.184
15-20 years	6.247
20-25 years	6.31
25-30 years	6.374
30-35 years	6.439
35-40 years	6.504
40-45 years	6.57
45-50 years	6.636
50-55 years	6.703
55-60 years	6.771
60-70 years	6.84
70-80 years	6.909
80-90 years	6.979
90-100 years	7.05
>100 years	7.121

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

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Normal range of Eosinophils : 1 - 6 %

Ideal values of Eosinophils depending on age :

Age	Ideal Eosinophils value
<5 years	1.01
5-10 years	1.02
10-15 years	1.03
15-20 years	1.04
20-25 years	1.051
25-30 years	1.062
30-35 years	1.073
35-40 years	1.084
40-45 years	1.095
45-50 years	1.106
50-55 years	1.117
55-60 years	1.128
60-70 years	1.139
70-80 years	1.151
80-90 years	1.163
90-100 years	1.175
>100 years	1.187

High BUN and low Eosinophils can be caused by a lot of reasons. If you take BUN and Eosinophils blood tests and the results are higher than 20 mg/dL for BUN and lower than 1 % for Eosinophils, 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.

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How the BUN and Eosinophils Tests Are Done :

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

Medical References

• Mayo Clinic – Blood urea nitrogen (BUN) test
• MedlinePlus – BUN (Blood Urea Nitrogen)
• Cleveland Clinic – Blood Urea Nitrogen (BUN): Testing, Levels & Indication