Implementation Information

Please note: The MODWC EDI Claims R3.1 Mandate Date changed from December 5, 2025 to March 20, 2026.

Master Sender ID

Please click on the following link for information on the Master Sender ID.

MODWC Master Sender ID.pdf

Implementation Schedule

Please click on the following link for the MODWC transition from IAIABC Claims Release 1 to IAIABC Claims Release 3.1 Timeline Summary.

MODWC - Verisk Transition Timelines R1.0 to R3.1.pdf (Rev 11/25/2025)

EDI Claims Release 3.1 Testing Requirements

Please click on the following link for the Test Plan.

MODWC Claims Release 3.1 Test Requirements.pdf (Rev 11/25/2025)

Please click on the following link for the Test Feedback Request List

MODWC Claims Release 3.1 Test Feedback Request List.xlsx (Rev 11/25/2025)