MedicaidAdministrativeMedium impact
Revised Alpha and Numeric Lists of Pharmaceutical Labelers with Signed Rebate Agreements
Illinois Medicaid - HFS·IL · Pharmacy·Provider Notice
Effective date
May 27, 2011
We identified it
Jun 21, 2026
Summary
Illinois Medicaid updated the 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
Immediately: Pharmacy billing staff must verify use of accurate 11-digit NDC numbers on all Medicaid drug claims. Ensure systems capture correct NDC format. Maintain purchase invoices for all drug products billed to Illinois Medicaid for audit purposes, regardless of acquisition source.