www.PILOTforIPF.org @PILOTforIPF DIAGNOSTIC ALGORITHM FOR IPF No UIP Possible UIP Inconsistent w/UIP UIP Probable UIP Non-classifiable fibrosis Raghu G, et al, and the ATS/ERS/JRS/ALAT Committee on IPF. Am J Respir Crit Care Med. 2011;183:788-824. Suspected IPF Identifiable causes for ILD? HRCT Surgical Lung Biopsy MDD Not IPF IPF