MedicaidAdministrativeHigh impact
Phase-out of Paper Claim Billing
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
Nov 1, 2019
We identified it
Jun 20, 2026
Summary
Illinois Medicaid will no longer accept paper claims without required attachments starting November 1, 2019. All claims that don't need attachments must be submitted electronically through MEDI, X12 standards, or REV systems.
Action Required
By November 1, 2019: Billing team must transition all Illinois Medicaid claims without attachments to electronic submission via MEDI system, X12 837 standards, or REV system. Only submit paper claims if they require specific HFS forms (1624, 1624A, 1977, 2189, 2432, 2803) or other required attachments. Paper claims without required attachments will be returned unprocessed.