Immunoglobulin A (IgA), Serum

Immunoglobulin A (IgA), Serum

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.

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