Preferred Specimen(s) 1.0 mL Serum
Instruction Overnight fasting is preferred.
Transport Container Plastic Screw cap vial
Transport Temperature
- Ambient 7 days,
- Refrigerated 14 days
Reject Criteria
- Gross hemolysis,
- lipemic
Methodology Nephelometry
Clinical Significance IgM is useful in diagnosing and monitoring patients with Waldenstrom’s macroglobinemia and other gammopathies