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Quantitative immunoglobulins - nephelometry



Blood test
Blood test


Quantitative immunoglobulins - nephelometry

Normal Values:

  • IgG: 560 to 1800 mg/dL
  • IgM: 45 to 250 mg/dL
  • IgA: 100 to 400 mg/dL

What abnormal results mean:

Increased levels of IgG may indicate the following:

Decreased levels of IgG may indicate the following: Increased levels of IgM may indicate the following: Decreased levels of IgM may indicate the following:
  • Agammaglobulinemia (very rare)
  • Amyloidosis
  • Leukemia
Increased levels of IgA may indicate the following: Decreased levels of IgA may indicate the following:
  • Agammaglobulinemia (very rare)
  • Protein-losing gastroenteropathy
  • Hereditary IgA deficiency



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