urine potassium test

urine potassium (K+) test

a 24-hour urine test that detects the urine concentration of potassium, the major cation within cells. Abnormal findings are associated with chronic and acute renal failure, Cushing's syndrome, hyperaldosteronism, alkalosis, diuretic therapy, dehydration, Addison's disease, malnutrition, and malabsorption, among other conditions.
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