COVID-19 Antibody (IgG) Serology Test - Now Available - Buy Online and Get Tested!



Immunoglobulin A (IgA)

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Immunoglobulin A - increased IgA is associated with monoclonal IgA myeloma, respiratory and gastrointestinal infections, and malabsorption; decreased IgA is found in selective IgA deficiency and in ataxia telangiectasia.