Chloride (Cl)

What To Think About

  • The results from a blood or urine chloride test do not provide enough information to diagnose a specific disease or problem. Your doctor will talk with you about how your results may be caused by your symptoms or medical history.
  • Potassium chloride (found in salt substitutes) can lower your blood chloride levels but raise your urine chloride levels.
  • Tests for sodium, potassium, and bicarbonate usually are done at the same time as a blood test for chloride. For more information, see the medical tests Sodium (Na) in Blood, Potassium (K) in Blood, and Bicarbonate.
  • The skin sweat test for chloride is used to test for cystic fibrosis. For more information, see the medical test Sweat Test.

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Author: Maria G. Essig, MS, ELS Last Updated: April 17, 2008
Medical Review: Kathleen Romito, MD - Family Medicine
Brian D. O'Brien, MD - Internal Medicine

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Topic Contents
 Test Overview
 Why It Is Done
 How To Prepare
 How It Is Done
 How It Feels
 Risks
 Results
 What Affects the Test
Arrow PointerWhat To Think About
 References
 Credits