Aldosterone Blood Test
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Test Code: 004374
Specimen Type: Blood
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Description:
Aldosterone Blood Test (Labcorp)
This test measures Aldosterone levels in the blood. Aldosterone is a hormone produced by the adrenal glands which helps to regulate the levels of sodium and potassium in the blood as well as controlling blood pressure and volume. A condition known as Primary Aldosteronism or Conn Syndrome causes the adrenal glands to produce excess aldosterone which causes the body to retain excess sodium and lose potassium resulting in high blood pressure.
An Aldosterone test is typically ordered to help diagnose the cause of high blood pressure, especially if a person is not responding to blood pressure medication or has low potassium levels. While Aldosterone can be ordered by itself, an Aldosterone/Renin Ratio Test is often more useful as it provides more information. A 24 Hour Urine Aldosterone test is also available.
Turnaround for this test is typically 4-6 business days.
Where can I find an Aldosterone test near me?
Check our lab finder to locate a collection site in your area.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
Requirements:
The donor should be taken off medications for at least three weeks prior to sample collection. Dietary sodium levels during the period prior to testing can affect aldosterone levels. Reference intervals are based on a normal sodium diet.
It is recommended that the donor be ambulatory for at least 30 minutes before blood collection. Reference intervals are provided for donors who have ambulated for at least 30 minutes prior to collection.
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