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BUN
BLOOD UREA NITROGEN (BUN), SERUM

Test Code BUN 
Test BLOOD UREA NITROGEN (BUN), SERUM 
Methodology Spectrophotometry (SP) 
Specimen Draw blood in either a plain, red-top tube or serum gel tube. (HEMOLYZED SPECIMEN IS NOT ACCEPTABLE.) Send 1.0 mL (minimum volume: 0.3 mL) of serum refrigerated. 
MMC Specimen Draw blood in a plasma gel tube. 1.0 mL (0.3 mL minimum) plasma required. 
Reference Values 6.0 - 19.0 mg/dL 
Analytic Time 1 Day- Available STAT 
Day(s) Test Set Up Monday through Sunday 
CPT Code(s) 84520