Sodium (Na) In Urine: Why It Is Done


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Why It Is Done


A urine test to check sodium levels is done to:

  • Check the water and electrolyte balance of the body.
  • Find the cause of symptoms from low or high levels of sodium.
  • Check the progress of diseases of the kidneys or adrenal glands.


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Last updated: September 18, 2008
Author: Caroline Rea, RN, BS, MS
Reviewed By: E. Gregory Thompson, MD - Internal Medicine, Avery L. Seifert, MD - Urology
Editors: Maria Essig, Tracy Landauer

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