Description
A potassium test is used to measure the amount of potassium in your blood. Potassium is an electrolyte that’s essential for proper muscle and nerve function. Even minor increases or decreases in the amount of potassium in your blood can result in serious health problems. Your doctor may order a potassium test if they suspect you have an electrolyte imbalance or as part of a routine checkup.
Precaution
No specific preparation required for this test.