ADMINISTRATIVE CODE

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  4. CHAPTER IV: DEPARTMENT OF HUMAN SERVICES
TITLE 89: SOCIAL SERVICES
CHAPTER IV: DEPARTMENT OF HUMAN SERVICES
SUBCHAPTER e: EARLY CHILDHOOD SERVICES
PART 500 EARLY INTERVENTION PROGRAM
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SUBPART A: GENERAL PROVISIONS

Section 500.10 Purpose
Section 500.15 Incorporation by Reference
Section 500.20 Definitions

SUBPART B: COMPONENTS OF THE STATEWIDE SYSTEM

Section 500.25 Public Awareness and Child Find
Section 500.30 Central Directory
Section 500.35 Local Interagency Councils
Section 500.40 Illinois Interagency Council on Early Intervention
Section 500.45 Regional Intake Entities
Section 500.50 Eligibility
Section 500.55 Early Intervention Services/Devices
Section 500.60 Provider Qualifications/Credentialing and Enrollment
Section 500.65 Monitoring

SUBPART C: SERVICE DELIVERY REQUIREMENTS

Section 500.70 Intake
Section 500.75 Eligibility Determination
Section 500.80 Individualized Family Service Plan Development
Section 500.85 Individualized Family Service Plan Implementation
Section 500.90 Individualized Family Service Plan Updating
Section 500.95 Case Transfer
Section 500.100 Transition to Part B or Other Appropriate Services at Age Three
Section 500.105 Case Closure
Section 500.110 Recordkeeping
Section 500.115 Service Provider Requirements

SUBPART D: FINANCIAL MATTERS

Section 500.120 Billing Procedures
Section 500.125 Payor of Last Resort
Section 500.130 Family Fee/Insurance

SUBPART E: PROCEDURAL SAFEGUARDS/CLIENT RIGHTS

Section 500.135 Minimum Procedural Safeguards
Section 500.140 Request for a Due Process Hearing
Section 500.145 Mediation
Section 500.150 Confidentiality/Privacy
Section 500.155 Right to Consent
Section 500.160 Surrogate Parents
Section 500.165 Written Prior Notice
Section 500.170 State Complaint Procedure

Section 500.APPENDIX A Sliding Fee Schedule

Section 500.APPENDIX B Assessment Instruments (Repealed)
Section 500.APPENDIX C Requirements for Professional and Associate Level Early Intervention (EI) Credentialing and Enrollment to Bill
Section 500.APPENDIX D Use of Associate Level Providers
Section 500.APPENDIX E Medical Conditions Resulting in High Probability of Developmental Delay (not an exclusive list)
AUTHORITY: Implementing and authorized by the Early Intervention Services System Act [325 ILCS 20] and Part C of the Individuals with Disabilities Education Act (IDEA) (20 U.S.C. 1400).
SOURCE: Adopted at 25 Ill. Reg. 8190, effective July 1, 2001; amended at 27 Ill. Reg. 2611, effective February 7, 2003; amended at 27 Ill. Reg. 13438, effective July 24, 2003; amended at 28 Ill. Reg. 8727, effective June 1, 2004; amended at 29 Ill. Reg. 2254, effective January 31, 2005; amended at 32 Ill. Reg. 2161, effective January 23, 2008; amended at 33 Ill. Reg. 8206, effective June 8, 2009; amended at 38 Ill. Reg. 11086, effective May 12, 2014; amended at 39 Ill. Reg. 14900, effective October 27, 2015; amended at 40 Ill. Reg. 9491, effective June 29, 2016; amended at 44 Ill. Reg. 12739, effective July 20, 2020; amended at 47 Ill. Reg. 1318, effective January 12, 2023; amended at 49 Ill. Reg. 8450, effective June 5, 2025; amended at 49 Ill. Reg. 14654, effective October 30, 2025.