allergic disease interstitial lung disease extrinsic allergic alveolitis An interstitial lung disease involving inflammation of alveoli and smallest airways (bronchioles) of the lung caused by an allergic reaction to inhaled organic dusts containing microorganisms or proteins, and chemicals. Symptoms include chills, cough, fever, malaise, shortness of breath, loss of appetite and weight loss. DOID:2707 UMLS_CUI:C0002390 SNOMEDCT_US_2020_03_01:155581001 DOID:841 GARD:12 NCI:C34369 ICD10CM:J67.9 MESH:D000542 ICD9CM:495 alveolitis disease_ontology hypersensitivity pneumonitis