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METHYLMALONIC ACID SERUM OR PLASMA

Test Number:
  • 0099431
Test Alias:
  • VIT B12
  • MMA
Preferred Specimen:
  • SERUM
Container Type:
  • SST OR ROYAL BLUE TOP
Alternative Specimen:
  • Plasma collected in: Sodium heparin (green-top) or sodium heparin (royal-blue-top) tube
Volume:
  • MINIMUM 2 ML, PREFERRED 3 ML
Collection Instructions:
Transport Temperature:
  • REFRIDGERATED
Specimen Stability:
  • Room temperature: 4 days
  • Refrigerated: 7 days
  • Frozen: 10 months
Methodology:
  • Mass Spectrometry (MS)
CPT Code:
  • 83921
Reject Criteria:
Reference Range:
  • 87-318 nmol/L
Report Available:
  • 4 DAYS

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