Potassium without Creatinine, 24 Hour Urine

Test Code
11316


CPT Codes
84133

Includes
CPT code 81050 may be added at an additional charge for volume measurement


Preferred Specimen
10 mL 24-hour urine collected in a no-preservative plastic leak-proof container


Minimum Volume
2 mL


Other Acceptable Specimens
Urine preserved with boric acid • Urine preserved with acetic acid • Urine preserved with HCl • Urinalysis transport tube (yellow-top, blue fill line, preservative tube)


Instructions
Record total volume and collection duration on specimen container and test requisition


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 60 days


Methodology
Ion Selective Electrode (ISE)

Setup Schedule
Sets up 7 days a week.


Report Available
Reports in 1 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.