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Prepared for the Kaiser Family Foundation by:

Gary Claxton
Institution for Health Care Research and Policy 
Georgetown University

April 2002

How Private Insurance Works:
A Primer 

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The Kaiser Family Foundation is an independent, national health philanthropy dedicated to providing 
information and analysis on health issues to policymakers, the media, and the general public. The Foundation
is not associated with Kaiser Permanente or Kaiser Industries.

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TABLE of CONTENTS 

 
 
 
 

 

 

1. 

 

What 

is 

Private 

Health 

Coverage? 

      

 

 
 
2.  How is Private Health Coverage Delivered? 

 

 

 

  2 

 

Types of Organizations that Provide Private Health Coverage    2

 

 How 

Does 

Managed 

Care 

Fit 

In? 

      

 

 

What is a Preferred Provider Organization? 

 

 

 

  3 

 

Risk Pooling, Underwriting, and Health Coverage 

 

 

  4 

 
 
3.  Regulation of Private Health Coverage 

 

 

 

 

  7 

 

State Regulation of Health Insurance 

 

 

 

 

  7 

 Federal 

Laws 

Governing 

Health 

Insurance 

   12 

 

 

ERISA 

 

 

 

 

 

 

 

 

13 

 

 

HIPAA 

 

 

 

 

 

 

 

 

17 

  Other 

Federal 

Mandated 

Benefits 

    19 

 
 
4. 

 

Conclusion 

         

 

 

 

 

 

20

 

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1

This primer provides a basic overview of private coverage for health care.  It 

begins by describing what we mean by private health coverage, and continues with 

discussions of the types of organizations that provide it, its key attributes, and how it is 
regulated.  The paper addresses private health coverage purchased by individuals and 
employers; it does not address public benefit programs such as Medicare and Medicaid. 
 

1.  What is Private Health Coverage?

 

 

Private health coverage is a mechanism for people to (1) protect themselves 

from the potentially extreme financial costs of medical care if they become severely ill, 
and (2) ensure that they have access to health care when they need it.   

 
Health care can be quite costly, and only the richest among us can afford to pay 

the costs of treating a serious illness should it arise.  Private health coverage products 
pool the risk of high health care costs across a large number of people, permitting them 
(or employers on their behalf) to pay a premium based on the average cost of medical 

care for the group of people.  This risk-spreading function helps make the cost of health 
care reasonably affordable for most people.   

 

In addition, having an â€œinsurance card” enables patients to receive care in a 

timely way by providing evidence to health care providers that the patient can afford 
treatment.   Providers generally know that when they treat people with health 
coverage, they are likely to be paid for their services within a reasonable time. 

 

Health coverage is provided by a wide array of public and private sources.  Public 

sources include Medicare, Medicaid, federal and state employee health plans, the 

military, and the Veterans Administration.   

 

Private health coverage is provided 

primarily through benefit plans sponsored by 

employers – about 162 million nonelderly people 
are insured through employer-sponsored health 
insurance.

i

  People without access to employer-

sponsored insurance may obtain health insurance 
on their own, usually through the individual health 
insurance market, although in some instances 

health insurance may be available to individuals 

through professional associations or similar arrangements.  About 12 million nonelderly 
people buy health insurance directly at any given time.

ii

 

 

Policy

:  This is the contract 

between the health insuring 

organization and the 

policyholder.  The policyholder 

may be an individual or an 

organization, like an employer. 

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2.  How is Private Health Coverage Delivered? 

 

Types of Organizations that Provide Private Health Coverage 

 

Private health coverage is provided primarily by two different types of entities:  

state-licensed health insuring organizations and self-funded employee health benefit 

plans.   

 

 

State-Licensed Health Insuring Organizations 

 

State-licensed health insuring organizations, as the name implies, are organized 

and regulated under state law, although federal law adds additional standards and in 
some cases supercedes state authority.   There are three primary types of state-

licensed health insuring organizations: 

 

Commercial health insurers.

  Commercial health insurers (sometimes called 

indemnity insurers) are generally organized as stock companies (owned by 
stockholders) or as mutual insurance companies (owned by their policyholders).  
A prominent example is Aetna, a stock company.   

 

Blue Cross and Blue Shield Plans.  

Historically, many of these plans were 

organized as not-for-profit organizations under special state laws by state 
hospital (Blue Cross) and state medical (Blue Shield) associations.  These laws 

differed significantly across states, sometimes imposing special obligations or 
regulatory requirements on Blue Cross and Blue Shield plans (e.g., to insure all 
applicants) and sometimes providing financial advantages such as favorable tax 

status.  Today, some Blue Cross and Blue Shield plans continue to operate under 
special state laws; others are organized as commercial health insurers.  Blue 
Cross and Blue Shield plans operate and are regulated in a similar manner to 
commercial insurers, although in a few states Blue Cross and Blue Shield plans 

continue to have special requirements to accept applicants for health insurance 
on a more lenient basis than is applied to other types of insurers.   
 

Health Maintenance Organizations (HMOs).

  HMOs usually are licensed 

under special state laws that recognize that they tightly integrate health 
insurance with the provision of health care.  HMOs operate as insurers (meaning 

they spread health care costs across the people enrolled in the HMO) and as 
health care providers (meaning they directly provide or arrange for the necessary 
health care for their enrollees).  In many states, HMO regulation is shared by 
agencies that oversee insurance and agencies that oversee heath care 

providers.

iii

   Prominent examples of state licensed HMOs include Kaiser 

Permanente and Harvard Pilgrim. 
 

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3

 Although states tend to separately license each of these types of entities, it is 

quite common for several different health insuring organizations to operate together 

under a common corporate identity.   For example, an HMO may have one or more 
subsidiaries that are separately licensed as commercial health insurers, and may offer 
its group customers coverage packages that permit members to choose between the 
different types of coverage. 

 

 

 

Self-Funded Employee Health Benefit Plans 

 

Self-funded employee health benefit plans operate under federal law and are 

health benefit arrangements sponsored by employers, employee organizations, or a 
combination of the two.  Under a self-funded arrangement, the plan sponsor retains the 

responsibility to pay directly for health care services of the plan’s participants. In most 
cases, the sponsors of self-funded health plans contract with one or more third parties 
to administer the plans.  These contracts are sometimes with entities that specialize in 
administering benefit plans, called third-party administrators.  In other cases, sponsors 

contract with health insurers or HMOs for administrative services.  The administering 
entity usually will manage the health benefits in the same way as a health insurer or 
HMO, but will pay for the cost of medical care with funds provided by the sponsor (i.e., 

no premium is paid).  

