What causes high BUN and low Platelet count?

High BUN and low Platelet count can be caused by many reasons.

If your BUN is in between 6 mg/dL and 20 mg/dL and your Platelet count is in between 150 thou/uL and 450 thou/uL then you need not worry as these are the normal ranges for BUN and Platelet count 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	6.06
5-10 years	6.121
10-15 years	6.182
15-20 years	6.244
20-25 years	6.307
25-30 years	6.37
30-35 years	6.434
35-40 years	6.499
40-45 years	6.564
45-50 years	6.63
50-55 years	6.696
55-60 years	6.763
60-70 years	6.831
70-80 years	6.9
80-90 years	6.969
90-100 years	7.039
>100 years	7.11

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

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Normal range of Platelet count : 150 - 450 thou/uL

Ideal values of Platelet count depending on age :

Age	Ideal Platelet count value
<5 years	151.505
5-10 years	153.025
10-15 years	154.56
15-20 years	156.11
20-25 years	157.676
25-30 years	159.257
30-35 years	160.854
35-40 years	162.467
40-45 years	164.097
45-50 years	165.743
50-55 years	167.405
55-60 years	169.084
60-70 years	170.78
70-80 years	172.493
80-90 years	174.223
90-100 years	175.97
>100 years	177.735

High BUN and low Platelet count can be caused by a lot of reasons. If you take BUN and Platelet count blood tests and the results are higher than 20 mg/dL for BUN and lower than 150 thou/uL for Platelet count, 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 Platelet count Tests Are Done :

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