What causes high Potassium and low Calcium?

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

If your Potassium is in between 3.5 mmol/L and 5.1 mmol/L and your Calcium is in between 8.5 mg/dL and 10.1 mg/dL then you need not worry as these are the normal ranges for Potassium and Calcium respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease Potassium levels include:

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

Normal range of Potassium : 3.5 - 5.1 mmol/L

Ideal values of Potassium depending on age :

Age	Ideal Potassium value
<5 years	3.546
5-10 years	3.593
10-15 years	3.64
15-20 years	3.688
20-25 years	3.737
25-30 years	3.786
30-35 years	3.836
35-40 years	3.887
40-45 years	3.938
45-50 years	3.99
50-55 years	4.043
55-60 years	4.096
60-70 years	4.15
70-80 years	4.205
80-90 years	4.261
90-100 years	4.317
>100 years	4.374

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

Normal range of Calcium : 8.5 - 10.1 mg/dL

Ideal values of Calcium depending on age :

Age	Ideal Calcium value
<5 years	8.612
5-10 years	8.726
10-15 years	8.841
15-20 years	8.958
20-25 years	9.076
25-30 years	9.196
30-35 years	9.317
35-40 years	9.44
40-45 years	9.565
45-50 years	9.691
50-55 years	9.819
55-60 years	9.949
60-70 years	10.08
70-80 years	10.078
80-90 years	10.076
90-100 years	10.074
>100 years	10.072

High Potassium and low Calcium can be caused by a lot of reasons. If you take Potassium and Calcium blood tests and the results are higher than 5.1 mmol/L for Potassium and lower than 8.5 mg/dL for Calcium, 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 Calcium Tests Are Done :

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