24-hour urinary aldosterone excretion rate

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Aldosterone - urine

Normal values range from 1.5 to 85 micrograms per 24 hours. However, results depend on the amount of sodium in your diet. The greater the amount of dietary sodium, the lower the level of aldosterone.

Results may be questionable if your kidneys do not function properly.

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

Greater than normal levels of aldosterone may be due to:

• Conn's syndrome
• Bilateral adrenal hyperplasia
• Abuse of diuretics ("water pills")
• Laxative abuse
• Cirrhosis
• Heart failure

Lower than normal levels may indicate Addison's disease.

Review Date: 07/25/2009
Reviewed By: Robert Cooper, MD, Endocrinology Specialist and Chief of Medicine, Holyoke Medical Center, Assistant Professor of Medicine, Tufts University School of Medicine, Boston, MA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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