Test Details: Allergy, Individual Marker, Aspergillus Fumigatus is a blood test done to detect Immunoglobulin E (IgE) levels for allergies specific to the fungus Aspergillus fumigatus. Also known as the Aspergillus fumigatus IgE antibodies test, this is widely used in the diagnosis of allergic bronchopulmonary aspergillosis (ABPA), asthma with fungal sensitization, invasive pulmonary aspergillosis (IPA), severe allergy with fungal sensitization (SAFS), or chronic cavitating pulmonary aspergillosis (CCPA).