The Immunoglobulin G Subclasses test measures levels of IgG1, IgG2, IgG3, IgG4, and total IgG. It's instrumental in assessing immune function, particularly in patients with recurrent bacterial infections or allergies. This test aids in identifying specific IgG subclass deficiencies that could contribute to immune dysregulation despite normal total IgG levels.
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On December 11th, join Dr. Terry Wahls in a 
