Sign in →

Test Code LAB748 Urea Nitrogen, Urine, 24 Hour

Methodology

Photometric/Urease

Performing Laboratory

RCH

Specimen Requirements

Specimen must arrive within 96 hours of collection.

 

10 mL from a 24-hour urine collection in a plastic urine container. No preservative. Send specimen refrigerated.

Note:  1. 24-Hour volume is required on request form for processing.

           2. Follow instructions in “Urine Collection” in “Special Instructions.”

 

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

84540

Special Instructions