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Potassium, 24 Hour Urine

Message
Test performed at York Hospital Laboratory.


Test Code
UPOT24H


CPT Codes
84133

Preferred Specimen
5 mL aliquot of a well mixed 24-hour urine, submitted in a plastic leakproof container


Transport Temperature
Refrigerated


Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 6 months


Methodology
Potentiometric

Setup Schedule
Daily


Report Available
Next day


Reference Range
25.0-125.0 mmol/day


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.




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.