Potassium is a mineral needed for vital bodily functions. But people with kidney disease may need to know which high potassium foods ... levels with a blood test. The ranges (in milligrams ...
The only way to really find out if your potassium is in the normal range is to have a blood test where the serum potassium is measured. The normal serum potassium is between 3.5 and 5.1 ...