Test directory: Urea Nitrogen, Urine

Ordering Code824
Test NameUrea Nitrogen, Urine
Alias24 Hour Urine Urea Nitrogen
Random Urine Urea Nitrogen
Preferred SpecimenUrine, 24 Hour
Preferred Container24 Hour Urine Container
Other Specimen/ContainerRandom Urine in Clean Container
Optimum Volume0.5 mL
Collection InstructionsKeep refrigerated during collection
Record entire 24 Hr Vol on container & requisition
No preservatives added.
Handling InstructionsSend a well-mixed, 50 mL aliquot of specimen.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityAmbient: 2 Days
Refrigerated: 7 Days
Frozen: 4 Weeks
Frozen samples should be thawed only once.
Rejection CriteriaPreservatives used, Specimen older than stability limits,
Received ambient
Avail. StatNO
Analytic Time1 Day

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
24-Hr Urine Urea NitrogenALL12-2012-20gm/24hr
VolumeALLmLSee report.
Total TimeALLminutesSee report.
Urine Urea NitrogenALLmg/dLSee report.