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Potassium (K) in Urine

What Affects the Test

Reasons you may not be able to have the test or why the results may not be helpful include:

What To Think About

  • Potassium levels can also be checked in a blood test. To learn more, see the topic Potassium (K) in Blood.
  • Doctors may look at urine potassium and blood potassium levels to see whether conditions or medicines may be causing fluid or electrolyte imbalances. Urine potassium levels are often high when blood levels are low or low when blood levels are high. Urine potassium levels are affected by medicines and hormones.

Citations

  1. Fischbach FT, Dunning MB III, eds. (2009). Manual of Laboratory and Diagnostic Tests, 8th ed. Philadelphia: Lippincott Williams and Wilkins.

Other Works Consulted

  • Chernecky CC, Berger BJ (2008). Laboratory Tests and Diagnostic Procedures, 5th ed. St. Louis: Saunders.

  • Fischbach FT, Dunning MB III, eds. (2009). Manual of Laboratory and Diagnostic Tests, 8th ed. Philadelphia: Lippincott Williams and Wilkins.

  • Pagana KD, Pagana TJ (2010). Mosby’s Manual of Diagnostic and Laboratory Tests, 4th ed. St. Louis: Mosby Elsevier.

By Healthwise Staff
Primary Medical Reviewer Adam Husney, MD - Family Medicine
Specialist Medical Reviewer Avery L. Seifert, MD - Urology
Current as of September 4, 2012
1 | 2 | 3

WebMD Medical Reference from Healthwise

Last Updated: September 04, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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