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What is it about?
This study examined how Medicaid hearing aid coverage for adults changed across the United States from 2003 to 2023. Medicaid is a public health insurance program, but adult hearing aid benefits are optional and vary widely by state. The study focused on Medicaid fee-for-service programs, meaning traditional Medicaid programs in which the state pays providers directly for covered services, rather than coverage managed through a private health plan. To better understand changes over time, the authors created a longitudinal database of state Medicaid hearing aid coverage policies for adults over age 20. They used policy surveillance, a systematic way of collecting and coding laws and policies, and combined these policy data with American Community Survey data to estimate how many adult Medicaid beneficiaries lived in states with hearing aid coverage. The study found that 32 states offered adult Medicaid hearing aid coverage in 2003. This dropped to 27 states by 2013 and rose to 31 states by 2023.
Why is it important?
Hearing aids can be an important part of care for adults with hearing loss, but they are often expensive and not consistently covered by insurance. This study shows that Medicaid hearing aid coverage for adults has changed over time and remains highly dependent on where a person lives. Even when national estimates suggest that about 70% of adult Medicaid beneficiaries live in states with coverage, that still leaves many adults without this benefit. It also means that access to hearing care may depend less on clinical need and more on state policy. For audiologists and other hearing health professionals, these findings highlight why insurance coverage must be part of conversations about access to care. A patient may be an appropriate hearing aid candidate, but coverage rules can shape whether hearing aids are realistic, affordable, or timely. For researchers and policymakers, the study provides a database that can be updated and used to evaluate policy change over time. This matters because improving hearing health care requires more than demonstrating that hearing treatment is beneficial. It also requires understanding whether people can obtain the care they need through existing systems.