What is the role of BAL in the workup of mold allergy?

Updated: Dec 02, 2020
  • Author: Shih-Wen Huang, MD; Chief Editor: Harumi Jyonouchi, MD  more...
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BAL is not indicated in clinical practice. However, studies demonstrated that, in ABPA, BAL samples yields higher IgE levels against the fungal Ag than do peripheral blood samples. This finding suggests the local production of IgE against Aspergillus species. In EAA, BAL is no more helpful than the demonstration of serum precipitins.

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