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    Aldosterone in Blood

    Results

    An aldosterone test measures the level of aldosterone (a hormone made by the adrenal glands) in the blood.

    Aldosterone levels in a blood sample also change depending on whether you are standing up or lying down at the time the blood is taken. Blood aldosterone levels will be higher if you are standing or sitting up for 2 hours before the test.

    Normal

    The normal values listed here-called a reference range-are just a guide. These ranges vary from lab to lab, and your lab may have a different range for what's normal. Your lab report should contain the range your lab uses. Also, your doctor will evaluate your results based on your health and other factors. This means that a value that falls outside the normal values listed here may still be normal for you or your lab.

    Results are usually available in 2 to 5 days.

    Aldosterone in blood 1
    Children Teens Adults
    Standing or sitting down

    5-80 nanograms per deciliter (ng/dL) or 0.14-2.22 nmol/L

    4-48 ng/dL or 0.11-1.33 nmol/L

    7-30 ng/dL or 0.19-0.83 nmol/L

    Lying down

    3-35 ng/dL or 0.08-0.97 nmol/L

    2-22 ng/dL or 0.06-0.61 nmol/L

    3-16 ng/dL or 0.08-0.44 nmol/L

    An overgrowth of normal cells in the adrenal glands (called adrenal hyperplasia) or a tumor of the adrenal glands affects the adrenal glands directly and causes a condition called primary aldosteronism. Certain diseases such as heart failure, cirrhosis, or kidney disease can also cause high aldosterone levels, but this is a normal response by the adrenal glands. These diseases cause secondary aldosteronism.

    Aldosterone and renin levels
    Aldosterone Renin
    Primary hyperaldosteronism (Conn's syndrome)

    High

    Low

    Secondary hyperaldosteronism

    High

    High

    High values

    High aldosterone levels can be caused by:

    Symptoms of a high aldosterone level include high blood pressure, muscle cramps and weakness, numbness or tingling in the hands, and low levels of potassium in the blood.

    Low values

    Addison's disease and some types of kidney disease may cause low aldosterone levels.

    WebMD Medical Reference from Healthwise

    Last Updated: November 14, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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