Methylmalonic Acid (MMA) is useful to diagnose and monitor Vitamin B12 (cobalamin) deficiency and to diagnose and monitor patients with methylmalonic acidemia.
Methodology: Gas Chromatography Mass Spectrometry (GCMS)
1 red-top tube (minimum: 0.6 mL of serum). Centrifuge red-top soon after clotting. Refrigerate specimen after collection.
NOTE: Lavender-top (EDTA) tube or SST (serum) is also acceptable.
Analytical Time: 3 days
Days Set Up: Monday through Friday