CPT Code:
82543
Availability:
Monday - Friday, 0800 - 1700.
Turnaround Time:
2 - 3 days.
Minimum Volume:
0.5 mL (at least 1.0 mL preferred).
Specimen Handling:
Centrifuge and separate from cells within 1 hour of drawing. Freeze serum or plasma.
Interpretive Reference Range:
Normal < 105 ng/mL.
Use:
Diagnosis and treatment of methylmalonic acidemias.
Methodology:
Stable isotope dilution gas chromatography-mass spectrometry (GC/MS).