Methylmalonic Acid, Serum or Plasma (Vitamin B12 Status)
0099431
Ordering Recommendation
Submit With Order
Mnemonic
MMA QNT-P
Methodology
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Plain red or serum separator tube. Also acceptable: Green (sodium heparin), lavender (EDTA), or pink (K2EDTA).  
Specimen Preparation
Centrifuge and remove serum or plasma from cells within 2 hours of collection. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube and refrigerate or freeze immediately. (Min: 1 mL)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
Room temperature specimens. Grossly hemolyzed or lipemic specimens.  
Remarks
 
Stability
After separation from cells: Ambient: Unacceptable; Refrigerated: 4 days; Frozen: 1 month  
Reference Interval
0.00-0.40 µmol/L
Interpretive Data


See Compliance Statement B: www.aruplab.com/CS
Note
CPT Code(s)
83921
Components
Component Test Code*Component Chart Name
0099431MMA Serum/Plasma, Vitamin B12 Status
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Cross References
  • Cobalamin Deficiency (Methylmalonic Acid, Serum or Plasma (Vitamin B12 Deficiency)
  • Methylmalonate (Methylmalonic Acid, Serum or Plasma (Vitamin B12 Deficiency)
  • MMA (Methylmalonic Acid, Serum or Plasma (Vitamin B12 Deficiency))
  • Vitamin B12 Deficiency (Methylmalonic Acid, Serum or Plasma (Vitamin B12 Deficiency))