MedicaidAdministrativeMedium impact
Update to Chapter 300: Handbook for Electronic Processing
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
Aug 25, 2003
We identified it
Jun 21, 2026
Summary
The Illinois Department of Public Aid has updated Chapter 300: Handbook for Electronic Processing with revised guidance for electronic claims submission and processing. Multiple topics were updated including basic provisions, institutional and professional claims formats (837I/837P), claim status requests, eligibility inquiries, and managed care organization procedures.
Action Required
Immediately: Billing team must obtain the updated August 2003 version of Chapter 300: Handbook for Electronic Processing from the Illinois HFS website or request printed copies. Replace all April 2003 pages with August 2003 versions for Topics 300-309 and new Appendices 4-5. Review updated electronic submission requirements and ensure billing software compliance with revised 837 institutional and professional claim formats.