MedicaidAdministrativeMedium impact
Revised Alpha and Numeric Lists of Pharmaceutical Labelers with Signed Rebate Agreements
Illinois Medicaid - HFS·IL · Pharmacy·Provider Notice
Effective date
May 21, 2009
We identified it
Jun 21, 2026
Summary
Illinois updated the lists of pharmaceutical labelers with signed Medicaid Drug 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 they are using accurate 11-digit NDC numbers for all drug claims. Ensure systems can produce purchase invoices for all drug products billed to Illinois Medicaid during audits. Review current pharmaceutical labeler lists and contact Pharmacy Unit at 217-782-5565 option 7 for questions about covered drugs versus non-drug items like needles, syringes, and diabetic supplies.