Hospital-based casefinding can be as complex as the facility in which it is performed. Kelly Merriman, MPH, PhD, ODS-C, Chair of the NCRA Informatics Committee, created this case finding mini-short to demonstrate existing and new ways of case finding to assist cancer registrars in using the following data sources: billing data using NCI SEER case finding list, appointment (visit) information, pathology reports, and treatment data using pharmacy, surgical radiation charges.