Urea Nitrogen, Urine (24 Hr)

Methodology: Kinetic

Specimen Requirements:
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

CPT Information:
84540 – urea nitrogen