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Test Code 721 Potassium Urine, Random

Additional Codes

ALAB: KUR

PowerChart: Potassium Random Urine

MA Cerner: Urine Potassium

Test Method

MercyOne: Ion Selective Electrode Method; Beckman DxC700AU

MA: Ion-Selective Electrode (ISE) Method; Roche Cobas 6000

Specimen Requirement

0.5 mL urine is required.

Additional Specimen Collection Information

Collect a random urine specimen. No preservative is required. Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Store the urine specimen refrigerated and transport to the lab within 48 hours.

Performance

Testing is performed Monday through Sunday.

Typically assayed within 2 hours after the specimen arrives at the testing site.

Reference Values

Reference values are not establish for random urine. Results are subject to interpretation by the clinician.

CPT Code Information

84133 Chemistry: Potassium; urine

Useful For

Urine K+ is useful in determining the cause for hyper- or hypokalemia.

LOINC Code Information

2828-2 Potassium [Moles/Volume] In Urine