Illinois 104th General Assembly Status: Introduced 1 D cosponsors

HB4583      — CD CORR-SUBSTANCE USE DISORDER

Last action — Rule 19(a) / Re-referred to Rules Committee

  1. 1
    Introduced
  2. 2
    In Committee
  3. 3
    Passed House
  4. 4
    Passed Senate
  5. 5
    To Executive
  6. 6
    Enacted

This bill has been introduced in the House. Introduced January 23, 2026. It must pass committee before a floor vote.

Next likely step: a committee referral and hearing.

Odds of enactment

Low chance

Based on the sponsor, cosponsors, and committee posture, this bill has a low chance of becoming law.

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A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Not enough signal yet

Not enough signal yet to read this bill's trajectory — we surface a likelihood only once there's real movement (stage, sponsorship, committee, or votes) to point to.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

Summary

Amends the Unified Code of Corrections. Provides that the Department of Corrections shall ensure all persons under its care are assessed for substance use disorder, as defined in the Substance Use Disorder Act. Provides that this process includes screening and assessment for opioid use disorders. Provides that for a committed person diagnosed with opioid use disorder, the Department shall offer, or facilitate access to, all medication-assisted treatment options deemed appropriate by an authorized health care professional. Provides that the Department shall not impose limitations on the types of medication assisted treatment that may be recommended by an authorized health care professional as part of a treatment plan. Provides that an individual receiving medication-assisted treatment prior to being committed to a Department of Corrections facility shall be entitled to, upon request, continue such treatment in the medication assisted treatment program for any period of time deemed medically necessary by an authorized health care professional. Provides that no person shall be denied participation in medication-assisted treatment program on the basis of a positive drug screening upon entering the Department's custody; nor shall any person receive a disciplinary infraction for such positive drug screen. Provides that no person shall be denied participation in medication-assisted treatment based on prior success or failure of any medication-assisted treatment program. Provides that for each Parole District, the Department shall develop a plan to facilitate access to medication-assisted treatment for persons diagnosed with opioid use disorder in the community following release. Provides that the Department may adopt rules for the implementation of these provisions. Effective January 1, 2027.

Bill Text

We don't have the full text on file for this bill yet.

Read HB4583 on the official Illinois source →

Action History

  1. Rule 19(a) / Re-referred to Rules Committee

  2. Assigned to Appropriations-Public Safety and Infrastructure Committee

  3. Referred to Rules Committee

  4. First Reading

  5. Filed with the Clerk by Rep. Will Guzzardi

Sponsors

Sponsorship breakdown

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1 sponsors · 0 co-sponsors · 182 not signed on

Sponsors (1)

Co-sponsors (0)

None.

Not signed on (182)

182 members have not signed on to this bill.

Show all 182 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does HB4583      do?
Amends the Unified Code of Corrections. Provides that the Department of Corrections shall ensure all persons under its care are assessed for substance use disorder, as defined in the Substance Use Disorder Act. Provides that this process includes screening and assessment for opioid use disorders. Provides that for a committed person diagnosed with opioid use disorder, the Department shall offer, or facilitate access to, all medication-assisted treatment options deemed appropriate by an authorized health care professional. Provides that the Department shall not impose limitations on the types of medication assisted treatment that may be recommended by an authorized health care professional as part of a treatment plan. Provides that an individual receiving medication-assisted treatment prior to being committed to a Department of Corrections facility shall be entitled to, upon request, continue such treatment in the medication assisted treatment program for any period of time deemed medically necessary by an authorized health care professional. Provides that no person shall be denied participation in medication-assisted treatment program on the basis of a positive drug screening upon entering the Department's custody; nor shall any person receive a disciplinary infraction for such positive drug screen. Provides that no person shall be denied participation in medication-assisted treatment based on prior success or failure of any medication-assisted treatment program. Provides that for each Parole District, the Department shall develop a plan to facilitate access to medication-assisted treatment for persons diagnosed with opioid use disorder in the community following release. Provides that the Department may adopt rules for the implementation of these provisions. Effective January 1, 2027.
Who sponsors HB4583     ?
HB4583      is sponsored by Will Guzzardi (Democrat).
What is the current status of HB4583     ?
This bill has been introduced in the House. Introduced January 23, 2026. It must pass committee before a floor vote.
Where can I track HB4583     ?
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Last checked for changes 3 months ago · updated continuously

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