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HelpTest ID BLOD0604 VITAMIN B12
AKA
B12
Specimen Type/Requirements
Lithium heparinized plasma – preferred
Serum
Specimen Volume
1 ml
Performed Test Frequency
Monday-Sunday
Methodology
Chemiluminescence – Competetive
CPT
82607
Container Type
Lithium heparin – preferred
Serum w/ gel
Serum w/o gel
Minimum Volume
0.5 mL
Stability
Room Temp: 3 days
Refrigerated: 7 days
Frozen: 78 days
Transport Temperature
Refrigerated