Methylmalonic Acid, Serum or Plasma
Test Code: 706961
Performing Lab: LabCorp
CPT Code: 83921 001
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Specimen Type
Serum OR plasma
Specimen Container
Red-top tube, gel-barrier tube OR green-top (heparin) tube
Volume
2 mL
Minimum Volume
0.6 mL (Note:This volume does NOT allow for repeat testing).
Specimen Handling
Separate serum or plasma from cells within one hour of collection.
Unacceptable Conditions
Plasma from a light blue-top or yellow-top tube; citrate interferes with assay
Temperature
Refrigerate
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Stability
Room Temperature: 14 days
Refrigerated: 14 days
Frozen: 19 days
Result Code
Result Name
LOINC
706797
Methylmalonic Acid, Serum
13964-2
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