MedicaidBilling CodesHigh impact
Requirement of National Drug Codes (NDC)
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
Aug 1, 2005
We identified it
Jun 21, 2026
Summary
Starting August 1, 2005, Illinois Medicaid requires 11-digit National Drug Codes (NDC) to be reported for all administered or dispensed drugs on electronic and paper claims, in addition to existing HCPCS code requirements.
Action Required
By August 1, 2005: Billing team must update all claim submission processes to include 11-digit NDC codes for administered or dispensed drugs. For electronic claims (837P) and Direct Data Entry: continue reporting HCPCS codes alongside NDC codes. For paper claims (DPA 2360, DPA 1443): report HCPCS code on one service line and NDC on the following service line. Update billing software and encounter forms to capture NDC information. Claims without NDC codes will not receive appropriate reimbursement.