Test Code UR24U Urea Nitrogen, 24 Hour, Urine
Methodology
EnzymaticPerforming Laboratory
St. Clair Hospital LaboratorySpecimen Requirements
Submit an entire 24-hour urine collection in a urine container supplied. No preservative. Refrigerate specimen during collection, and send specimen refrigerated.Note: 1. Starting and ending times of collection are required on request form for processing.
2. Follow instructions in “Urine Collection” in “Special Instructions.”