A CWCI Interactive Research Report based on the latest update to the Institute’s Inpatient Hospital Utilization Application which now includes inpatient hospital discharge data for CY 2012 through CY 2023 compiled by the California Department of Health Care Access and Information (HCAI). The report provides a refresher on how the application is formatted and can be used, and highlights some of the latest results and trends, including data that can be used to track and compare changes in the volume of inpatient hospitalizations paid under California workers’ compensation, Medicare, Medi-Cal, and private coverage since 2012.