Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
RESULT
Test Name : Methylmalonic Acid, Serum Order Code : MMAS
Synonyms: MMA
Specimen Type: Plasma/Serum
Container Type: Red-top tube (Plain) no additive, SST Gold-top gel tube, Green-top tube (Sodium Heparin), or Mint-top gel tube (Lithium heparin)
Required Volume: 0.5 mL
Minimum Volume (Pediatric): 0.2 mL
Methodology: Stable Isotope Dilution, Tandem Mass Spectrometry
Components: Methylmalonic Acid
Standard Run Times: Batched twice a week
Turnaround Time: 7 days
Special Handling: Separate plasma from cells ASAP and freeze plasma immediately. If submitting serum, separate serum from cells as soon as clotted and freeze immediately. Store and transport frozen. Critical Frozen.
CPT Codes: 83921
LPCH EPIC Code: LAB835
SHC EPIC Code: LABMMAS
Department: Biochemical Genetics