Days Set Up
Daily
Analytic Time

8 hours

MiChart Code
Potassium, 24 HR Urine
Soft Order Code
POTQ

Test Updated:

Synonyms
 
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Test Overview

Test Methodology

Potentiometric (ISE)

Test Usage

Renal function test useful in disorders of aldosterone secretion. Evaluation of electrolyte balance.

Reference Range

26 - 123 mEq/24 hrs (26-123 mMol/24 hrs). Random urine collections are reported in units of mmol/L, for which reference values are not established.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect 24 hour urine specimen with no preservative. Aliquot 10 ml into a plastic urine container and refrigerate. Record total 24 hour urine volume and collection dates/times on request form. Random urine also acceptable.

Normal Volume
5 mL aliquot of 24 hour urine collection or 2 mL aliquot of random urine collection.
Minimum Volume
2 mL aliquot of 24 hour urine collection or 1 mL aliquot of random urine collection.

Billing Information

CPT Code
84133
Pro Fee Code
 
LOINC
POTU 2828-2 POTQ 2829-0

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

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