Urea Nitrogen, Urine, 24 Hour
Test Code
UUN24
Description
Collect
24 hour urine
Pediatric Collection
Minimum volume: 0.5 mL of urine from a well mixed 24 hour urine collection in a labeled polypropylene or similar plastic tube.
Storage Transport Temp
Offsite: Frozen. Send urine aliquot Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
Analyze Immediately at RT (15-25°C)
48 hours refrigerated at 2-8°C
Notes
24 hour urine sample is the only acceptable sample type.
Performed
Monday - Friday
Methodology
Enzymatic Rate
Turnaround Time
4 hours
Department
Core Lab
Synonyms
UUN24
Reference Interval
Female: 6-17 g/24 hours
Male: 6-17 g/24 hours
CPT Code
84560