|Test||UREA NITROGEN, 24-HOUR URINE|
|Description||Useful in the diagnosis and treatment of certain renal and metabolic diseases.|
|Specimen||10 mL (minimum volume: 1.0 mL) from a 24-hour urine collection in a clean, non-sterile, plastic urine container. No preservative. Refrigerate specimen during collection. Send specimen refrigerated.
|Reference Values||12 - 20 g/24 hours|
|Analytic Time||1 Day|
|Day(s) Test Set Up||Monday through Sunday|