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HelpTest Code LAB835 Methylmalonic Acid, Quantitative, Serum
Useful For
Evaluating children with signs and symptoms of methylmalonic acidemia using serum specimens
Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency
Specimen Type/Requirements
Gold top (serum w/gel) tube – Serum (Preferred)
Red top (serum w/out gel) tube – Serum (Acceptable)
Centrifuge and aliquot serum into a plastic vial.
Stability/Transport
| Room Temperature | 5 days | |
|---|---|---|
| Refrigerated | 4 weeks | Preferred for transport |
| Frozen | 4 weeks & up to 4 freeze/thaw cycles |
Analytical Time
3 - 5 days
Methodology
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Performing Lab
Sanford Laboratories Sioux Falls
Specimen Volume
| Preferred Volume | 1.0 mL |
|---|---|
| Minimum Volume | 0.5 mL |
Performed Test Frequency
Monday, Wednesday, Friday
CPT
83921
Additional Information
This test was developed and its performance characteristics determined by Sanford Laboratories in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.