BLOOD UREA NITROGEN
Name: BLOOD UREA NITROGEN
Mnemonic: BUN
Container: Serum Separator, Plasma Separator
Methodology: Enzymatic
Reported: Routine 4 hr, STAT 1hr
CPT: 84520
Preferred Volume: 1.0 ml serum or heparinized plasma
Minimum Volume: 0.5 ml
Stability: 7 days at room temperature or refrigerated; 1 year frozen
Performed: Daily
Units: mg/dl
Reference Range: SEE FOOTNOTE: