Blood Urea Nitrogen, Plasma (BUN)
Additional Codes
Epic# -
LAB140
Cerner name(s):
- Urea Nitrogen (BUN)
- BUN
Performing Lab(s)
Memorial-Belleville & Memorial-Shiloh
Specimen Requirement (s)
Specimen Type: plasma (preferred) or serum
Container/Tube: mint green LiHep tube (preferred), lavender (EDTA), red top or SST (yellow or marble)
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL
Collection Instructions: NA
Unacceptable Conditions
Avoid hemolysis.
Day(s)/Shift(s) Test Set Up and Turnaround Time
Sunday through Saturday
Hours: 24 Hours
Turnaround Time:
STAT: 60 minutes
Routine: less than 8 hours from receipt.
Transport and Stability
Transport temperature: Ambient to lab
Analyte Stability:
Ambient: NA
Refrigerated: 72 hours
Frozen: NA
Reference Values
BUN
6 - 25- mg/dL
CPT/LOINC Codes
84520