Why get tested?
To determine if your aldosterone or renin levels are abnormal; to detect hyperaldosteronism (overproduction of aldosterone) or hypoaldosteronism (underproduction of aldosterone)

When to get tested?
If you develop findings associated with hyperaldosteronism, such as elevated blood pressure, muscle weakness, and low potassium

Sample required?
A blood sample drawn from a vein in your arm or a 24-hour urine sample