What causes high BUN and low Segmented Neutrophils?

High BUN and low Segmented Neutrophils can be caused by many reasons.

If your BUN is in between 6 mg/dL and 20 mg/dL and your Segmented Neutrophils is in between 40 % and 80 % then you need not worry as these are the normal ranges for BUN and Segmented Neutrophils 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	6.438
35-40 years	6.503
40-45 years	6.569
45-50 years	6.635
50-55 years	6.702
55-60 years	6.77
60-70 years	6.838
70-80 years	6.907
80-90 years	6.977
90-100 years	7.048
>100 years	7.119

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

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Normal range of Segmented Neutrophils : 40 - 80 %

Ideal values of Segmented Neutrophils depending on age :

Age	Ideal Segmented Neutrophils value
<5 years	40.404
5-10 years	40.812
10-15 years	41.225
15-20 years	41.642
20-25 years	42.063
25-30 years	42.488
30-35 years	42.918
35-40 years	43.352
40-45 years	43.79
45-50 years	44.233
50-55 years	44.68
55-60 years	45.132
60-70 years	45.588
70-80 years	46.049
80-90 years	46.515
90-100 years	46.985
>100 years	47.46

High BUN and low Segmented Neutrophils can be caused by a lot of reasons. If you take BUN and Segmented Neutrophils blood tests and the results are higher than 20 mg/dL for BUN and lower than 40 % for Segmented Neutrophils, 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 Segmented Neutrophils Tests Are Done :

If your doctor wants BUN and Segmented Neutrophils tests on you, you may need to go through these tests. During the BUN and Segmented Neutrophils 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 Segmented Neutrophils 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