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Vitamin B12 and Folate

Mnemonic:    [B12 FOLATE]
Name:    Vitamin B12 and Folate
Specimen:    2 mL serum from a Red SST or Red top tube, or plasma from a Green PST. Protect from light in foil wrapped tube or amber transport vial.

Unprotected specimens exposed to light for more than 4 hours are not acceptable.
Spec Stability:    Stable 5 days refrigerated.
  Method:    Chemiluminescent Immunoassay
Note:    See individual tests for detailed methodology.