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HelpTest Code LAB11295 Methylmalonic Acid
Department
SEND OUTS
Reference Lab Test Number
MMA01
Refer To
Primary Collection Container
Gold (SST)
Transport
Serum frozen
Preferred Transport Temperature
Frozen
Processing
Centrifuge, separate and send 1.0 mL in a screw-capped plastic vial.
Stability
Ambient: Unacceptable
Refrigerated: 4 days
Frozen: 14 days
Minimum Testing Volume
0.5 mL
Reference Range
<0.4 umol/L
Methodology
Liquid Chromatography/Tandem Mass Spectrometry
Performed
Monday, Wednesday – Friday
Reported
3- 5 days
CPT Codes
83921
Unacceptable Conditions
Hemolyzed or lipemic specimens.