Urea Nitrogen, 24-Hour Urine

Urea Nitrogen Urine Test, 24-Hour

A Urea Nitrogen Urine Test is a renal function test to help diagnose certain renal and metabolic diseases. A coarse nitrogen-wasting test on patients on hyperalimentation; indicates nitrogen balance in hyperalimentation; rules out the tap of the urinary bladder in amniocentesis, and paracentesis.