Private Health Insurance:

Data on Application and Coverage Denials

GAO-11-268: Published: Mar 16, 2011. Publicly Released: Mar 16, 2011.

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The large percentage of Americans that rely on private health insurance for health care coverage could expand with enactment of the Patient Protection and Affordable Care Act (PPACA) of 2010. Until PPACA is fully implemented, some consumers seeking coverage can have their applications for enrollment denied, and those enrolled may face denials of coverage for specific medical services. PPACA required GAO to study the rates of such application and coverage denials. GAO reviewed the data available on denials of (1) applications for enrollment and (2) coverage for medical services. GAO reviewed newly available nationwide data collected by the Department of Health and Human Services (HHS) from 459 insurers operating in the individual market on application denials from January through March 2010. GAO also reviewed a year or more of the available data from six states on the rates of application and coverage denials and the rates and outcomes of appeals related to coverage denials. The six states included all states identified by experts and in the literature as collecting data on the rates of application or coverage denials and together represented over 20 percent of private health insurance enrollment nationally. GAO conducted a literature review to identify studies related to application and coverage denials and reviewed data from selected studies. GAO interviewed HHS and state officials and researchers about factors to consider when interpreting the data.

The available data indicated variation in application denial rates, and there are several issues to consider in interpreting those rates. Nationwide data collected by HHS from insurers showed that the aggregate application denial rate for the first quarter of 2010 was 19 percent, but that denial rates varied significantly across insurers. For example, just over a quarter of insurers had application denial rates from 0 percent to 15 percent while another quarter of insurers had rates of 40 percent or higher. Data reported by Maryland--the only of the six states in GAO's review identified as collecting data on the incidence of application denials--indicated that variation in application denial rates across insurers has occurred for several years, with rates ranging from about 6 percent to over 30 percent in each of 3 years. The available data provided little information on the reasons that applications were denied. There are also several issues to consider when interpreting application denial rates. For example, the rates may not provide a clear estimate of the number of individuals that were ultimately able to secure coverage, as individuals can apply to multiple insurers, and the rates do not reflect applicants that have been offered coverage with a premium that is higher than the standard rate. The available data from the six states in GAO's review and others indicated that the rates of coverage denials, including rates of denials of preauthorizations and claims, also varied significantly. The state data indicated that coverage denial rates varied significantly across states, with aggregate rates of claim denials ranging from 11 percent to 24 percent across the three states that collected such data. In addition, rates varied significantly across insurers, with data from one state indicating a range in claim denial rates from 6 percent to 40 percent across six large insurers operating in the state. There are several factors that may have contributed to the variation in rates across states and insurers, such as states varying in the types of denials they require insurers to report. The data also indicated that coverage denials occurred for a variety of reasons, frequently for billing errors, such as duplicate claims or missing information on the claim, and eligibility issues, such as services being provided before coverage was initiated, and less often for judgments about the appropriateness of a service. Further, the data GAO reviewed indicated that coverage denials, if appealed, were frequently reversed in the consumer's favor. For example, data from four of the six states on the outcomes of appeals filed with insurers indicated that 39 percent to 59 percent of appeals resulted in the insurer reversing its original coverage denial. Data from a national study conducted by a trade association for insurance companies on the outcomes of appeals filed with states for an independent, external review indicated that coverage denials were reversed about 40 percent of the time. GAO provided a draft of the report to HHS and the Department of Labor (DOL). HHS agreed with GAO's findings, noting the need to improve the quality and scope of existing data, and suggested clarifications, which were incorporated. HHS and DOL also provided technical comments, which were incorporated as appropriate.

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