Illinois HB 4583: CD CORR-SUBSTANCE USE DISORDER

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104TH GENERAL ASSEMBLY 
State of Illinois 
2025 and 2026
HB4583

Introduced 2/3/2026, by Rep. Will Guzzardi 

SYNOPSIS AS INTRODUCED:

730 ILCS 5/3-6-9 new

 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-assis