Urinary potassium may be INCREASED with primary or secondary aldosteronism, glucocorticoids, alkalosis, renal tubular acidosis, or excess potassium intake. Potassium DECREASES with acute renal failure, potassium-sparing diuretics, diarrhea, hypokalemia, and is also associated with Addison’s disease. See Potassium, Serum
State 24 Hrs urine volume. Maintain sample at room temperature. Avoid additives.