Urea Nitrogen (BUN), Blood Urea Nitrogen
Separate samples as soon as possible
Separated Samples are stable at Room temperature for 1 day at 25˚C or less, Refrigerated several days at 2-8˚C, and 6 months when frozen at 0˚C or less.
Rejection Criteria / Special Instructions:
Lipemia will interfere with this assay. Gross hemolysis and Gross Icterus, and improperly labeled specimens.
Beckman AU 480