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Urea Nitrogen, 24-Hour Urine

Test Code
24BU


CPT Codes
81050, 84540

Preferred Specimen
24-hour urine


Instructions
Submit an entire 24-hour urine collection in a urine container supplied. No preservative. Note: 1. Starting and ending times of collection and total volume are required on request form for processing. 2. See "Urine Collection" in "Special Instructions."


Transport Container
24 hour urine container


Transport Temperature
Refrigerate.


Methodology
Enzymatic

Reference Range
12-20 g/24 hours




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.