Friday, February, 10, 2012

Sodium - urine

Table of Contents

Alternative Names

Urinary 24 hours sodium; Urine Na+


Normal Values

Normal values are generally 15 to 250 milliequivalents per liter per day (mEq/L/day), depending on how much fluid and salt you consume. Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.


What abnormal results mean

Greater than normal urine sodium levels may be caused by too much salt in the diet or certain medications.

Lower than normal urine sodium levels may indicate:

  • Aldosteronism
  • Congestive heart failure
  • Diarrhea and fluid loss
  • Kidney failure


Review Date: 08/07/2009
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. 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)