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Potassium 24-Hour Urine Test

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$37.00

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Evaluate electrolyte balance, acid-base balance; evaluate hypokalemia

Test #003186

Potassium 24-Hour Urine Test

Additional Info

Preparation If the specimen is a 24-hour collection instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on se
Test Type Urine
Test Results

Details

Carroll and Oh point out that urinary loss of 40 mmol/24 hours in the presence of hypokalemia <3 mmol/L is excessive.1 In the presence of such hypokalemia, urine excretion is helpful to separate renal from nonrenal losses. Excretion <20 mmol/24 hours is evidence that hypokalemia is not from renal loss.1 Renal loss >50 mmol/L in a hypokalemic, hypertensive patient not on a diuretic may indicate primary or secondary aldosteronism. The kidneys do not respond quickly to potassium deprivation. There is renal wastage of potassium in secondary aldosteronism. Glucocorticoids, including endogenous steroids in Cushing's syndrome, are among the causes of kaliuresis.

Additional Info

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Quick Overview

Evaluate electrolyte balance, acid-base balance; evaluate hypokalemia

Preparation If the specimen is a 24-hour collection instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Screw the lid on se
Test Type Urine
Test Results No
Retail Price $45.00
Meta Keywords No
Meta Description No