The serum aldosterone test is used to evaluate the function of the adrenal glands and diagnose conditions that affect them, such as Addison’s disease, Conn’s syndrome, or adrenal tumors. It can also help identify the cause of high blood pressure or low potassium levels in the blood.
When this test is required
Your healthcare provider may order the serum aldosterone test if you have symptoms such as muscle weakness, fatigue, dizziness, or excessive thirst, or if you have a condition that affects the adrenal glands or blood pressure regulation.
What the Test Detects
The serum aldosterone test measures the amount of aldosterone in the blood.
Preparation for the Test
You may need to avoid certain medications, such as diuretics, corticosteroids, or blood pressure medications, before the test. Your healthcare provider will provide specific instructions.
Sample Requirements
The serum aldosterone test requires a blood sample, usually drawn from a vein in the arm.
Additional Notes
The serum aldosterone test is just one tool that healthcare providers use to diagnose and manage adrenal gland disorders. Your healthcare provider may order additional tests, such as a renin test, to get a complete picture of your adrenal function. It’s important to follow your healthcare provider’s instructions and discuss any concerns you may have about the test or its results.
