RCW 72 refers to the Revised Code of Washington Title 72, which encompasses laws related to the Department of Social and Health Services (DSHS) and its operations. This title includes regulations governing the care and treatment of individuals with mental health issues, developmental disabilities, and other social services. The code outlines the responsibilities of state institutions and facilities, ensuring that individuals receive appropriate care and support. It also addresses the rights of patients and residents, promoting their well-being and dignity within the state's mental health and social service systems.