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MedicaidAdministrativeMedium impact

Revised Alpha and Numeric Lists of Pharmaceutical Labelers with Signed Rebate Agreements

Illinois Medicaid - HFS·IL · Pharmacy·Provider Notice
Effective date
Aug 16, 2011
We identified it
Jun 21, 2026
Days to comply

Summary

Updated lists of pharmaceutical labelers with signed Medicaid Drug Rebate Agreements are now available from 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

Action needed
Immediately: Pharmacy billing staff must verify all drug claims use accurate 11-digit NDC numbers from the updated CMS pharmaceutical labeler lists. Ensure invoice documentation is available for all billed drug products for audit purposes. Contact Illinois Pharmacy Unit at 217-782-5565 option 7 for questions about the Medical Assistance drug program.