BUN (Blood Urea Nitrogen)

Mint Green Plasma Separator Tube

Tube Type

Test ID LAB140
CPT Code(s) 84520
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station Routine 30; STAT 888
Specimen Routine: 1 mL blood/Li Heparin plasma separator tube / Also acceptable serum (Gold SST / Red Top Tube)
Micro: 200 µL blood/mint green top bullet/gold top/red top
Stability Unspun: <6 hours
Room Temp:
3 days
7 days
Frozen: 30 days
Availability 24 hours/day
Turnaround Time STAT 1 hr., Routine 2 hrs.
Reference Range Normal: 9-23 mg/dL
Comments Reference ranges effective 7/13/2021

Reviewed by Christopher Parker on December 04, 2021

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514