Potassium, 24-Hour Urine with Creatinine

Test Code
734


CPT Codes
82570, 84133<br><strong>This test is not available for New York patient testing.</strong>

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


Preferred Specimen
10 mL urine aliquot from a 24-hour collection - no preservative


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 transport container and test requisition


Transport Container
Plastic urine container


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days


Methodology
Ion Selective Electrode (ISE)

Setup Schedule
Set up: Daily; Report available: 2 days


Reference Range
See Laboratory Report


Clinical Significance
Assessment of hydration status and overall electrolyte balance.


Performing Laboratory
MED FUSION
2501 South State Hwy 121, Suite 1100
Lewisville, TX 75067-8188




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.