Aldosterone Test FAQ
What is an aldosterone test?
Why is an aldosterone test important?
What type of specimen will I submit?
Do I need to fast to take this test?
How long does it take to get test results?
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Aldosterone Lab Test - More Information
The aldosterone test, also known as an aldosterone lab test, measures the aldosterone blood level.
Aldosterone is a steroid hormone produced by the adrenal glands. Known as a mineralocorticoid, it helps regulate salt and water balance in the body by helping the kidney keep sodium and excrete potassium. If the body overproduces aldosterone (primary aldosteronism), then high blood pressure with low potassium levels are often seen.
The aldosterone blood test is performed as part of an evaluation for primary hypertension. Approximately 2% of people with primary hypertension also have high aldosterone (primary hyperaldosteronism). Also, in many cases, low potassium and low direct renin levels will be seen in these situations. Body position and recent sodium intake might affect aldosterone blood test results.
To get an aldosterone test near you, order online and get your blood drawn at the Quest Diagnostics lab. Once your aldosterone lab report is ready, it will be available for download. As can be seen on the sample aldosterone lab results, the aldosterone blood level is reported as a number which can be compared against the reference range provided by the lab.
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