 

How Does Managed Care Fit In? 

 

Under managed care, health coverage providers seek to influence the treatment 

decisions of health care providers through a variety of techniques, including financial 
incentives, development of treatment protocols, prior authorization of certain services, 

and dissemination of information on provider practice relative to norms or best 
practices.   

 

As managed care has become increasingly prevalent, the distinctions between 

different types of heath coverage providers are shrinking.  Commercial health insurers 
now offer coverage through networks of providers and may establish financial 
incentives similar to those traditionally used by HMOs. At the same time, HMOs have 

developed products, called point-of-service products, that permit covered people to 
elect to receive care outside of the HMO network, typically with higher cost sharing.  
Although it remains true that HMOs generally are the most tightly managed 

arrangements and most tightly integrate insurance and the delivery of care, virtually all 
private health coverage now involves some aspect of managed care. 

 

What is a Preferred Provider Organization? 

 

It is common for people to believe that they are covered by a preferred provider 

organization (PPO), but these entities generally do not actually provide health coverage.  

Rather, PPOs are networks composed of physicians and other health care providers that 

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4

agree to provide services at discounted rates and/or pursuant to certain utilization 
protocols to people enrolled in health coverage offered by a health coverage provider.  

Typically enrollees in such an arrangement are given financial incentives – such as 
lower copayments -- to use network providers. 

 
In some cases, PPOs are freestanding networks of health care providers that 

contract with a number of different health coverage providers to act as the health 
coverage provider’s network in a particular area.  In other cases, a health coverage 
provider may establish its own PPO network of health care providers in a particular 

area.  Although some states have raised concerns about the level of insurance risk 
assumed by PPOs under some of their arrangements with health coverage entities, 
PPOs generally are not treated as health coverage providers in most states. 

 

Risk Pooling, Underwriting, and Health Coverage 

 

As discussed above, health coverage providers pool the health care risks of a 

group of people in order to make the individual costs predictable and manageable.  For 
health coverage arrangements to perform well, the risk pooling should result in 
expected costs for the pool that are reasonably predictable for the insurer and relatively 

stable overtime (e.g., the average level of health risk in the pool should not vary 
dramatically from time to time, although costs will rise with overall changes in price and 
utilization). 

 
To accomplish this, health coverage providers strive to maintain risk pools of 

people whose health, on average, is the same as that of the general population.  Said 
another way, health coverage providers take steps to avoid attracting a 

disproportionate share of people in poor health into their risk pools, which often is 
referred to as adverse selection.  For obvious reasons, people who know that they are 
in poor health will be more likely to seek health insurance than people who are 

healthier.  If a risk pool attracts a disproportionate share of people in poor health, the 
average cost of people in the pool will rise, and people in better health will be less 
willing to join the pool (or will leave and seek out a pool that has a lower average cost).  
A pool that is subject to significant adverse selection will continue to lose its healthier 

risks, causing its average costs to continually rise.  This is referred to as a “death 
spiral.” 

 

In practice, health coverage providers often have multiple risk pooling 

arrangements.  They may establish separate arrangements for different markets (e.g., 
individuals who buy on their own, small businesses, and trade associations) and for 

different benefit plans within markets (e.g., plans with different levels of deductible).  
In part, this product differentiation protects the health coverage provider because 
problems in one risk pooling arrangement will not have a direct effect on people 
participating in another pooling arrangement. 

 

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5

Health coverage providers use underwriting to maintain a predictable and stable 

level of risk within their risk pools and to set terms of coverage for people of different 

risks within a risk pool.  Underwriting is the process of determining whether or not to 
accept an applicant for coverage and determining what the terms of coverage will be, 
including the premium.  As discussed below, both state and federal laws circumscribe 
the ability of health coverage providers to reject some applicants for coverage or to 

vary the terms of coverage.  

 
A primary underwriting decision involves whether or not the health coverage 

provider will accept an applicant for coverage.  Health coverage providers typically 
underwrite each person seeking to purchase coverage in the individual insurance 
market (where people buy insurance on their own), reviewing the person’s health status 

and claims history.  If an applicant is in poor health, a health coverage provider (subject 
to state and federal law) may decide not to offer coverage.  However, in most states, a 
health coverage provider also may choose to accept the applicant but vary the terms of 
coverage -- they may offer coverage at a higher than average premium (called a 

substandard rate), exclude benefits for certain health conditions or body parts (called 
an exclusionary rider), or do both.  As discussed below, state and federal laws generally 
require health coverage providers to accept small employers applying for coverage, so 

the underwriting decisions are more limited to determining the premium and other 
terms of coverage (though these actions are also limited by law in many states). 

 

To maintain the attractiveness of the risk pool to different segments of the 

population with different expected costs, health coverage providers typically vary 
premiums based on factors associated with differences in expected health care costs, 

such as age, gender, health status, 

occupation, and geographic location.  For 
example, on average the expected health 
costs of people over age 50 are more than 

twice as much as the expected health costs 
of people under age 20.  In cases where the 
individual is paying the full premium for 
coverage, health coverage providers will 

want to charge a higher premium to people 
who are older to recognize the higher 

expected costs.  If premiums are not varied to account for the differences in expected 

costs, the pool may attract a disproportionate share of older, more expensive people, 
raising the average cost in the pool and making coverage in the pool less attractive to 
younger people (who would have to pay a premium that exceeded their expected 

average health care costs).  This is another form of adverse selection and would lead to 
a breakdown of the risk pooling.  Other examples of underwriting include health 
coverage providers charging different premiums to small employers based on the 
industry of the employer or on the employer’s prior health claims. 

 

Adverse selection

:  People with a 

higher than average risk of needing 

health care are more likely than 

healthier people to seek health 

insurance.  Adverse selection results 

when these less healthy people 

disproportionately enroll into an risk 

pool. 

