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

• 05/18/12: HFS supports using Java Version 7 Update 4 to access the Medi/IEC Web site.

• 04/02/12: Effective April 6, 2012, MEDI/IEC Direct Data Entry (DDE) users may Void/Replace, or Void Professional (837P) claims.

• 03/26/12: HFS will continue to accept 4010 transactions: 270, 276, 837I and 837P, until April 30, 2012.

• 03/07/12: The HFS process for creating 5010 - 999 Functional Acknowledgements was not working properly from September 2011 to February 2012.

• 12/08/11: Effective Immediately - all 5010 electronic claims will be subject to a strict adherence to payor sequencing.

• 12/07/11: The MEDI/IEC 5010 270/271 Batch transaction limitations.

• 10/18/11: MEDI/IEC Direct Data Entry (DDE) Screens have been updated