Submit an entire 24-hour urine collection in a urine container supplied by Meadville Medical Center Laboratory. Refrigerate specimen during and after collection. No preservative is needed.
NOTE: See “Urine Collection” located in “Specimen Collection & Preparation” section for timed collection instructions. Also refer to “Patient Information” section in back of manual for patient handout explaining collection information for this test.
Analytical Time: 2 days
Days Set Up: Monday through Sunday
84540 – urea nitrogen