What does a urine potassium level higher than 40 mEq/L indicate in a patient with hypokalemia (low potassium level)?

Updated: Dec 06, 2018
  • Author: Eleanor Lederer, MD, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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If the urine potassium level is higher than 40 mEq/L, examine the patient's medication list and question the patient regarding the use of diuretics.

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