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Methylmalonic Acid, Serum or Plasma (Vitamin B12 Deficiency)

Mnemonic:    [MMA]
Name:    Methylmalonic Acid, Serum or Plasma (Vitamin B12 Deficiency)
Specimen:    2 mL serum from a Red SST or Red top tube. or 2 mL plasma (EDTA, heparin, sodium fluoride potassium oxalate, or citrate).

Centrifuge the sample and remove serum/plasma from cells within 2 hours of collection.

Unacceptable Conditions: Room temperature specimens. Grossly hemolyzed or lipemic specimens.
Minimum Spec:    0.6 mL
Transport Temp:    FREEZE
Spec Stability:    Stable 4 days refrigerated.
Ref Lab/Code:    ARUP 0099431
Processing Info:    Separate specimens must be submitted when multiple tests are ordered.