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Test Code UK Potassium Urine, Random LAB434

Performing Laboratory

UnityPoint The Finley Hospital

Test Method

Ion Selective Electrode; Roche cobas Pro

Performance

Testing is performed Monday through Sunday.

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

Specimen Requirement

0.5 mL urine is required.

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.

Useful For

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

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

LOINC Code Information

2828-2 Potassium [Moles/Volume] In Urine