This document discusses integrating a trauma-informed approach in behavioral health settings. It covers key topics like assumptions, principles, and approaches of trauma-informed care. It also discusses the six domains of creating a trauma-informed culture which are: service level procedures and settings; formal policies; trauma screening, assessment and services; administrative support; staff training; and human resources practices. Each domain is examined in detail with examples of how to apply trauma-informed principles. The importance of considering trauma and its impacts is emphasized throughout all levels of an organization's procedures, policies and practices.