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Urea Nitrogen, 24 Hour Urine

Test Code
U24UN


CPT Codes
84540

Preferred Specimen
24 hr Urine


Minimum Volume
2 mL


Transport Container
24 hr Urine


Transport Temperature
Refrigerated


Performing Laboratory
This test is performed at the following locations:
  1. MercyOne Siouxland Medical Laboratory



Last Updated: September 13, 2022


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.