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Immunoglobulin G (IgG) Subclasses 1, 2, 3, and 4, Serum

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Immunoglobulin G (IgG) Subclasses 1, 2, 3, and 4, Serum

Accredited Facility E-report Qualified Specialists

This test measures the four subclasses of immunoglobulin G (IgG1, IgG2, IgG3, and IgG4). It helps evaluate immune system disorders, recurrent infections, antibody deficiencies, and abnormal immune responses.

  • If recurrent infections occur.
  • During evaluation of suspected immune deficiency.
  • When abnormal immune function is suspected.
  • During investigation of chronic respiratory or sinus infections.
  • As recommended by an immunology specialist.
  • No fasting is usually required.
  • A blood sample will be collected from a vein.
  • Inform the healthcare provider about immune-related conditions or medications.
  • Share previous immunoglobulin or immune function test results if applicable.
  • Follow all laboratory instructions before sample collection.
    • Immunoglobulin G (IgG) Subclasses 1, 2, 3, and 4, Serum
    No labs currently offering this test.