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The most efficient and effective underwriting mechanism for avoiding adverse 

selection is to provide coverage to already formed large groups of people, such as the 

employees of a large employer.  In such cases, the health coverage provider knows that 
the individual members of the group did not join it primarily to get insurance, so there 
is a much lower chance that the group is composed disproportionately of people in poor 
health.  In such cases, the underwriting focuses on the group â€“ its claims history, age 

distribution, industry, and geographic location â€“not on individual members of the group.  
Even in group underwriting situations, however, health coverage providers need to 
assure that they are not getting only those members of the group who are in poor 

health.  To avoid adverse selection within the group, health coverage providers often 
limit the opportunity for employees to enroll in the plan (called an â€œopen enrollment 
period”), require a minimum percentage of employees to participate in the coverage, 

and/or require the employer to contribute a minimum percentage of the premium on 
behalf of workers (to encourage participation). 

 

 

The advantages of group underwriting break down in certain situations.  For 

example, when a very small employer group (e.g., 2 to 5 employees) seeks coverage, 
there is a possibility that the need for health care by one member of the group (e.g., a 
family member of the owner) is the reason that the group is seeking coverage.  A 

health coverage provider in such a case may (if permitted by state law) charge a higher 
premium based on the higher risk associated with smaller groups (called a group size 
factor) or review the health status of each of the members of the group in order to vary 

the premium for the group.  The higher inherent risk in providing coverage to small 
employers explains in part why a risk pool with 1000 five-employee groups will be less 
stable (and more expensive to cover) than one employer with 5000 employees. 
 

 

Health coverage providers also take steps to protect themselves from adverse 

selection that may not be uncovered in the underwriting process by excluding benefits 
for a defined period of time for the treatment of medical conditions that they determine 

to have existed within a specific period 
prior to the beginning of coverage.  For 
example, if a person seeks benefits for a 
chronic condition within a few months of 

enrolling for coverage, the health coverage 
provider may investigate to determine if 
the condition was diagnosed (or apparent) 

within a defined period prior to enrollment.  
If the health coverage provider determines that the condition was diagnosed (or 
apparent), it may exclude coverage of the preexisting medical condition.  Treatments 

for other medical conditions would not be affected by the exclusion.  As discussed 
below, state and federal law substantially circumscribes the applicability of preexisting 
condition exclusions. 
 

Preexisting medical condition

:  

This is an illness or medical condition 

for which a person received a 

diagnosis or treatment within a 

within a specified period of time prior 

to becoming insured under a policy. 

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3.  Regulation of Private Health Coverage

 

 
 

This section describes the basic regulatory framework for private health coverage 

under state and federal laws.  
 

Understanding how private health coverage is regulated is complicated by the 

overlapping state and federal requirements for health coverage arrangements.  States 
generally regulate the business of insurance, including health insurance.  States license 
entities that offer private health coverage and have established laws that control the 

legal structure of insurers, their finances, and their obligations to the people that they 
insure.  At the same time, a number of federal laws also regulate private health 
coverage.  The most important of these laws, the Employee Retirement Income 
Security Act of 1974 (ERISA), establishes standards for employee benefit plans 

(including benefit plans providing medical care) established or maintained by an 
employer, an employee organization (i.e., a union), or both.   Since the vast majority of 
Americans with private health coverage receive it through such an employee benefit 

plan, understanding the interaction between federal and state laws is essential to 
understanding how private health coverage operates.   

 

Unfortunately, this interaction is messy:  In some cases, ERISA requirements 

coexist with state law and in other cases, ERISA requirements preempt state law.  And, 
precisely when ERISA preempts state laws is still the matter of much litigation, even 
though ERISA was passed over 25 years ago.   Important interactions between state 

and federal law also occur under the Health Insurance Portability and Accountability Act 
of 1996 (HIPAA). 

 

This part begins with a general description of how states regulate health 

insurance and continues with a general description of the applicable provisions of ERISA 
and HIPAA and their interaction with state law and state oversight of state-licensed 
health insuring organizations.   

 

State Regulation of Health Insurance 

 

 

The regulation of insurance has traditionally been a state responsibility.  In 1945, 

Congress enacted the McCarran-Ferguson Act,

iv

 which clarified federal intent that states 

have the primary role in regulating the business of insurance.

1

 

 

 
_________________________ 

 

1

 The McCarran-Ferguson Act was enacted in response to the U.S. Supreme Court's decision in 

United States

 v. 

South-Eastern Underwriters Assn.

, 322 U.S. 533 (1944), which held that insurers that conducted a substantial part of 

their business across state lines were engaged in interstate commerce and thereby were subject to federal antitrust 
laws. State and industry concern over the effect of the decision on state authority over insurance lead Congress to 
pass the McCarran-Ferguson Act to restore the primary role of states in regulating the business of insurance.  See 

United States Department of Treasury v. Fabe

, 508 U.S. 491, 499 (1993). 

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State regulation of health 

and other insurance starts with 

the licensing of entities that sell 
insurance within the state.  The 
licensing process reviews the 
finances, management and 

business practices of the insuring 
entity to evaluate whether it can 
provide the coverage that is 

promised to policyholders.  States 
establish requirements for state 
licensed health insuring 

organizations in a number of 
areas to protect the people that 
they cover.  
 

 

The discussion below 

describes the types of insurance 
laws that states have typically 

enacted, though the content and 
extent of regulation in these areas varies among the states, sometimes significantly.  
 

Financial Standards 

 
State financial standards include requirements for minimum capital, investment 

practices, and the establishment of claims and other reserves.  States require state-

licensed health insuring organizations to submit quarterly and annual financial 
statements, and also perform periodic on-site financial examinations to ensure that 
state-licensed health insuring organizations remain financially viable. 

 

Market Conduct 

 

State market conduct standards include requirements relating to claims practices, 

underwriting practices, advertising, marketing (including licensing of insurance 

producers), rescissions of coverage, and 
timely payment of claims.  States have 

broad authority to address unfair trade 
and unfair claims practices, and perform 
periodic market conduct examinations of 

state-licensed health insuring 
organizations to review business practices.  
 
 

 

Minimum capital requirements

:  These 

are state laws that set a minimum amount 

of net worth than an insuring organization 

must have in order to operate.  This 

minimum amount must be unencumbered â€“ 

i.e., it must be available to pay for claims.  

