NCIthesaurus transmitted by mushroom workers' lung UMLS_CUI:C0155889 An extrinsic allergic alveolitis involving inflammation of the alveoli within the lung caused by hypersensitivity to the inhalation of organic dust particles derived from either the mushrooms, their spores or the compost in which the mushrooms are grown. It is usually caused by the spores of thermophilic actinomycetes. ICD10CM:J67.5 MESH:D005203 NCI:C197937 disease_ontology SNOMEDCT_US_2025_09_01:52333004 ICD9CM:495.5 DOID:2708 extrinsic allergic alveolitis airborne transmission