Test Name
VITAMIN B12
Aliases
COBALAMIN, CYANOCOBALAMIN
Abbreviations
B12
Test Classification
INDIVIDUAL
Department
SPECIAL CHEMISTRY
Sub Department
-
TAT Category
BUSINESS (WORKING) TIME
Estimated TAT
3
TAT Units
HOURS
Test Requirements
Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour.
SHIPPING/ TRANSPORTATION REQUIREMENTS
Shipping Temperature: Refrigerated
ANALYTE STABILITY
Room Temperature: 1 DAY at 20-25°C │ Refrigerated: 7 DAYS at 2-8°C │ Frozen: 3 MONTHS at -20°C
Clinical Utility
In megaloblastic anemia, partial/ total gastrectomy, pernicious anemia, peripheral neuropathies, chronic alcoholism, dementia.
Last Review
26th Feb 2026