The amount varies with the type of 

insurance that is being sold by the insurer 

(e.g., life, health, auto, workers 

compensation).  Relatively recent state laws 

establishing "risk-based" capital 

requirements relate minimum capital 

requirements to insurers' risk exposure and 

business practices.  For example, an HMO 

may have lower minimum capital 

requirements than an indemnity health 

insurer because the HMO has additional 

tools to manage risk.   

Guaranty fund

:  This is a funding 

mechanism established under state law 

to pay the claims of insurers that 

become insolvent.  The funds to pay 

claims generally are provided by 

assessing other insurers that provide 

coverage in the state.

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Policy Forms 

 

Policy forms are the pieces of paper that establish the contractual relationship 

between the health insuring organization and the purchaser.  State standards for policy 

forms address the content of the form 
-- including required and prohibited 

contract provisions and standard 
definitions and terminology -- as well 
as how they are issued to purchasers.  

In some cases, states review or 
approve policy forms, although these 
practices vary by type of purchaser 

and by state.

v

  States most often 

review or approve policies that are 
offered directly to consumers or to 
small employers; larger purchasers are 

presumed to be sophisticated buyers 
that need less protection.  

 

 

Access to Coverage and Required Benefits 

 

State standards relating to access address when, and on what terms, state-

licensed health insuring organizations must accept an applicant for coverage.  Most 
states have laws that require state-licensed health insuring organizations to provide 
coverage to small employers that want it, with some limitation on the rates that can be 

charged (e.g., restrictions on how premiums can vary based on age and health status).  
Fewer states apply these types of rules to the individual insurance market, where 
people buy coverage on their own rather than through an employer.  Federal law also 

includes requirements for access to coverage, as discussed under HIPAA below. 

 
All states also have laws that 

require state-licensed health insuring 

organizations selling health coverage to 
offer or include coverage for certain 
benefits or services (known as mandated 

benefits), including items such as mental 
health services, substance abuse 
treatment, and breast reconstruction 

following mastectomy.  The number and 
type of these mandates varies 
considerably across states.  Federal law 
also includes certain mandated benefits, 

as discussed under HIPAA below. 

Policy form

:  This is a representative 

contract of the policies that health 

insuring organizations offer to 

policyholders.  Health insuring 

organizations will have different policy 

forms representing different 

configurations of benefits and different 

types of customers (e.g., individuals or 

small groups).  In some states, health 

insuring organizations have to file the 

policy forms that they offer to certain 

types of customers with the insurance 

department.    

Guaranteed issue or guaranteed 

availability of coverage

:  This is a 

requirement that insurers accept specified 

applicants for coverage, generally without 

regard to their health status or previous 

claims experience.  For example, health 

insuring organizations generally are 

required by state and federal law to issue 

coverage to small employers that apply.  

Separate provisions of law generally 

address the extent to which health 

insuring organizations can vary premiums 

based on health status, claims experience 

or other factors. 

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 10

State standards also address the ability of state-licensed health insuring 

organizations to offer restricted coverage to people with preexisting health problems.  

As discussed above, health coverage providers generally exclude benefits for a defined 
period of time for treatment of medical conditions that they determine to have existed 
within a specific period prior to the beginning of coverage.  States set standards for 
how these limitations can be structured, and generally limit the application of such 

exclusions under group policies when people are switching from one health coverage to 
another (often called “portability” protection).  Federal law also ensures this type of 
portability, as discussed under HIPAA below. 

 

Premiums 

 

State standards for premiums 

address the cost of insurance to 
consumers, both initially and when 
coverage is renewed.  The degree of 

regulation varies by type of purchaser 
and by state.  For health coverage offered 
directly to individuals, many states 

establish minimum loss ratios (the 
percentage of premium that must be paid 
out in claims rather than for administrative costs or profits) and also reserve the right to 

review or approve the rates submitted by state-licensed health insuring organizations.

vi

 

State standards generally require that rate variations (e.g., variations due to age. 
gender, location) be actuarially fair (meaning that they are based on true variations in 
health costs).  Some states further limit the rights of insurers to vary premiums for 

individual policyholders by age or health status (often referred to as â€œrate band” or 
“community 
rating”).   Health 

coverage sold to 
small employers 
also is regulated, 
but the regulation 

tends to focus 
more on limiting 
the extent to 

which the rates 
offered to a small 
employer can 

reflect the claims 
experience or 
health status of 
workers in the 

group. 

Rate bands

:  These are laws that restrict the difference between 

the lowest and highest premium that a health insuring organization 

may charge for the same coverage.  For example, a rate band may 

specify that the highest rate a health insuring organization may 

charge for a policy may be not more than 150 percent of the lowest 

rate charged for the same policy.  The rate bands may limit all 

factors by which rates vary, or may apply only to specified factors, 

such as health status or claims experience.   

 

Community rating

:  This is a rating method under which all policy 

holders are charged the same premium for the same coverage.  

"Modified community rating" generally refers to a rating method 

under which health insuring organizations are permitted to vary 

premiums for coverage based on specified demographic 

characteristics (e.g., age, gender, location) but cannot vary 

premiums based on the health status or claims history of policy 

holders. 

Loss ratio

:  This is the ratio of benefits 

paid to premiums.  Loss ratios can be 

calculated for a particular policy form, 

for a line of business (e.g., small group 

health insurance), or for a health 

insuring organization's overall business.  

Minimum loss ratios for established by 

law or regulation typically apply to a 

policy form. 

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 11

Renewability 

 

Health coverage is generally provided for a limited period (typically one year), 

and state requirements address the 
extent to which a purchaser has a 
right to renew the policy for another 

year without being reevaluated for 
coverage.  Federal law also is 
important in this area, and is 

discussed under HIPAA below. 
 

 

State standards also address the ability of individuals covered under group 

policies to continue coverage if the group policyholder cancels the coverage or the 
person is no longer part of the group.  Standards in some states permit these people to 
continue coverage or to convert to individual insurance in some instances.  The 

requirements for terms of coverage and rates vary substantially across states.  Federal 
law (often referred to as â€œCOBRA” continuation) provides similar protection to 
individuals with employer-sponsored coverage, as discussed under ERISA below. 

