Potassium, Urine

Message

For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Test Code

UKR

Alias/See Also

70291

CPT Codes
84133

Preferred Specimen

Fresh urine

Minimum Volume

1 mL

Instructions

Obtain specimen in urine collection cup and transfer 2 mL to a screw-top transport tube.

Transport Container

Screw-top plastic transport tube

Transport Temperature

Refrigerated

Specimen Stability

Room Temperature = 5 days
Refrigerated = 5 days
Frozen = n/a

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.

Methodology
ion specific electrode

Setup Schedule

24/7
AU

Report Available

daily

Clinical Significance

Urinary excretion of potassium is increased in primary aldosteronism. It is often increased in dehydration and in salicylate toxicity. Decreased levels are seen in malabsorption.

Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439

Last Updated: November 23, 2021

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.