Methylmalonic Acid, Serum/Plasma Test (7670SP)

Methylmalonic Acid, Serum/Plasma Test (7670SP)

Analysis Code 7670SP 
Test Name Methylmalonic Acid, Serum/Plasma 
Test Includes Methylmalonic Acid 
Compound Synonym(s) 1,1-Ethanedicarboxylic Acid; 2-Methylpropanedioic Acid; Isosuccinic Acid; MMA; Methylmalonate 
Purpose Diagnostic for vitamin B12 deficiency; This test is New York State approved. 
Category Metabolic Marker 
Method(s) High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS) 
Specimen Requirements 2 mL Serum or Plasma 
Transport Temperature Frozen 
Specimen Container Plastic container (preservative-free) 
Special Handling 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 Not Required 
Stability Room Temperature: Not Stable
Refrigerated: 4 day(s)
Frozen (-20 °C): 36 month(s) 
*Rejection Criteria 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 83921 
**Minimum Volume 0.7 mL 
Test Summary Sheet Generate  

You are viewing Methylmalonic Acid, Serum/Plasma Test (7670SP)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.


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