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Update - MassHealth Technical Refresh Initiative Phase I: Batch 270/271 Eligibility Transactions - Implementation October 27, 2019

October 28, 2019

On October 27, 2019, MassHealth replaced its "end of life" HIPAA compliance and translator tool. ALL Providers and Trading Partners who submit and receive 270/271 eligibility transactions will be impacted. You may need to modify your systems as appropriate to comply with the transaction change. If you submit and receive 270/271 eligibility transactions and have not tested with MassHealth, your files may be rejected on or after October 27, 2019.

To assist providers with these changes, MassHealth has developed a quick reference guide of the new compliance requirements. Use this guide to determine the action needed to correct the errors in your submission. The guide is located on at

If you require further assistance, please contact the MassHealth Customer Service Center IMMEDIATELY by email at

If you submit 270/271 files through a vendor, please check the MassHealth Approved List to determine if they have tested with MassHealth prior to this implementation.

MassHealth Approved Vendor List link:

More information on the Technical Refresh Initiative is available on the dedicated Technical Refresh homepage at