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What is a urine potassium test?

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This simple test can give your doctor more information about your health when other tests, like blood potassium tests or kidney function tests, show a problem.

Potassium is a type of mineral called an electrolyte that helps your cells and organs work. Your body needs it to digest food, keep your heart beating right, and many other activities. You get most of your potassium from foods. Your body uses what it needs, and your kidneys put the rest into your urine as waste.

From: What is a Urine Potassium Test? WebMD Medical Reference

SOURCES:

American Association for Clinical Chemistry/Lab Tests Online: “Potassium: The Test.”

Medscape: “Potassium,” “Hyperkalemia,” “Hypokalemia.”

UpToDate: “Clinical manifestations of hyperkalemia in adults,” “Clinical manifestations and treatment of hypokalemia in adults.”

National Adrenal Diseases Foundation: “Primary Hyperaldosteronism.”

Reviewed by Melinda Ratini on February 12, 2018

SOURCES:

American Association for Clinical Chemistry/Lab Tests Online: “Potassium: The Test.”

Medscape: “Potassium,” “Hyperkalemia,” “Hypokalemia.”

UpToDate: “Clinical manifestations of hyperkalemia in adults,” “Clinical manifestations and treatment of hypokalemia in adults.”

National Adrenal Diseases Foundation: “Primary Hyperaldosteronism.”

Reviewed by Melinda Ratini on February 12, 2018

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