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: