MedicaidAdministrativeMedium impact
March 2004 Update to Chapter 300: Handbook for Electronic Processing
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
Apr 1, 2004
We identified it
Jun 21, 2026
Summary
The Illinois Department of Health and Family Services updated multiple sections of their electronic processing handbook for Medicaid providers. This affects electronic billing formats including institutional claims (837I), professional claims (837P), pharmacy claims (NCPDP), payment advice (835), claim status inquiries (276/277), eligibility verification (270/271), managed care organization processes, and billing edits/rejections.
Action Required
Immediately: Illinois Medicaid providers must download and replace outdated handbook pages from their electronic processing manual. Access updated March 2004 versions at the Illinois HFS website or request paper copies by mail/fax. Update billing system configurations to align with new electronic processing requirements for all transaction types (837, 835, 276/277, 270/271, NCPDP).