BUN
Alternate Names
Blood Urea Nitrogen
SoftLab Order Code
BUN
Epic Order Name
BUN
Epic Order ID
LAB140
Laboratory
All Sites
Sample Type
Serum
Collection Container
RST (Orange top - Rapid Serum Tube)
Alternative Collection Container
SST -(Gold top Serum Separator tube)
Red/Black Speckle top (Serum tube)
Collecting Volume
1.0 mL
Minimum Collecting Volume
One full gold microtainer - pediatric volume
Storage or Stability
Refrigerated 4 days
Causes for Rejection
QNS, hemolysis, lipemia, icterus, red cells not separated within 2 hours of collection.
CPT Codes
84520