MedicaidAdministrativeMedium impact
Revised Alpha and Numeric Lists of Pharmaceutical Labelers with Signed Rebate Agreements
Illinois Medicaid - HFS·IL · Pharmacy·Provider Notice
Effective date
Aug 22, 2008
We identified it
Jun 21, 2026
Summary
Updated lists of pharmaceutical labelers with signed Medicaid Drug Rebate Agreements have been released by CMS. 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
Immediately: Pharmacy staff must download and reference the updated alpha and numeric lists of pharmaceutical labelers with signed rebate agreements from the Illinois HFS website. Ensure all drug claims use accurate 11-digit NDC numbers. Maintain purchase invoices for all drug products billed to Medicaid for audit purposes. Contact Pharmacy Unit at 217-782-5565 for questions.