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HelpTest Code LAB835 Methylmalonic Acid, Serum/Plasma
Clinical System Name
Methylmalonic acid quant, serum
Synonyms
MMA
MMA quant, serum
Sample Requirements
Specimen: Whole Blood
Container(s): Gold SST, Red, Dark Green/Sodium Heparin, Lt. Green/Lithium Heparin, Lavender/EDTA
Preferred Vol: 1 mL
Minimum Vol: 0.5 mL
Processing Instructions
Reject due to:
Spin:Y
Aliquot:Y
Temp:-20 C
Storage location: -20 C BCG Box
Off-site collection: Spin and freeze plasma/serum and ship frozen
Stability
| Temperature | Time |
|---|---|
| Room temp | 2 hr |
| Refrigerated | 1 mo |
| Frozen (Plasma/Serum only) | 1 yr |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | T | 5-7 days |
Contact the Biochemical Genetics Lab for requests outside of stated availability (206)987-2216.
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Biochemical Genetics
Phone Number: 206-987-2216
CPT Codes
83921
Methodology
Method: Liquid chromotography, Tandem Mass spectrometry (LC/MS/MS)
Analytical Volume: 0.1 mL serum/plasma
Limitations:
Reference Range
≤0.40 nmol/mL