Lab

Immunoglobulin A

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Immunoglobulin A, IgA Immunoglobulin, Gamma Globulin A, IgA

  • Normal
  1. Range: 50-350 mg/dl
  2. Varies by age
  • Causes
  • Increased IgA
  1. Lymphoproliferative disorders (e.g. Multiple Myeloma)
  2. Berger's Disease (IgA nephropathy)
  3. Chronic infection
  4. Autoimmune disorders
  5. Liver disease (e.g. Portal Cirrhosis)
  6. Henoch Schonlein Purpura
  • Causes
  • Decreased IgA
  1. IgA Hypogammaglobulinemia
  2. Protein losing Enteropathy
  3. Hereditary Ataxia and telangiectasia
  4. Nephrotic Syndrome
  • References
  1. Bakerman (1984) ABCs of Lab Data, p. 252-3