Medical Encyclopedia

Aspergillus antigen skin test

The aspergillus antigen skin test determines whether or not a person has been exposed to the mold aspergillus.It is performed by injecting an aspergillus antigen under the skin with a needle.After 48 to 72 hours the site of injection is evaluated by a physician.If a positive reaction occurs (the test site is inflamed), the person has been exposed to the aspergillus mold and is at risk for developing aspergillosis.