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Test Code SQ UUREA, EPIC LAB748 Urea Nitrogen, Random, Urine


Kinetic with Urease and Glutamate Dehydrogenase

Performing Laboratory

Meriter Laboratories

Specimen Requirements

Specimen Type: Urine, random collection
Container/Tube: Plastic urine container

Specimen Volume: 5 mL

Specimen Transport Temperature


Reference Values

First-morning void: 900-3,000 mg/dL

No established reference values for other void times.

Day(s) Test Set Up

Monday through Sunday

Analytical Time


1 hour


4 hours

Test Classification and CPT Coding


Specimen Requirements Additional Information

Specimen Stability:

Urine is stable at ambient temperature (15o C-25o C) for 2 days, refrigerated (2o C-8o C) for 7 days, and frozen (≤-15o C) for 1 month.