Casandra
Casandra Test Code QD67366Version 1 (DRAFT)
Performing Lab
Methylmalonic Acid
Also known as: MMA
Clinical Use
Order TestUse
Methylmalonic Acid is used clinically to help detect and monitor vitamin B12 deficiency, and to aid diagnosis of methylmalonic acidemia. It may provide diagnostic clarity when B12 levels are equivocal or in patients with neurologic symptoms or anemia.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Methylmalonic Acid
AnalyteMethylmalonic Acid • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
4-5 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
2 mL
Minimum Volume
1 mL
Container
SST
Collection Instructions
Collect one SST and send 3 ml serum separated
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 4 days |
| Refrigerated | 7 days |
| Frozen | 10 months |