Chen A, Jonnagaddala J, Nekkantti C, Liaw ST. Generation of surrogates for de-identification of electronic health records. Paper presentation. Medinfo 2019: Health and Wellbeing e-Networks for All. L. Ohno-Machado & B. Séroussi (Eds) © 2019 International Medical Informatics Association (IMIA) and IOS Press. doi:10.3233/SHTI190185

Unstructured electronic health records are valuable resources for research. Before they are shared with researchers, protected health information needs to be removed from these unstructured documents to protect patient privacy. The main steps involved in removing protected health information are accurately identifying sensitive information in the documents and removing the identified information. To keep the