Types Make an Appointment Refer a Patient Ask a Question Reviewed by Gregory P. Cosgrove, MD, FCCP, Jeffrey James Swigris, DO, MS, Tristan J. Huie, MD (December 01, 2014) Interstitial lung disease (ILD) is a broad category of lung diseases that includes more than 130 disorders characterized by scarring (i.e. "fibrosis") and/or inflammation of the lungs. Some of the disorders included under the heading of ILD are: Idiopathic pulmonary fibrosis Connective tissue or autoimmune disease-related pulmonary fibrosis Hypersensitivity pneumonitis Sarcoidosis Eosinophilic granuloma (a.k.a. Langerhan's cell histiocytosis) Chronic eosinophilic pneumonia (see hypereosinophilic syndromes) Pulmonary vasculitis Pulmonary hemorrhage syndromes Bronchiolitis obliterans Lymphangioleiomyomatosis Familial pulmonary fibrosis or familial interstitial pneumonia Diagnosis Treatment Clinical Trials For more than 100 years, National Jewish Health has been committed to finding new treatments and cures for diseases. Search our clinical trials.