Urea Nitrogen, Urine

Method Name

Colormetric

Aliases

Urea Nitrogen, Urine; 24 Hour Urea Nitrogen; Random Urea Nitrogen, Urea Nitrogen - Random Urine; Urea Nitrogen - 24hr Urine

Specimen Required

urine in a clean, dry container for a random specimen or in a 24 hour urine container for a 24 hour collection

Specimen Minimum Volume

10 mL of urine for random collection

Specimen Stability Information

Keep refrigerated at all times.

Performing Laboratory

Daily. Turn around time is 4 hours.

Reference Values

24 hour specimen: 7 – 20 g/24 hours nRandom urine: See report