Test Code VITAMINB12 Vitamin B-12

Important Note

Indeterminate Range: 145-179 pg/mL

Deficient: <145 pg/mL

Infectious

MEDITECH MNEMONIC:

VITAMINB12

Preferred Specimen:

1mL Lithium Heparin Plasma

Acceptable Specimen:

1mL Serum from a gel or non-gel tube

Minimum Volume:

0.5mL Plasma or Serum (volume does not include repeat or reflexed testing)

Transport Container:

Transport Tube

Preferred Transport Temperature:

Frozen

Specimen Stability (after centrifugation):

Ambient: 8 hours

Refrigerated: <2 days

Frozen: >2 days

Setup Schedule:

SUN-SAT

Willis Knighton Medical Center

Willis Knighton Bossier

Willis Knighton Pierremont

Willis Knighton South