MedicaidAdministrativeHigh impact
Resumption of Timely Filing Editing May 1, 2021
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
May 1, 2021
We identified it
Jun 20, 2026
Summary
Illinois Medicaid will resume enforcing timely filing deadlines effective May 1, 2021, ending COVID-19 temporary suspension. Claims must be submitted within 180 days for state requirements and within 365 days for federal requirements.
Action Required
By May 1, 2021: Billing team must prioritize submission of all aged Illinois Medicaid claims, starting with oldest claims first. Update claim submission workflows to ensure all traditional Medicaid fee-for-service claims are submitted within 180 days of service date to meet state requirements and within 365 days for federal requirements. Claims submitted after these deadlines will be rejected.