24 hours urinary aldosterone excretion rate

Alternative names:

aldosterone - urine

Normal values:

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.)

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