 

HMOs, Managed Care, and Network Arrangements

 

 

States for many years have had separate standards for HMOs, recognizing their 

dual roles as providers and insurers of health care.  State HMO standards, in addition to 
addressing typical insurance topics such as finances, claims administration, policy forms 
and minimum benefits, also establish standards that affect HMOs as entities that 

directly deliver health care and closely manage the health care use of those that they 
insure.  Such state standards include requirements relating to the establishment of 
utilization review and quality assurance programs, the establishment of enrollee 

grievance processes, and the contents of contracts with participating health care 
providers.   

 
As the use of managed care has proliferated among non-HMO state licensed 

health insuring organizations (e.g., insurers offering PPO-type coverage), and as 
managed care practices have become more controversial with the general public, states 
have extended HMO-type standards to other entities offering managed care and have 

generally increased their regulatory scrutiny in this area.  Standards relating to network 
adequacy (e.g., the number, location, and types of physicians), utilization review 
practices, credentialing of participating health care providers, and quality assessment 

and improvement have recently been adopted in a number of states. 

 

Guaranteed renewability

:  This is a 

provision of an insurance policy or law which 

guarantees a policy holder the right to renew 

their policy when the term of coverage 

expires.  The health insuring organization 

generally is permitted to change the premium 

rates at renewal. 

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 12

Complaints, Remedies, and Appeals 

 

States also have laws and regulations that assist people who do not receive the 

benefits that they believe are covered under their health plans.  States receive 
consumer complaints, and in some cases are able to act as intermediaries to resolve 
specific conflicts between consumers and health coverage providers.  The receipt of a 

large number of complaints about a particular health coverage provider also may alert 
regulators to more pervasive market conduct abuses and trigger a broader review of 
marketing or claims practices. 

 
State law also generally permits people who feel aggrieved by a state licensed 

health coverage provider to seek redress through a lawsuit.  Such suits may be brought 

under the contract for coverage, tort, or in some cases under special state insurance 
laws (such as unfair claims practices laws).  For example, HMOs and other managed 
care arrangements may be sued under state medical malpractice laws if their delivery of 
health care does not meet ordinary standards of care.  Under state law, a person 

covered by a health insurance policy also generally can sue the insurer if benefits are 
not delivered as promised and the failure to deliver the benefits was negligent and the 
proximate cause of the person’s injury.  In some cases where the aggrieved person is 

covered under an employee benefit plan, however, ERISA preempts the person’s right 
to bring certain types of lawsuits.  This interaction between state and federal law is 
discussed in more detail under ERISA below. 

 
In the last few years, most states have adopted standards that provide for an 

independent, external party to review certain benefit decisions made by state licensed 
health coverage providers.  For example, these states permit a covered person to 

appeal a decision by a health coverage provider that denies a benefit because it was 
not medically necessary or because it was experimental.  The types of claims that are 
subject to review, who the reviewers are, and the procedures for requesting a review 

vary substantially across the states.  There also is a question as to whether ERISA 
preempts state external appeal laws as they apply to benefit decisions for people 
covered under an employee benefit plan (as discussed under ERISA below). 

 

Federal Laws Governing Health Insurance 

 
 

Although the business of insurance is primarily regulated by the states, a number 

of federal laws contain requirements that apply to private health coverage, including 
ERISA, HIPAA, the Americans with Disabilities Act, the Internal Revenue Code, the Civil 
Rights Act, the Social Security Act (relating to private coverage that supplements 

Medicare), and the Gramm-Leach-Bliley Act (relating to financial services and bank 
holding companies).  The discussion below focuses on two of these laws, ERISA and 
HIPAA, because of the significant impact that they have on the structure of private 
health coverage. 

 

 

 

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 13

ERISA (Employee Retirement Income Security Act) 

 

 ERISA

vii

 was enacted in 1974 to protect workers from the loss of benefits 

provided through the workplace.  The requirements of ERISA apply to most private 
employee benefit plans established or maintained by an employer, an employee 
organization, or both (referred to here generally as â€œplan sponsors”).  Employee benefit 

plans that provide medical benefits (and other non-pension benefits) are referred to as 
employee welfare benefit plans. 
 

 

ERISA does not require employers or other plan sponsors to establish any type of 

employee benefit plan, but contains requirements applicable to the administration of 
the plan when a plan is established.  The important requirements for employee welfare 

benefit plans include: 
 

Written document.

  ERISA requires that an employee benefit plan be plan be 

established and maintained 

pursuant to a written 
document, which must provide 
for at least one â€œnamed 

fiduciary” who has authority to 
manage and administer the 
plan. 

 
 
 
 

 

Disclosure requirements.

  ERISA requires the administrator of an employee 

welfare benefit plan to provide a summary plan description (SPD) to people 

covered under the plan (called participants and beneficiaries).  The SPD must 
clearly inform participants and beneficiaries of their benefits and obligations 
under the plan and of their rights under ERISA.  The SPD must include 
information about how to file a claim for benefits and how a denial of a claim can 

be appealed.  
 

Reporting requirements.

  ERISA requires administrators of certain employee 

benefit plans to file annual reports describing the operations of the plan.  
Reports are filed with the Internal Revenue Service, which forwards the 
information to the Department of Labor.  Certain types of employee welfare 

benefits plans (e.g., those that purchase insurance rather than self-fund and 
have fewer than 100 participants) are not required to file a report. 
 

Fiduciary requirements. 

 ERISA establishes standards of fair dealing for 

“fiduciaries” who exercise discretion or control in the management of an 

Fiduciary

:  This generally refers to a person 

who manages funds or benefits for another.  A 

fiduciary acts in a position of trust and generally 

is required to act in the best interests of the 

beneficiary.   Under ERISA, a fiduciary is a 

person who exercises discretion or control in the 

management of an employee benefit plan or in 

the management or disposition of the assets of 

an employee benefit plan. 

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 14

employee benefit plan or in the management or disposition of the assets of an 
employee benefit plan.  ERISA fiduciaries may be corporate entities or 

individuals. ERISA requires that employee benefit plans have at least one 
“named fiduciary” who is responsible for administration and operation of the 
plan.  The plan documents may designate additional fiduciaries.   
 

ERISA requires plan fiduciaries to carry out their responsibilities “solely in the 
interest of plan participants and beneficiaries and for the exclusive purpose of 
providing benefits and defraying reasonable expenses of administering the 

plan.”

viii

  ERISA also requires plan fiduciaries to act with the same skill, care, 

prudence, and diligence that a prudent person would use in like circumstances, 
and to carry out their responsibilities in accord with the lawful provisions of the 

plan documents.  
 

