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Medical Loss Ratio

Background

Issue. The Affordable Care Act of 2010 (ACA) established the first minimum medical loss ratio (MLR) standard for many private market health plans and insurers (there were MLR requirements for Medicare Supplement policies before the ACA). The goal of the MLR standard under the ACA is to restrain premium growth by limiting the profits and administrative costs of health insurers. The ACA requires health insurers in the individual and small group markets to spend at least 80% of their premium revenues on clinical care and quality improvements. For the large group market, the MLR requirement is 85%. The ACA requires these plans to provide annual rebates to policyholders if they do not meet MLR requirements.

Overview. The medical loss ratio (MLR) is the share of total health care premiums spent on medical claims and efforts to improve the quality of care.[i] The remainder is the share spent on administration costs and fees, as well as profits earned. Section 2718 of the Public Health Service Act (PHS Act), as amended by the ACA, requires health insurance issuers to annually submit an MLR report to the Secretary of Health and Human Services. If the issuer’s MLR is less than the applicable percentage established in the PHS Act (three-year rolling average), it is required to issue a rebate to enrollees. The MLR rules became effective on January 1, 2011.

The MLR is based on an insurer’s annual aggregate financial allocations within each market (individual, small group, or large group) and state. The MLR does not extend to self-funded health insurance plans, which are plans for which the employer is responsible for the payment of covered claims; “mini-med” plans, which have total annual benefits of $250,000 or less; or expatriate plans (45 CFR § 158.120). The Secretary of Health and Human Services may adjust the MLR standard for a given MLR reporting year if there is a “reasonable likelihood” that an adjustment to the 80% MLR standard would help “stabilize the individual market” in that State (45 CFR § 158.301).

Average MLRs rose significantly from 2011 through 2015, then plummeted by 2018 (Figure 1). For example, in the individual market, the average MLR climbed from 80% in 2011 to 103% in 2015 (Figure 1). By 2018, the average MLR had fallen to 72%. Although the average MLR returned to 79 percent by 2019, it retreated in 2020 back to 72%, likely due to deferred care during the early months of the COVID-19 pandemic and associated reduced medical spending by health insurers. A significant increase in the MLR in 2021 (to 88% in the individual market) is likely due in large part to recoupment of care deferred during the COVID-19 pandemic, as well as a return to normalcy in the demand for medical care. For the health insurance industry, average net premium per member per month increased 3.2% from 2020 to 2021, but underwriting gain and net income declined significantly (but remained positive) (NAIC, U.S. Health Insurance Industry Analysis Report, 2021 Annual Results).  Recoupment is expected to have continued in 2022 and will likely keep average MLR well above its 2018 and 2020 lows into 2023.

Figure 1


If the MLR of an insurer falls below thresholds, the insurer must pay rebates to its consumers proportional to the divergence of the MLR from the threshold. A policyholder is not entitled to a rebate if their specific insurer met the MLR requirement.

In 2012 (2011 plan year), issuers were required to pay 8.5 million consumers a total of $504 million for an average rebate of $98/family [Center for Consumer Information and Insurance Oversight (CCIIO)] (Figure 2). These totals were significantly lower in 2015, when rebates were about $397 million for about 4.9 million families (average of $138/family).[i] MLR rebates are based on a 3-year rolling average. Thus, 2020 plan year rebates (paid in 2021) were calculated using insurers’ financial data for 2018, 2019, and 2020. Total rebates for 2018 (paid in 2019) reached a record $2.5 billion to 11.2 million families (average $219/family).

Figure 2

 

In the midst of the COVID-19 pandemic in 2020, health claims were exceeding low, leading to much lower MLRs. As a result, rebates were substantial, totaling over $2.1 billion and benefitting roughly 9.8 million consumer-families in 2021 (CMS, CCIIO, 2021). An analysis by the Kaiser Family Foundation (KFF) projects rebate of $1.0 billion for the 2021 plan year to be paid in 2022, yielding an average rebate of $128 to 8.2 million consumer-families (KFF, Data Note: 2022 Medical Loss Ratio Rebates, June 1, 2022).

The MLRs charted in Figure 1 are averages across states for each market. For 2020 (payments in 2021), no insurers were required to pay rebates in North Dakota, Rhode Island, and Vermont. Moreover, within any given state, there is significant variance across insurers in rebates required, and the average rebate paid can be misleading on its own. For example, in Oregon, which had the highest average rebate at $647 per consumer-family, only two insurers were required to pay rebates, of which only one was on the individual exchange. The two insurers combined had a very small share of the total market (311 consumer-families were paid refunds), and rebates in aggregate totaled only $201 thousand.

[1]For calculation of the MLR, applicable premiums, medical claims, and quality improvements are defined at 45 CFR § 158.13045 CFR § 158.140, and 45 CFR § 158.150, respectively.

[2]By 2015, rebates were issued based on a three-year rolling average of the MLR, which explains the apparent discrepancy in totals and per family amounts compared with 2012.

Actions

Status. The ACA requires the NAIC to establish uniform definitions and standardize methodologies for calculating the MLR and rebate amounts. A Medical Loss Ratio Blanks Proposal was approved by the NAIC full membership in 2010 in order to capture detailed information that can be used by regulators to  gain a directional sense of a company’s MLR prior to the actual MLR calculation that is submitted by insurance companies through the Health Insurance Oversight System (HIOS) later in the applicable year. Annual Statement Blanks are the actual forms submitted by insurance companies to report financial information to state regulators.

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