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HelpTest Code LAB748 Urea Nitrogen, Urine, Random
Specimen Requirement
1.0 mL urine
Refrigerate – no additional preservative is necessary.
Specimen Stability
2 days at 20 - 25° C
7 days at 2-8° C
1 month at -20° C
Testing Schedule
Daily
Reference Range
No established reference ranges.
Testing Department
Chemistry
Method
urease with glutamate dehydrogenase
CPT Code
84540