MedicaidAdministrativeMedium impact
Revised Alpha and Numeric Lists of Pharmaceutical Labelers with Signed Rebate Agreements
Illinois Medicaid - HFS·IL · Pharmacy·Provider Notice
Effective date
Aug 18, 2010
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 invoices for audits, regardless of drug acquisition source.
Action Required
Immediately: Pharmacy staff must verify all dispensed medications use accurate 11-digit NDC numbers on claims. Download updated alpha and numeric lists of approved pharmaceutical labelers from the Illinois HFS website. Ensure ability to produce invoices for all drug products billed during audits, regardless of acquisition source.