Home
HelpTest Code VITB12 Vitamin B12, Serum or Plasma
Additional Codes
Compendium Code (Iatric): L303.0650
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Competitive Binding Chemiluminescent Immunoassay
Specimen Requirements
Serum, EDTA plasma and heparinized plasma are the recommended sample types.
Spin down and send 1 mL of serum/plasma refrigerated at 2–8°up to 48 hours
Freeze samples at ≤ -20°C for longer storage in plastic vial.
Avoid excessive exposure to direct light.
Unspun specimens must be transported at ambient temperature and arrive to the laboratory within one hour of draw.
Reference Values
211-911 pg/mL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
CPT: 82607
LOINC: 2132-9
Additional Information
Specimen Stability:
Specimen can be refrigerated at 2° C to 8° C for up to 48 hours. Specimen is stable when frozen at -20° C for 6 to 8 weeks.