MedicaidAdministrativeHigh impact
180 Day Time Limits for Claim Submittal
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
Jul 1, 2012
We identified it
Jun 20, 2026
Summary
Illinois Medicaid now requires all claims to be submitted within 180 days of the date of service, effective July 1, 2012. This applies to both initial and resubmitted claims, with specific exceptions for Medicare crossover claims (24 months), retroactive eligibility, and other special circumstances.
Action Required
Immediately: Update billing workflows to ensure all Illinois Medicaid claims are submitted within 180 days of service date. Configure billing system alerts at 150 days to prevent missed deadlines. Train billing staff on exceptions including Medicare crossover claims (24-month limit), retroactive eligibility claims (180 days from eligibility determination), and hospital inpatient claims (180 days from discharge date). Claims submitted after 180 days will be denied and not paid.