Methylmalonic Acid

Methodology: 
Liquid chromatography tandem mass spectrometry (LC-MS/MS)
Performed: 
As needed
Use: 
Evaluation of cobalamin (vitamin B12) deficiency
Specimen Requirements: 
Collect 2 mL blood in a red-top serology tube. Centrifuge the blood and remove serum from cells within two hours of collection.
Interpretation Data: 
Reference range, < 0.40 µM
CPT Code (s): 
83921
Notes: 

UFHPL Test #: 40055

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