FASP - Clinical: Aspergillus Antibodies, Immunodiffusion, Serum

Test Catalog

Test Name

Test ID: FASP    
Aspergillus Antibodies, Immunodiffusion, Serum

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Aspergillus flavus Ab

Aspergillus niger Ab

Aspergillus fumigatus Ab


Reference Range: Negative


Interpretive Criteria:

            Negative: Antibody not detected

            Positive: Antibody detected


A positive result is represented by 1 or more precipitin bands, and may indicate fungus ball, allergic bronchopulmonary aspergillosis (ABA) or invasive aspergillosis. Generally, the appearance of 3 – 4 bands indicates either fungus ball or ABA.