The KPNC-ILD cohort will consist of approximately 10,000 patients with interstitial lung disease. It will be built through electronic health recordbased case identification using an algorithm that will be further developed. We anticipate optimizing the existing KPNC-ILD algorithm and having a fully operational case identification process. The KPNC-ILD algorithm will be useful to clinical researchers worldwide who are interested in using large electronic health recordbased datasets to identify ILD cohorts.