People buy insurance to protect themselves against possible financial loss in the future. Such losses may be due to a motor vehicle
collision, natural disaster, or other circumstance. For patients, financial losses may result from the use of medical services. Health
insurance then provides protection against the possibility of financial loss due to health care use. In addition, since people do
not know ahead of time exactly what their health care expenses will be, paying for health insurance on a regular basis helps smooth
out their spending.
While health insurance continues to be mainly a private enterprise in this
country, government plays an increasingly
significant role. Especially during the
latter half of the 20th century, the government both initiated and responded to
dynamics in
medicine, the economy, and the workplace through legislation and
public policies. For example, the Internal Revenue Service clarified
that employer contributions to employee health benefits are exempt from taxation, which encouraged the growth of employment-based
health coverage. Given the frequent introduction of legislation aimed at modifying or building on the current health insurance system,
understanding the potential impact of such proposals requires a working knowledge of how health insurance is designed, provided, purchased,
and regulated. This report, which will be updated, provides basic information about those topics.
Persons and families without health
coverage are more likely than those with
coverage to forgo needed health care, which often leads to worse health outcomes and the
need for expensive medical treatment. Since uninsured persons are more likely to be poor than insured persons, the uninsured are less
able to afford the health care they need. Uninsurance can lead to health care access problems for communities, such as overcrowding
in emergency rooms. Furthermore, individual states and the nation as a whole are affected through increased taxes and health care
prices to cover uncompensated care expenses.
Americans obtain health insurance in different settings and through a variety of
methods.
People may get health coverage through the private sector, or from a
publicly funded program. Consumers may purchase health insurance
on their own, as part of an employee group, or through a trade or professional association. A small minority of employees get health
insurance at no up-front cost because their employer pays the total insurance premium. However, 45 million Americans did not have
health coverage for the entire year of 2003.
Health insurance benefits are delivered and financed under different systems.
The factors
that distinguish one delivery system from another are many, including how health care is financed, how much access to providers and
services is controlled, and how much authority the enrollee has to design her/his health plan. To illustrate, managed care is characterized
by predetermined restrictions on accessing services, whereas individual decision-making regarding use of health benefits is a hallmark
of consumer-driven health care. And as economic conditions change, a specific delivery system may gain or lose the interest of affected
parties.
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