Aldosterone - urine; Addison disease - urine aldosterone; Cirrhosis - serum aldosterone

The 24-hour urinary aldosterone excretion test measures the amount of aldosterone removed in the urine in a day.

Aldosterone can also be measured with a blood test.

A 24-hour urine sample is needed. You will need to collect your urine over 24 hours. Your health care provider will tell you how to do this. Follow instructions exactly.