B12 (Vitamin B12)

Mint Green Plasma Separator Tube

Tube Type

Test ID   LAB67
EPIC Order
CPT Code(s)   82607
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   30
Specimen Routine: 4 mL blood/Li Heparin plasma separator tube/Mint Green top. Also acceptable serum (Gold SST / Red Top Tube)
  micro: 500 uL ml blood/mint green top bullet/gold top/red top



8 hours
Room temperature: 8 hours
Refrigerator: 48 hours
Frozen: 4 weeks
Availability Routine: 24 hours/day
Turnaround Time   4 hours
Reference Range Normal: 211-911 pg/mL
Comments Hemolyzed specimens rejected. 

Reviewed by jlcarr on December 28, 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