The following words and phrases when used in this subchapter shall have the following meanings unless the context clearly indicates otherwise.(1) Contract--A written agreement between the department and a program provider to provide substance abuse treatment services.(2) Case management--Services that assist and support persons receiving services from a program provider in developing skills to gain access to and obtain services from needed medical, social, educational and other service providers essential to meeting basic human needs. This function consists of assessment of needs, appropriate referrals, follow-up on referrals, and a plan of action with clear goals.(3) Department--The Department of State Health Services.(4) Medication-assisted therapies--Medications used in any treatment for addictions that includes a medication approved by the U.S. Food and Drug Administration for addiction detoxification or maintenance treatment.(5) Program provider--A person or entity that contracts with the department to provide substance abuse treatment services.(6) Substance use disorder--A broad term that includes substance abuse, substance dependence, substance withdrawal, substance intoxication, and other related disorders as described in the Diagnostic and Statistical Manual of Mental Disorders.