At a Glance
Why Get Tested?
When to Get Tested?
As part of a routine medical exam, when you have symptoms such as weakness and/or cardiac arrhythmia, or when an electrolyte imbalance is suspected; at regular intervals when you are taking a medication and/or have a disease or condition, such as high blood pressure (hypertension) or kidney disease, that can affect your potassium level
A blood sample drawn from a vein in the arm
Test Preparation Needed?