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24-hour urinary aldosterone excretion rate

Alternative Names: Aldosterone - urine Normal Values: Normal values range from 6 to 25 mcg/24 hours. (This depends on the amount of sodium excreted by the body. The greater the amount of sodium, the lower the level of aldosterone.) Normal value ranges may vary slightly among different laboratories. Text Continues Below Note: mcg/24 hr = micrograms per 24 hours What abnormal results mean: Greater than normal levels of aldosterone may indicate: Conn's syndrome (aldosterone-secreting adenoma) Bilateral adrenal hyperplasia Primary aldosteronism Secondary aldosteronism due to a variety of causes including: Diuretic abuse Laxative abuse Cirrhosis Heart failure Lower than normal levels may indicate Addison's disease

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