MedicaidReimbursementMedium impact
Update to Rate Changes for Administration of COVID-19 Vaccine – Effective for Dates of Service Beginning January 1, 2024
Illinois Medicaid - HFS·IL · Family Medicine, General Practice, Internal Medicine +1 more·Provider Notice
Effective date
Jan 1, 2024
We identified it
Jun 20, 2026
Summary
Illinois Medicaid has approved new reimbursement rates for COVID-19 vaccine administration effective January 1, 2024. Previously held fee-for-service claims from January 1st onward have been released for processing at the revised rates.
Action Required
Immediately: Billing team should verify that any COVID-19 vaccine administration claims with dates of service from January 1, 2024 onward are being processed at the new Illinois Medicaid rates. Monitor claim payments to ensure proper reimbursement amounts. Contact Bureau of Professional and Ancillary Services at 877-782-5565 if payment discrepancies are identified.