What changes for Medicaid patients in 2027? Starting January 1, 2027, most adults in the ACA Medicaid expansion group must meet work or community engagement requirements to keep coverage, and states must renew their eligibility every six months instead of every twelve. Both come from the 2025 reconciliation law (Public Law 119-21) signed July 4, 2025.
Psychiatry practices that accept Medicaid will feel this directly. Coverage churn means more claims denied for ineligibility, more patients who lose coverage mid-treatment, and more requests for documentation that supports an exemption.
The timeline
- December 2025: CMS issued initial guidance to states.
- March 2026: CMS guidance on transitioning to six-month renewals.
- May 1, 2026: Nebraska became the first state to implement work requirements early.
- June 2026: CMS released an implementation rule, effective July 31, 2026.
- By August 31, 2026: States were required to begin outreach to affected enrollees.
- January 1, 2027: Work requirements and six-month renewals begin in most expansion states. States can request extensions up to December 31, 2028 with a demonstrated good-faith effort.
- Spring 2027: In a state that starts renewals three months before the eligibility period ends, the first coverage losses from work requirements could take effect April 1, 2027.
Who the requirements apply to
Adults ages 19 to 64 in the expansion group, and certain enrollees in 1115 waiver programs, must show 80 hours a month of work, community service, work program participation, or school, or meet an income test. States verify with existing data first, such as payroll and Medicaid claims, before asking the enrollee for documents.
The exemptions that matter for psychiatry
The law exempts several groups, including people who are medically frail. The statute's definition of medically frail specifically includes individuals with a substance use disorder or a disabling mental disorder. People participating in a substance use disorder treatment program are also exempt.
A large share of a psychiatry practice's Medicaid expansion patients will likely qualify. Whether they keep coverage depends on whether the state can see that status. States are expected to rely on claims and diagnosis data where they can, and to ask for documentation where they cannot. Your claims and your notes are part of that evidence.
What practices can do now
- Code diagnoses completely. Specific ICD-10 codes on every claim, including severity and course, give the state the data it needs to identify exempt patients without a form.
- Prepare for exemption documentation requests. Have a standard letter template ready that states the diagnosis, its functional impact, and the treatment plan. Your state may publish its own form; use it when it does.
- Check eligibility before every visit, starting in early 2027. With six-month renewals, a patient eligible in January may lose coverage by summer.
- Tell patients early. A short message explaining that Medicaid renewals are moving to every six months, and that the practice can help with exemption paperwork, keeps patients in care.
- Plan for coverage gaps. Decide in advance how the practice handles a patient mid-treatment who loses coverage: a sliding-scale rate, a referral to a community clinic, or a bridge supply of medication while coverage is restored.
- Watch denial reasons. Eligibility denials will rise first. Track them separately so you can see the trend and resubmit quickly when coverage is restored retroactively.
The bottom line
Many psychiatric patients in the expansion group should be exempt. The practices that keep those patients covered will be the ones with complete diagnosis coding, ready-to-send exemption letters, and eligibility checks built into every visit.