What causes high Potassium and low BUN?

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

If your Potassium is in between 3.5 mmol/L and 5.1 mmol/L 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 Potassium 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 Potassium : 3.5 - 5.1 mmol/L

Ideal values of Potassium depending on age :

Age	Ideal Potassium value
<5 years	3.549
5-10 years	3.599
10-15 years	3.65
15-20 years	3.701
20-25 years	3.753
25-30 years	3.806
30-35 years	3.86
35-40 years	3.914
40-45 years	3.969
45-50 years	4.025
50-55 years	4.082
55-60 years	4.14
60-70 years	4.198
70-80 years	4.257
80-90 years	4.317
90-100 years	4.378
>100 years	4.44

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

If you want your blood test report to be interpreted by Potassium specialist, then you can upload your report. Our Potassium 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 Potassium levels include:

• Kidney disease
• Addison disease
• Using certain drugs that cause high potassium
• Diabetes
• Conn syndrome

If you want your blood test report to be interpreted by Potassium specialist, you can upload your report. Our Potassium 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 Potassium and low BUN can be caused by a lot of reasons. If you take Potassium and BUN blood tests and the results are higher than 5.1 mmol/L for Potassium 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.

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How the Potassium and BUN Tests Are Done :

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

Medical References

• MedlinePlus – Potassium Blood Test
• WebMD – Potassium Levels Blood Test: High vs. Low, Normal K Level
• MedlinePlus – Potassium test