Methylmalonic Acid, Serum/Plasma Test (7670SP)
||Methylmalonic Acid, Serum/Plasma
||1,1-Ethanedicarboxylic Acid; 2-Methylpropanedioic Acid; Isosuccinic Acid; MMA; Methylmalonate
||Diagnostic for vitamin B12 deficiency; This test is New York State approved.
||High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS)
||2 mL Serum or Plasma
||Plastic container (preservative-free)
||Serum: Collect sample in Red top tube
Plasma: Collect sample in Lavender top tube (EDTA) or Pink top tube.
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines.
|Light Protection Required
||Room Temperature: Not Stable
Refrigerated: 4 day(s)
Frozen (-20 °C): 36 month(s)
||Received Room Temperature. Received Refrigerated. Polymer gel separation tube (SST or PST).
|Day(s) Test Set-up / TAT
||[LC-MS/MS] Tuesday / 3 days
|Suggested CPT Code
|Test Summary Sheet
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.