What causes high BUN and low PCV?

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

If your BUN is in between 6 mg/dL and 20 mg/dL and your PCV is in between 39 % and 51 % then you need not worry as these are the normal ranges for BUN and PCV 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	6.063
5-10 years	6.127
10-15 years	6.192
15-20 years	6.257
20-25 years	6.323
25-30 years	6.39
30-35 years	6.458
35-40 years	6.526
40-45 years	6.595
45-50 years	6.665
50-55 years	6.735
55-60 years	6.806
60-70 years	6.878
70-80 years	6.951
80-90 years	7.024
90-100 years	7.098
>100 years	7.173

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

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Normal range of PCV : 39 - 51 %

Ideal values of PCV depending on age :

Age	Ideal PCV value
<5 years	39.412
5-10 years	39.829
10-15 years	40.25
15-20 years	40.675
20-25 years	41.105
25-30 years	41.539
30-35 years	41.978
35-40 years	42.422
40-45 years	42.87
45-50 years	43.323
50-55 years	43.781
55-60 years	44.244
60-70 years	44.712
70-80 years	45.185
80-90 years	45.663
90-100 years	46.146
>100 years	46.634

High BUN and low PCV can be caused by a lot of reasons. If you take BUN and PCV blood tests and the results are higher than 20 mg/dL for BUN and lower than 39 % for PCV, 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 PCV Tests Are Done :

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