United States Substance Abuse and Mental Health Services Administration: An agency of the PUBLIC HEALTH SERVICE concerned with the overall planning, promoting, and administering of programs pertaining to substance abuse and mental health. It is commonly referred to by the acronym SAMHSA. On 1 October 1992, the United States Alcohol, Drug Abuse, and Mental Health Administration (ADAMHA) became SAMHSA.United States Health Resources and Services Administration: A component of the PUBLIC HEALTH SERVICE that provides leadership related to the delivery of health services and the requirements for and distribution of health resources, including manpower training.Substance Abuse Detection: Detection of drugs that have been abused, overused, or misused, including legal and illegal drugs. Urine screening is the usual method of detection.Health Services Administration: The organization and administration of health services dedicated to the delivery of health care.United StatesSubstance-Related Disorders: Disorders related to substance abuse.United States Public Health Service: A constituent organization of the DEPARTMENT OF HEALTH AND HUMAN SERVICES concerned with protecting and improving the health of the nation.Interinstitutional Relations: The interactions between representatives of institutions, agencies, or organizations.Health Services Accessibility: The degree to which individuals are inhibited or facilitated in their ability to gain entry to and to receive care and services from the health care system. Factors influencing this ability include geographic, architectural, transportational, and financial considerations, among others.Health Services: Services for the diagnosis and treatment of disease and the maintenance of health.Mental Health Services: Organized services to provide mental health care.Health Services Needs and Demand: Health services required by a population or community as well as the health services that the population or community is able and willing to pay for.Health Services Research: The integration of epidemiologic, sociological, economic, and other analytic sciences in the study of health services. Health services research is usually concerned with relationships between need, demand, supply, use, and outcome of health services. The aim of the research is evaluation, particularly in terms of structure, process, output, and outcome. (From Last, Dictionary of Epidemiology, 2d ed)Delivery of Health Care: The concept concerned with all aspects of providing and distributing health services to a patient population.Health Status: The level of health of the individual, group, or population as subjectively assessed by the individual or by more objective measures.HIV Infections: Includes the spectrum of human immunodeficiency virus infections that range from asymptomatic seropositivity, thru AIDS-related complex (ARC), to acquired immunodeficiency syndrome (AIDS).Public Health: Branch of medicine concerned with the prevention and control of disease and disability, and the promotion of physical and mental health of the population on the international, national, state, or municipal level.Reproductive Health Services: Health care services related to human REPRODUCTION and diseases of the reproductive system. Services are provided to both sexes and usually by physicians in the medical or the surgical specialties such as REPRODUCTIVE MEDICINE; ANDROLOGY; GYNECOLOGY; OBSTETRICS; and PERINATOLOGY.Community Health Services: Diagnostic, therapeutic and preventive health services provided for individuals in the community.Child Health Services: Organized services to provide health care for children.Rural Health Services: Health services, public or private, in rural areas. The services include the promotion of health and the delivery of health care.Health Policy: Decisions, usually developed by government policymakers, for determining present and future objectives pertaining to the health care system.Health Care Reform: Innovation and improvement of the health care system by reappraisal, amendment of services, and removal of faults and abuses in providing and distributing health services to patients. It includes a re-alignment of health services and health insurance to maximum demographic elements (the unemployed, indigent, uninsured, elderly, inner cities, rural areas) with reference to coverage, hospitalization, pricing and cost containment, insurers' and employers' costs, pre-existing medical conditions, prescribed drugs, equipment, and services.Health Care Surveys: Statistical measures of utilization and other aspects of the provision of health care services including hospitalization and ambulatory care.Community Mental Health Services: Diagnostic, therapeutic and preventive mental health services provided for individuals in the community.Maternal Health Services: Organized services to provide health care to expectant and nursing mothers.Primary Health Care: Care which provides integrated, accessible health care services by clinicians who are accountable for addressing a large majority of personal health care needs, developing a sustained partnership with patients, and practicing in the context of family and community. (JAMA 1995;273(3):192)Quality of Health Care: The levels of excellence which characterize the health service or health care provided based on accepted standards of quality.Health Surveys: A systematic collection of factual data pertaining to health and disease in a human population within a given geographic area.Health Promotion: Encouraging consumer behaviors most likely to optimize health potentials (physical and psychosocial) through health information, preventive programs, and access to medical care.Adolescent Health Services: Organized services to provide health care to adolescents, ages ranging from 13 through 18 years.Preventive Health Services: Services designed for HEALTH PROMOTION and prevention of disease.