Specimen Requirements
Title
Methylmalonic Acid, Serum
Specimen Requirement
Collect SST/2.0 mL serum, allow to clot for 30 minutes, promptly centrifuge and send.
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Stability
Room temp: 14 days, Refrigerated: 14 days, Frozen: 19 days
Reference Range
The reference range is determined by the performing laboratory and will show on the report.
Turnaround
3-6 days
Clinical Use
Serum methylmalonic acid (MMA) measurement is used to evaluate individuals with signs and symptoms associated with vitamin B12 deficiency or congenital methylmalonic academia.
Test Code
MMA/A