This document provides an overview of health care agencies, including their purposes, types, organization, nursing teams, nursing care patterns, methods of payment, and standards. The main purposes of health care agencies are health promotion, disease prevention, detection and treatment of disease, and rehabilitation. Agencies are organized with a governing body, administrator, department heads, and interdisciplinary teams. Nursing teams are led by directors of nursing and include registered nurses, licensed practical/vocational nurses, and nursing assistants. Agencies must meet standards for licensure, certification, accreditation, and regulatory surveys.