Test Code LAB140 BLOOD UREA NITROGEN
Additional Codes
Internal: 10445
External: BUN
Beaker: LAB140
PERFORMED AT
SBH LABORATORY
SRH LABORATORY
SMH LABORATORY
SPH LABORATORY
HDH LABORATORY
Specimen Requirements
Container Type: Lithium Heparin (Green Top) or Serum Separator (Gold Top)
Specimen Type: Plasma or Serum
Preferred Volume: 1 mL
Emergency Minimum Volume: 0.3 mL
Specimen Processing: Separate serum or plasma from cells as soon as possible by centrifugation. Store and transport refrigerated.
Alternate Specimens: Plain Serum Tube (Red Top), EDTA Plasma (Lavender Top)
Stability:
Temperature | Time |
---|---|
Room Temp | 7 days |
Refrigerated | 7 days |
Frozen (-20 øC) | 1 year |
Method
Enzymatic
Synonyms
Urea Nitrogen, Blood Urea Nitrogen, BUN
CPT Codes
84520
Department
Chemistry
Test Schedule
Daily & STAT
Reference Lab
SCHS