Claims for benefits.

  ERISA requires employee benefit plans to maintain 

procedures for requesting benefits under the plan and to inform participants and 

beneficiaries of the procedures.  Employee benefit plans must also have a 
procedure permitting participants and beneficiaries to appeal a denial of benefits 
to a fiduciary. 

 
The Department of Labor recently updated their ERISA regulation relating to 
claims procedures.  The new rule establishes shorter timeframes for making 

decisions on claims for benefits and on appeals of denials of claims, and also lays 
out procedures that must be followed for appeals.

 ix

  The new rule becomes 

effective in 2002. 
 

Remedies and enforcement.

  ERISA contains civil enforcement provisions that 

permit participants and beneficiaries to bring actions to obtain benefits due to 
them under an employee benefit plan, for redress of fiduciary breaches, to stop 

practices that violate ERISA or the provisions of the employee benefit plan, or for 
other appropriate equitable relief.  Courts may award reasonable costs and 
attorney fees to participants and beneficiaries who prevail.  ERISA does not, 
however, provide a remedy to recover economic or non-economic (e.g. pain and 

suffering) damages that may result from improper claims denials, fiduciary 
breaches, or other improper acts.  
 

Continuation coverage.

  ERISA requires plan sponsors that employ more than 

20 employees to offer continuation coverage to qualified beneficiaries (including 
dependents) who lose health coverage under an employee benefit plan for 

certain specified reasons (e.g., death of an employee, termination of 
employment, divorce, or legal separation).  ERISA requires the plan sponsor to 
notify individuals of their right to continuation coverage and establishes the 
benefits that must be offered, the period that qualifying individuals are eligible 

for continuation coverage, and premium that they must pay.   

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 15

 

ERISA Interaction With State Law 

 

 

How ERISA interacts with state law is quite complex and has generated 

numerous court cases. As a general matter, ERISA preempts state laws that would 
regulate the operation of employee benefit plans.  ERISA preemption of state laws 

occurs under two different provisions of the statute. 
 
 

First, ERISA contains an express provision that preempts state laws that â€œrelate 

to” an employee benefit plan.

x

  In applying the term “relates to,” courts have looked to 

whether the state law in question has a â€œconnection with or reference to” an employee 
benefit plan.

xi

 

2

  For example, state laws that prohibited garnishment of benefits 

provided under an employee benefit plan or that required employers to maintain 
existing health coverage for employees who are eligible for workers compensation 
benefits have been found to be preempted by ERISA.

xii

  State laws of general 

applicability, however, are not preempted merely because they impose some burdens 

on an ERISA plan.  For example, a state law that imposes a surcharge on hospitals bills 
was found not to be preempted as applied to hospitals owned by an employee benefit 
plan.

xiii

   

 
The ERISA preemption provision has an exception that saves from preemption 

those state laws that regulate insurance.  This “saving” provision permits states to 

continue to apply their insurance laws to insurers, including state licensed health 
insuring organizations, even when they provide coverage to or under an employee 
benefit plan.  For example, state laws that mandate the inclusion of certain benefits in 
health insurance contracts are saved from preemption, even though application of the 

law affect the benefits provided under the employee benefit plan.

xiv

  Similarly, a state 

insurance law that prohibits insurers from automatically denying a claim for benefits 
because it is not filed in a timely manner is saved from preemption because the law 

regulates insurance, even though the application of the law affects the administration of 
an employee benefit plan.

xv

  State laws that simply apply to insurers, however, but 

which do not primarily regulate the business of insurance, are not saved from 
preemption. 

 
Although the ERISA preemption provision saves state laws that regulate 

insurance, ERISA prohibits states from â€œdeeming” employee benefit plans to be 

insurers.  This later provision prohibits states from treating employee benefit plans as 
insurers and attempting to regulate them directly under their insurance laws. 

 
_________________________ 

 

2

 In recent cases, the U.S. Supreme Court expressed concern about the unhelpful nature of the preemption language 

in ERISA, and has stated that in looking at whether a state law is preempted it "must go beyond the unhelpful text 
and the frustrating difficulty of defining its key term, and look instead to the objectives of the ERISA statute as a 
guide to the scope of the state law that Congress understood would survive."  

New York State Conference of Blue 

Cross & Blue Shield Plans v. Travelers Insurer. Co.,

 514 U.S. 645, 656 (1995).  

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 16

 

As a practical matter under ERISA, states can continue to regulate the insurance 

activities of state licensed health insuring organizations that provide health coverage 

under an employee benefit plan established by an employer or other plan sponsor.  
States generally cannot regulate the content or activities of self-funded employee 
benefit plans.  States also cannot indirectly regulate the practices of employee benefit 
plans by trying to regulate how third parties, including state licensed health insuring 

organizations, provide administrative services to self-funded employee benefit plans.  As 
an example, states can require insurance companies and HMOs to include coverage for 
specified benefits (e.g., mental health services) in the policies they sell.  Any employer 

or individual purchasing insurance coverage would therefore have to purchase a policy 
that included those benefits.  States cannot, however, require self-funded employer 
plans to offer any specified benefits. 

 

The second area of ERISA preemption involves the civil remedies available to 

participants and beneficiaries relating to a claim for benefits.  As discussed above, 
ERISA provides a limited set of civil remedies to participants and beneficiaries.  The 

courts have determined that these remedies are the exclusive remedies available to 
participants and beneficiaries to contest a denial of benefits under an employee benefit 
plan.  State laws that provide for causes of action against the administrator or another 

fiduciary of an employee benefit plan (e.g., for breach of contract or tort) are 
preempted if they could have been brought under the civil enforcement provisions of 
ERISA.  

 

 

This aspect of ERISA preemption poses difficult questions and has been the 

subject of numerous court decisions.  And, the questions have become harder to 
resolve as health coverage providers have through managed care become more deeply 

involved in the medical treatment decisions affecting covered people.  For example, 
when an employee 
benefit plan provides 

benefits through an 
HMO, it is often difficult 
to distinguish situations 
when the HMO is making 

a determination on a 
claim for benefits under 
the plan from situations 

when it is exercising 
medical judgement in 
determining the 

appropriate medical 
treatment for a person 
covered under the plan.  
This distinction matters, 

particularly if the person 

Economic damages

:  These are financial losses that a 

person may suffer as the result of another person's 

wrongful act.  Examples of economic damages include 

lost wages and medical bills. 

