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If you have Medicaid and you are trying to start medication for opioid addiction, the medication your plan actually spells out in its member materials may depend on which state you live in.
A study published in JAMA Health Forum found wide variation in what Medicaid managed care plans documented covering, and the gaps were largest for the medication that is often hardest to get in the first place.
This matters for Medicaid rehab coverage in a practical way. If a medication is not listed in your plan’s materials, that does not always mean you cannot get it.
It does mean you may have to ask directly, and you should know what you are entitled to before you do.
What the Study Looked At
Researchers from the University of South Carolina, Boston University and Brandeis University reviewed all comprehensive Medicaid managed care plans that covered adults aged 18 to 64 in 2023 and operated in states where those plans manage opioid addiction medication benefits.
They pulled preferred drug lists and member handbooks directly from plan websites in December 2023. Coverage, for the purposes of this study, meant the medication appeared in those member-facing materials.
That came to 180 plans across 31 states and Washington, DC, covering 37.1 million enrollees.
What They Found
Buprenorphine was documented by nearly every plan: 175 of 180, or 97.2%, reaching 98.4% of enrollees in the study.
Extended-release naltrexone was documented by 143 plans, or 79.4%, reaching 84.8% of enrollees.
Methadone was documented by 85 plans, or 47.2%, reaching 52.8% of enrollees. Fewer than half.
Only 67 plans, 37.2% of the total, documented coverage of all three medications. Those plans covered 17.3 million enrollees, or 46.6%. And in 10 states, no plan reported covering all three.
Why This Matters for Access
The 2018 SUPPORT Act required Medicaid managed care plans to cover all three opioid addiction medications, buprenorphine, extended-release naltrexone and methadone, for a five-year period beginning October 1, 2020. The study period falls inside that window.
The authors are careful about what the gap means. Inconsistency between what plans published and what federal rules require does not necessarily mean plans decided to ignore the law.
Delays in implementing legislation are common, and it is possible the findings reflect materials that had not caught up rather than benefits that were denied.
For someone reading a member handbook to figure out what is covered, though, the distinction is thin. If methadone is not in the document, most people will assume it is not available and stop looking.
That matters because methadone and buprenorphine are not interchangeable. Both reduce overdose death and help people stay in treatment. For some people, particularly those with long histories of opioid use or high tolerance, methadone works when buprenorphine does not.
Who Qualifies for Free or Low-Cost Treatment
Medicaid is the largest payer for addiction treatment in the country, and eligibility is broader than many people expect. In states that expanded Medicaid, adults under 65 generally qualify based on income alone, with no requirement to have children or a disability.
If you do not qualify for Medicaid, other paths exist. Federally Qualified Health Centers offer care on a sliding scale based on income, and many provide medication for opioid addiction directly. State-funded treatment programs serve people who are uninsured.
Addiction treatment programs that dispense methadone often accept Medicaid, and some offer reduced fees.
How to Access These Resources
Start by calling the member services number on your Medicaid card and asking three specific questions. Ask whether the plan covers methadone, buprenorphine and extended-release naltrexone.
Ask whether any of them require prior authorization. Ask what the process is to request a medication that is not on the preferred drug list.
If you are told a medication is not covered, ask for that in writing and ask about the appeals process. Medicaid plans are required to have one.
If you are uninsured, your state’s Medicaid agency can tell you whether you qualify and help you apply. Many treatment programs will also help with enrollment at intake.
SAMHSA’s National Helpline at 1-800-662-4357 is free and confidential, available 24 hours a day, and can refer you to treatment programs and state-funded services in your area regardless of insurance status. If you or someone you know is in crisis, 988 reaches the Suicide and Crisis Lifeline.
Finding Free and Low-Cost Rehabs Near You
Cost and coverage should not be the reason someone does not start treatment, and in most cases they do not have to be. Publicly funded programs, sliding-scale clinics and Medicaid-accepting providers exist in every state, though what is available varies considerably by location.
Rehabs.org lists free, low-cost and Medicaid-accepting treatment programs nationwide, searchable by state and city, along with plain-language guides to Medicaid, Medicare and other payment options. Call
800-914-7089
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to learn more about your treatment options today.
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