Symptoms of Immunoglobulin IgG Subclass 4 Test Immunoglobulin G (IgG) subclasses play a crucial role in the body’s immune system, with each subclass having a unique function in response to different pathogens. Among these, the Immunoglobulin G Subclass 4 (IgG4) is known for its association with a range of autoimmune and inflammatory conditions. Understanding the […]











