Aureobasidium pullulans (m12) IgE - This test measures the body's immune response to Aureobasidium pullulans, a type of fungus, by checking for specific IgE antibodies in the serum. It's useful for identifying allergic reactions to this common environmental mold. By understanding your IgE levels to Aureobasidium pullulans, healthcare providers can better diagnose and manage potential mold allergies.