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Test ID NBLD0184 Urea Nitrogen, Quant, 24 HR Urine

AKA

BUN, Urine

Specimen Type/Requirements

Plain container, no preservative


24hr collection: Refrigerate during collection, no preservative, record total volume, mix well before aliquoting. If more than on urine container is collected, use proportional quantities from each well mixed container for the aliquot.

Specimen Volume

Preferred Volume 5.0 mL urine
Minimum Volume 1.0 mL 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