Test Code B12 Vitamin B12 Level

Specimen Type

Blood

Minimum Volume

1.0 mL

Container

Mint Green-Lithium Heparin
Plasma/Refrigerate

STAT Turnaround Time

45 Minutes

Routine Turnaround Time

4 Hours

Methodology

Chemiluminescent microparticle immunoassay (CMIA)

Reference Range

>200 pg/mL

CPT Code

82607