MedicaidAdministrativeLow impact
Revised Alpha and Numeric Lists of Pharmaceutical Labelers with Signed Rebate Agreements
Illinois Medicaid - HFS·IL · Pharmacy·Provider Notice
Effective date
Jun 3, 2008
We identified it
Jun 21, 2026
Summary
The Illinois Medicaid program has updated the alphabetic and numeric lists of pharmaceutical labelers with signed rebate agreements. Pharmacies must use accurate 11-digit NDC numbers when billing and be prepared to provide purchase invoices during audits, regardless of drug acquisition source.
Action Required
Pharmacy staff should download the updated alphabetic and numeric lists of pharmaceutical labelers from the Illinois HFS website. Ensure all drug claims use accurate 11-digit NDC numbers and maintain purchase invoices for audit purposes. Contact Illinois Pharmacy Unit at (217) 782-5565 for questions about the Medical Assistance drug program.