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IGG SYNTHESIS RATE

Test Number:
  • 437
Test Alias:
Preferred Specimen:
  • CSF AND Serum
Container Type:
  • CSF: Plastic & leak-proof
  • Serum: Plastic vial
Alternative Specimen:
Volume:
  • 2 mL CSF, 1 mL serum
Collection Instructions:
  • It is preferred that the collection date and time be the same for both CSF and serum; however, it is acceptable for them to be drawn within 48 hours of each other. CSF must be crystalline and clear. (CSF collection tube #4 preferred).
Transport Temperature:
  • Refrigerated (cold packs)
Specimen Stability:
  • ROOM TEMPERATURE: 8 HOURS
  • REFRIGERATED: 7 DAYS
  • FROZEN: 3 MONTHS
Methodology:
  • Fixed Rate Time Nephelometry
CPT Code:
  • 82040
  • 82042
  • 82784 (x2)
Reject Criteria:
  • Received room temperature • Hemolysis
Reference Range:
Report Available:
  • 2 days

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