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  • Medicaid Provider Alert: Provider revalidation has begun and those not completing the process risk disenrollment.  Check your account now to learn when your revalidation is due. More information here.
  • The Cook Central Office, 36 South Wabash Avenue, Chicago, will close 02/03/2025.  The new Cook Central Office will open at 115 South LaSalle, Chicago, for in-person service on 02/10/2025.  
  • ​UPDATE: The State Disbursement Unit (SDU) is processing all payments received. To verify the status of your payment, please log into the SDU parent portal or contact the SDU Customer Service Call Center at 877.225.7077.  For SDU business hours, click here.
Elizabeth M. Whitehorn, Director

Electronic Data Interchange (EDI)

Welcome to the Illinois Department of Healthcare and Family Services Electronic Data Interchange (EDI) informational Web pages. The department will use these pages to communicate EDI-specific information to our providers in a concise and consistent manner.

E-mail Listserv Notification

Register to receive e-mail listserv notifications about EDI-specific informational updates from the Illinois Department of Healthcare and Family Services, Office of Electronic Data Interchange.

X12 5010/NCPDP D.0 Transition

Companion Guides will be posted as completed.

EDI History