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Test ID NBLD0163 Urea Nitrogen, Urine

AKA

BUN, Urine

Specimen Type/Requirements

Plain container, no preservative

Specimen Volume

Preferred Volume 5.0 mL urine
Minimum Volume

100 µL urine

 

Stability/Transport

Room Temperature 2 days  
Refrigerated 7 days Preferred for Transport
Frozen 1 month  

 

Performed Test Frequency

Monday-Sunday

Methodology

Enzymatic

CPT

84540

Performing Lab

Sanford Laboratories Fargo-Core Lab