Glossary of Terms

Accountable Care Organization (ACO)
A group of doctors, hospitals, and other health care providers, who come together voluntarily to give coordinated high quality care to their Medicare patients.
Affordable Care Act (ACA)
Officially named the Patient Protection and Affordable Care Act and often referred to as "ObamaCare," the ACA was signed into law on March 24, 2010, with various provisions phasing into effect over a ten year period. The law's intention is to lower health care costs while expanding access to insurance.
AIDS Drug Assistance Program (ADAP)
Provides free medications for the treatment of HIV/AIDS and opportunistic infections to help people with partial insurance and those who have a Medicaid spend down requirement.
Ambulatory Patient Groups (APGs)
An outpatient payment system designed to reimburse Hospital Outpatient Departments, Hospital Emergency Service Departments, freestanding diagnostic and treatment centers, and ambulatory surgery centers for services provided.
Assertive Community Treatment (ACT)
An evidence-based model to provide treatment, rehabilitation and support services to individuals with severe mental illness whose needs have not been well met by more traditional mental health services.
Assisted Outpatient Treatment (AOT)
Court-ordered participation in outpatient services for certain individuals with serious mental illness who, in view of their treatment history and present circumstances, are considered high-risk in the community without supervision.
Approval, granted by a managed care plan, for a consumer to receive a health care product or service, such as a specific medical, mental health and/or substance use treatment. Preauthorization is when prior approval by a managed care plan is required before services can be rendered.