VITAMIN B12
Test Code: LAB2466
CPT Code: 82607
Synonyms
B-12; Vitamin B12; B12; Cobalamin
Specimen Type
Serum
Alternate Specimen Type
EDTA or Heparinized Plasma may be used.
Specimen Container
SST (1mL)
Volume
1.0 mL
Minimum Collection Volume
0.5 mL
Specimen Handling
Centrifuge to remove serum from cells.
Collection Procedure
Vitamin B12 is LIGHT SENSITIVE. Minimize exposure to light during sample handling and storage.
Temperature
Ambient 8 hrs, Refrigerated 2 days
Methodology
Chemiluminescent
Stability
Room Temperature: 8 hours; Refrigerated: 2 days; Frozen : 2 months
Units
pg/mL
Schedule
As Requested
Turn Around Time
1 day
Place of Service
Swedish/Edmonds Laboratory
Department
Chemistry
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