Grandfathered plans are health insurance plans that were already in effect as of March 23, 2010, when the Affordable Care Act was signed into law. In the individual market, they are plans that already covered the policyholder as of that date, and in the employer-sponsored market, they are plans that the employer had already implemented as of that date, and has continuously offered ever since, with at least one covered employee at all times.
Employees can join an employer’s existing grandfathered plan, but grandfathered plans have not been available for purchase (in the individual market, or by an employer) since the ACA was signed into law.
Most people with grandfathered coverage have employer-sponsored coverage. As of 2020, less than 7% of grandfathered plan enrollees were in the individual market.
Grandfathered plans don’t have to comply with several significant ACA provisions. They do not have to cover preventive care with no cost-sharing, and they do not have to cap out-of-pocket costs. Grandfathered plans cannot, however, impose lifetime benefit limits on any essential health benefits that they cover (they aren’t required to cover essential health benefits though), must allow insureds to keep their children on the plan until age 26, and must abide by the ACA’s medical loss ratio rules (unless they’re self-insured, as MLR rules don’t apply to self-insured plans).
Grandfathered plans are allowed to remain in force indefinitely — neither the state nor the federal government can force them to end. But insurers can make the decision to terminate grandfathered plans, and some have done so, including Humana, Blue Shield of California, and Blue Cross Blue Shield of North Carolina. As time goes by and the pool of people on grandfathered plans shrinks and ages (since nobody new can join grandfathered plans), insurers will be less likely to keep those plans in force. This is particularly true in the individual market, since no new members can join those plans unless they’re a new dependent being added to a family’s existing plan. But in the employer-sponsored market, new employees can join an existing grandfathered plan, keeping the overall membership pool from becoming stagnant.
The ACA specifically provides for the indefinite continuation of grandfathered plans, which is what President Obama was talking about when he said people would be able to keep their pre-ACA plans if they wanted to. Note that grandfathered plans are not the same as grandmothered plans.
In order to retain grandfathered status, a plan cannot have been substantially changed since the ACA was enacted, and there are limits on how much cost-sharing can increase and how benefits can change.
In February 2019, the Departments of the Treasury, Labor, and Health & Human Services published a request for comments on whether there should be rule changes to make it easier for employer-sponsored grandfathered plans to retain their grandfathered status going forward. As of 2020, about 14% of workers with employer-sponsored health plans were enrolled in grandfathered plans. (The request for comments did not pertain to individual market grandfathered health plans, and the subsequent rule changes do not either.)
So it was not surprising when the Trump administration published a proposed rule in July 2020 that included two modifications that would make it easier for employer-sponsored grandfathered plans to make changes to their coverage and still retain their grandfathered status. The administration accepted public comments on the proposed rule changes through mid-August, but received just 13 comments. The proposed rule was finalized in December 2020 with very few modifications, although the effective date was pushed out to June 15, 2021:
The rule changes do not apply to grandfathered plans in the individual/family market, but the vast majority of grandfathered plans are in the group market, where the rule changes do apply. But again, especially with the newly revised guidance on how the premium adjustment percentage is calculated, the updated rules for cost-sharing modifications on employer-sponsored grandfathered plans are unlikely to have a dramatic impact.
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