Washington Submission of Provider Credentials for Interpretive Services is a process by which providers of health care services submit their credentials to the Washington State Department of Health in order to be approved for providing interpretive services to patients. This process includes an application, submission of documentation, and evaluation of qualifications. The types of Washington Submission of Provider Credentials for Interpretive Services include: Certified Medical Interpreter (CMI), Registered Medical Interpreter (RMI), and Certified Healthcare Interpreter (CHI). The CMI credential involves a certification process that demonstrates professional competency in medical interpreting. The RMI credential involves a certification process that demonstrates professional proficiency in medical interpreting. The CHI credential is a competency-based credential that recognizes interpreters who have demonstrated both knowledge and skills in interpreting.