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HelpTest Code LAB10111 Urea Nitrogen - Urine
Department
CHEMISTRY
Primary Collection Container
Yellow Urine Vacutainer (No Additive)
Alternate Collection Container
Sterile Container
Transport
Refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Keep specimen refrigerated until processing.
Centrifuge and refrigerate.
Stability
Ambient: 8 hours
Refrigerated: 1 week
Frozen: Unacceptable
Minimum Testing Volume
0.5 mL
Reference Range
Not established
Methodology
Roche c503 Kinetic test with urease and glutamate dehydrogenase.
Performed
Sunday – Saturday
Reported
As completed
CPT Codes
84540