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 Approximately 1 in 1000 people has IgA deficiency. Individuals with low concentrations of IgA may be asymptomatic or have sino-pulmonary, gastrointestinal (including sprue-like illness), rheumatic, or autoimmune diseases.