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Technical Refresh Phase 1 Testing Now Through 9/20/2019

August 5, 2019

Phase I Trading Partner Testing (TPT) is currently underway and will continue until 9/20/2019. MassHealth Electronic Data Interchange (EDI) Trading Partners, including Providers, Billing Intermediaries/Clearinghouses (BI/CH), and software vendors (SWVs), must prepare for and participate in the Technical Refresh Phase I TPT. Specifically, the test validates the successful transmission and receipt of the transaction as well as the corresponding HIPAA (999/TA1) Implementation Acknowledgement for Health Care Insurance. If you currently submit and receive the following HIPAA transaction you must participate in TPT to validate compliance:

-Health Care Benefit Inquiry and Response (270/271)

All Trading Partners must complete the following activities immediately in order to prepare for TPT and implementation that is scheduled for 9/30/2019:

-Visit to review the important information, download and review the updated MassHealth Companion Guides, and assess any impacts to your business processes and systems making modifications where appropriate.

-Prepare and submit your first test file by August 23, 2019.

-Attend one of the weekly Office Hours sessions to discuss testing issues and to receive MassHealth TPT Updates. For registration instructions please visit Partner Education at

Please note that after 9/30/2019 your 270/271 transactions may be rejected if you do not fully comply with the Technical Refresh requirements.

If you have any questions regarding this message, please contact the MassHealth EDI team at 1-800-841-2900 or If you are not the person within your organization that handles EDI testing, please forward this information along to the appropriate area, including your vendor.