 

Non-economic damages

:  These are non-financial 

losses that a person may suffer as a result of another 

person's wrongful act.  Examples of non-economic 

damages include pain and suffering, physical 

disfigurement, and loss of consortium. 

 

Punitive damages

:  These are damages awarded to an 

injured party in addition to economic or non-economic 

damages in order to punish the wrong-doer for conduct 

that is particularly egregious.    

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 17

believes he or she was injured by the decision, because actions based on a denial of 
claim for benefits must be brought under ERISA (where no economic or non-economic 

damages would be available), while actions based on providing inappropriate medical 
care may be brought under state law in some instances (where economic, non-
economic, and punitive damages may be available).   

 

A related ERISA preemption issue involves whether state external appeal laws 

apply to benefit determinations made by state licensed health insuring organizations 
providing coverage under employee benefit plans.  There currently is a split in the 

courts. One federal court of appeals has determined that a state external appeal law is 
preempted in this situation because it provides “an alternative mechanism through 
which plan members may seek benefits due them under the plan,” which is contrary to 

the principle that the ERISA civil enforcement provisions are the exclusive remedy for 
participants and beneficiaries contesting a denial of benefits.

xvi

  Another federal court of 

appeals has found that state external appeal laws are not preempted in this situation, 
determining that the external review provisions were incorporated into the insurance 

contract and, rather than establishing an alternative remedy, “simply establishes an 
additional internal mechanism for making decisions about medical necessity and 
identifies who will make that decision in those instances when the HMO and the 

patient’s primary care physician cannot agree on the medical necessity of a course of 
treatment.” 

xvii

  This latter case is currently pending before the U.S. Supreme Court. 

 

HIPAA (Health Insurance Portability and Accountability Act) 

 
A second federal act that established important regulatory requirements for 

private health coverage is HIPAA, enacted in 1996.  HIPAA was motivated by concern 

that people faced lapses in coverage when they change or lose their jobs.  As discussed 
above, health coverage providers often exclude benefits for preexisting health 
conditions for new enrollees.  HIPAA also addressed other concerns of federal 

policymakers about private health coverage.  

 

HIPAA and related standards address several areas, including:  portability, access 

to coverage, renewability, nondiscrimination, and mandated benefits.  The standards 

established by HIPAA vary by market segment (e.g., large group, small group or 
individual coverage) and by type of coverage provider. HIPAA creates separate but 
similar standards for state licensed health insuring organizations and employee welfare 
benefit (i.e., ERISA) plans. Generally, the provisions applicable to employee welfare 

benefit plans and plan sponsors are incorporated into ERISA and into the Internal 
Revenue Code, and the provisions applicable to state licensed health insuring 
organizations are incorporated into the Public Health Services Act.  In addition, the 

HIPAA standards which create individual rights (e.g., portability) and which are 
applicable to state licensed health insuring organizations providing health coverage to 
employee benefit plans also are incorporated into ERISA and the Internal Revenue 

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 18

Code.  Three federal agencies â€“ the U.S. Departments of Labor, Health and Human 
Services, and Treasury -- coordinate rulemaking under HIPAA.

xviii

 

 

Portability.

  As discussed above, some private health coverage excludes 

benefits for treatment of preexisting medical conditions for defined period of 
time after initial enrollment.  HIPAA requires state licensed health insuring 

organizations providing group coverage and employee welfare benefit plans 
providing health benefits to limit preexisting condition exclusion periods to no 
more than 12 months (18 months for late enrollees unless they enroll under 

special circumstances).  Any preexisting condition exclusion period must be 
reduced by the number of months that a newly enrolling person was previously 
covered by public or private health coverage.  For the protection to apply, the 

time between lapse of the previous coverage and enrollment in the new 
coverage must be no longer than 63 days. 
 

Access to coverage.  

HIPAA requires state licensed health insuring 

organizations to make all of their small group products available to any qualifying 
small employer that applies, regardless of their claims experience or of the 
health status of their employees.  Under HIPAA, a small employer is defined as 

having 2 to 50 employees.  HIPAA does not have standards for the premium that 
can be charged to small employers seeking coverage, although, as discussed 
above, most states have laws that limit rate variation in the small group market. 

 
HIPAA also requires state licensed health insuring organizations to accept certain 
people leaving group health coverage for coverage in the individual market 
regardless of their health status and without any exclusion period for preexisting 

medical conditions.  To be eligible, the person must not be eligible for other 
public or private health coverage, have been previously covered for a period of 
at least 18 months, must apply for the individual coverage within 63 days of 

leaving the group coverage, and must have exhausted any federal or state 
continuation rights under their group policy.  States are provided substantial 
flexibility in determining the mechanism for making coverage available to eligible 
people.  For example, in most states, eligible people are guaranteed access to 

coverage in the state’s high-risk pool; private insurers are not required to sell 
coverage to them.  HIPAA generally does not regulate the premiums that people 
can be charged for the coverage that is offered under HIPAA.

xix

 

 
Renewability.

  HIPAA requires state licensed health insuring organizations and 

certain employee benefit plans which provide benefits to multiple employers to 

guarantee that the coverage can be renewed at the end of the period of 
coverage.  This protection generally means that group or individual coverage 
cannot be terminated by the health coverage provider excepted in cases of 
nonpayment of premium and fraud.  HIPAA, however, does not have standards 

for the premiums that may be charged at renewal. 

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 19

 

Nondiscrimination.

  HIPAA prohibits state-licensed health insuring 

organizations providing group coverage and employee welfare benefit plans 
providing health benefits from considering the health status of a member of the 
group in determining the member’s eligibility for coverage or premium 
contribution.  

 
HIPAA was structured in a way that reasonably clearly delineates the state and 

federal roles in enforcing its standards.  As described above, HIPAA standards 

applicable to employee welfare benefit plans and plan sponsors are incorporated into 
ERISA and the Internal Revenue Code, and are enforced by the U.S. Departments of 
Labor and Treasury.  Standards applicable to state licensed health insuring 

organizations generally are incorporated into the Public Health Services Act, and are 
under the jurisdiction of the U.S. Department of Health and Human Services (DHHS).

