The Worker's Compensation division is going to be updating this website. Please refer to the site update documentation for more information.

Electronic Data Interchange (EDI)

As of June 22, 2020 WI will no longer accept SROI CO, 02, S1, and FN transmissions.

Wisconsin has implemented the new pandemic related codes approved by WCIO: Cause Code 83 Pandemic and Nature Code 83 Covid-19.


Electronic Data Interchange (EDI) is viewed by many as a 21st century solution to a paper-intensive system of data exchange. Worker's Compensation recognizes the advantages of EDI, and considers it an integral part of exchanging claim data with insurers and self-insurers.

This overview of EDI provides an insight into the manner in which the Worker's Compensation Division in Wisconsin has embraced this solution. To get started with EDI, access information covering frequently asked questions and technical reference materials view the EDI Resources listed below. Answers to quesions about EDI transmissions and software can be found here.

EDI Resources