Pediatric Abusive Head Trauma: Recommended Definitions for Public Health Surveillance and Research was developed to improve the quality and consistency of data on abusive head trauma in children. The publication provides a definition of abusive head trauma and presents recommended data elements for use by individuals and organizations. The document is designed to aid in the collection of surveillance data and is intended to promote and improve consistency of abusive head trauma surveillance for public health purposes. The definitions and data elements are based on International Classification of Diseases diagnosis and external-cause-of-injury codes.