3

 

HIPAA provides however, that if a state’s law establishes standards for state licensed 
health insuring organizations that are at least as stringent as the HIPAA standard, the 

state is the primary enforcer of the standard, with DHHS having authority to enforce the 
standard if the state does not.  Where a state’s laws do not contain a standard at least 
as stringent as the HIPAA standard, enforcement falls to DHHS.   

   
Although HIPAA establishes generally clear federal and state enforcement 

responsibilities, in practice there have been some difficulties.  The test for when a state 

assumes enforcement responsibility is conducted separately for each different standard 
under HIPAA, which can lead to a patchwork of federal and state enforcement 
responsibilities.

xx

  This is most problematic for federally-mandated benefits. 

 

Other Federal Mandated Benefits

 

 
Although enacted separately from HIPAA, recent federal laws have required 

health coverage providers to cover certain benefits as part of their benefit 
arrangements.  These benefit requirements are incorporated into the same legal 
framework as the HIPAA standards, and include the following:  (1) requiring that health 
coverage providers that provide coverage for mastectomies also to cover breast 

reconstruction surgery following a mastectomy;

xxi

 (2) prohibiting health coverage 

providers from restricting hospital stays following childbirth to less than 48 hours (or 96 
hours following delivery by cesarean section);

xxii

 and (3) restricting the ability of group 

health plans sponsored by employers with at least 50 employees to impose annual and 
lifetime dollar limits for mental health benefits that are more stringent than for medical 
and surgical benefits.

xxiii

  

 
_________________________ 

 

3

 As discussed above, standards for some HIPAA provisions applicable to state licensed health insuring 

organizations providing coverage to employee benefit plans also are incorporated in ERISA, and individuals may 
bring actions under ERISA to enforce those standards. 

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 20

4.  Conclusion 

 

 

 

Health coverage is subject to significant requirements at both the state and 

federal level.  While new laws and regulations have created important protections for 
consumers, they have also produced overlapping and sometimes duplicative or 
conflicting state and federal rules.  At the same time, concerns about managed care 

practices have lead policymakers at both the state and federal levels to consider new 
requirements.  For example, federal proposals to establish a â€œPatient Bill of Rights” 
would establish new standards for both ERISA employee benefit plans and state-

licensed health insuring organizations.  It will be a challenge for policymakers to build 
upon the current state and federal regulatory structure in ways that do not increase the 
confusion for health coverage providers and consumers.  
 

 

Continued interest by policymakers in expanding access to health care and to 

health care coverage may also lead policymakers to revisit current regulatory standards.  
For example, proposals to provide federal tax credits for people purchasing individual 

health insurance are likely to prompt discussion of how to permit people in poorer 
health to have access to private individual coverage so that they can make use of the 
tax credit.  As some state policymakers have discovered in addressing this issue, it will 

be a challenge to find ways to expand access to those in poorer health without 
undermining the stability of risk pools in this market. 
 
 

As federal policy issues increasingly focus on regulation of the private health 

insurance market, there will be greater need for policymakers to understand how this 
market functions and how state and federal rules interact. 
  

 

 
 
 

 
 
 

 
 
 

 
 
 
 

 
 
 

 

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 21

Notes 

                                                 

i

 Unpublished estimates for 2000 prepared by the Urban Institute and the Kaiser Commission on Medicaid and the 

Uninsured, based on verified Current Population Survey data. 

ii

 Ibid. 

iii

 

See

 NAIC’s Compendium of State Laws on Insurance Topics, 

Departmental Regulation of HMOs,

 National 

Association of Insurance Commissioners, 2000.   

iv

 15 U.S.C. 1011-1015. 

v

 

See

 NAIC’s Compendium of State Laws on Insurance Topics, 

Filing Requirements, Health Insurance Laws Forms 

and Rates,

 National Association of Insurance Commissioners, 2000. 

vi

 Ibid. 

vii

 29 U.S.C. 1001 

et. seq. 

viii

 29 U.S.C. 1104(a). 

ix

 See Federal Register, Vol. 65, No. 225, p. 70271. 

x

  29 U.S.C. 1144. 

xi

   

Shaw v. Delta Air Lines, Inc.,

 463 U.S. 85, 96-97 (1983). 

xii

  

District of Columbia v. Greater Washington Bd. of Trade

, 506 U.S. 125 (1992). 

xiii

 

De Buono v. NYSA-ILA Medical and Clinical Services Fund

, 520 U.S. 806 (1997). 

xiv

  

Metropolitan Life Ins. Co. v. Massachusetts

, 471 U.S. 724 (1985). 

xv

  

Unum Life Insurer. Co. of Am. V. Ward,

 526 U.S. 358 (1999). 

xvi

 

Corporate Health Insurance, Inc., v. Texas Department of Insurance,

 215 F.3d 526, 537 (2000). 

xvii

  

Moran v. Rush Prudential HMO, Inc.,

 230 F.3d 959 (2000). 

xviii

 The provisions incorporated into ERISA may be found at 29 U.S.C. 1181 et. seq. ; the provision incorporated 

into the Internal Revenue Code may be found at 26 U.S.C. 9801 et. seq.; the provision incorporated into the Public 
Health Services Act may be found at 42 U.S.C. 300gg et. seq. 

xix

 

See

 General Accounting Office, 

Health Insurance Standards, New Federal Law Creates Challenges for 

Consumers, Insurers and Regulators, 

GAO/HEHS-98-67, February 1998, and General Accounting Office, 

Private 

Health Insurance, Progress and Challenges in Implementing 1996 Federal Standards,

 GAO/HEHS-99-100, May 

1999, pp. 10-16. 

xx

 

See

 General Accounting Office, 

Implementation of HIPAA, Progress Slow in Enforcing Federal Standards in 

Nonconforming States, 

GAO/HEHS-00-85, March 2000.  

xxi

 The Women's Health and Cancer Rights Act of 1998. 

xxii

 The Newborns' and Mothers' Health Protection Act of 1996. 

xxiii

 Mental Health Parity Act of 1996, as extended by P.L. 107-147. 

 

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