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HelpTest Code BUN BUN
Abbrev
BUN
Storage Temperature
R (2-8ºC)
ASTM/HL7/SDF 1
SQ=BUN
EPIC=LAB2034
Instrument/Location
Beckman DXC 700 AU
Specimen Requirements
Specimen
Type: Serum or Plasma (Lithium Heparin)
Container/Tube
Type: Gold Top or Lt. Green Top.
Collection
Instructions: Draw tube and label appropriately.
Allow Gold top tubes to clot for 30 minutes. Spin tubes within
2
hours.
Note: Hemolyzed Specimens
are
not acceptable.
Specimen Transport Temperature
Spun tube/Refrigerated
Reference Values
7-25 mg/dl
Critical Values: >100 mg/dl
Methodology
Enzymatic Rate
Specimen stability/Retention time
7 days refrigerated