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HelpCatalog ID UR Urea Urea Nitrogen, Urine
CPOE Test Name
Urine Urea Nitrogen; Urine 24 Hour Urea Nitrogen; Urine Urea Timed-Not 24 Hour
Synonyms
UR Urea; U24 Urea; UT Urea
Specimen Type
Urine
Specimen Requirements
Random: Clear Top Urine Tube; 8 mL urine
24 hour collection or timed urine specimen: Collection jug
Causes for Rejection
Wrong preservative; improper labeling; no start/stop times recorded; insufficient quantity
Reference Values
7.0 – 16.0 g/24 hours
Performing Lab
Core Laboratory, AD3301 721-2120
Turn Around Time
Urgent/Emergent 1 hour; Routine daily
CPT / HCPCS Code
84540