States gain option to cover uninsured people with mental illness, substance use disorders

What it does

This bill creates a new optional Medicaid category for states to cover uninsured individuals earning up to 100% of the federal poverty line who have been diagnosed with serious mental illness, serious emotional disturbance, opioid use disorder, or stimulant use disorder. Eligible individuals receive full Medicaid coverage for an initial 12-month period, renewable annually at state discretion, provided they have a care plan developed within 60 days of enrollment and states report on behavioral health quality measures.

Why we flagged it

The bill's sole operative mechanism is to add a new optional Medicaid eligibility category for states. It does not mandate coverage, does not appropriate funds, and does not alter existing Medicaid rules for other populations—it simply creates a state option to cover a previously ineligible group.

What the text implies

• Expansion is entirely optional for states; uptake will vary by state fiscal capacity and political will, creating potential disparities in access to treatment across state lines.
• Care plan requirement (60-day window) may create administrative burden on providers and states, potentially delaying enrollment or creating bottlenecks in behavioral health systems.
• Annual redetermination requirement allows states to disenroll individuals who no longer meet income thresholds, creating churn and potential gaps in continuity of care.
• Bill does not specify funding mechanism or federal match rate; Medicaid match rates typically range 50–90% depending on state, so federal cost and state fiscal impact are not transparent from bill text alone.

Section numbers refer to the bill text the analysis read — linked under Primary records below.

Who it affects

Uninsured individuals with serious mental illness and substance use disorders gain access to Medicaid coverage if their state opts in, removing a significant barrier to treatment and care. The bill imposes no new restrictions on existing beneficiaries and creates no new costs for citizens; it is purely an expansion of voluntary state options.

Who stands to gain

• Behavioral health providers (community mental health centers, certified community behavioral health
• Emergency departments and hospitals (expanded Medicaid coverage may reduce uncompensated care)
• Primary care and clinical practices (expanded patient base with insurance coverage)

Named in the bill

Social Security Act, Title XIX (Medicaid), Certified Community Behavioral Health Clinics, Institutions for Mental Diseases, State Medicaid agencies, Protecting Access to Medicare Act of 2014, Section 223

Where it stands

• Dec 2, 2025 — Introduced · Congress.gov: “Introduced in Senate”
• Dec 2, 2025 — Referred to Senate Committee on Finance · Congress.gov: “Read twice and referred to the Committee on Finance”

Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.

Money around this bill

1 lobbying clients named this bill on 2 disclosure filings across 2 quarters, Dec 2025 to Jun 2026. Those filings disclosed $1,715,904 in lobbying spend. A filing names 49 bills on average, so that figure is what each filing reported, not a share belonging to this bill.

More lobbying clients named this bill than 0% of bills with at least one filing.

Marsha Blackburn, the sponsor, reported $133,620 in PAC receipts in the 2026 cycle.

• American Academy of Family Physicians — $1,715,904 on 2 filings

Lobbying Disclosure Act filings through Jul 15, 2026. A filing shows who paid to lobby on a bill it names, not what changed.