Medicare HETS 270/271 Submitters: 

CMS announces the scheduled installation of the HETS2025-2 release. Please note that this installation will not cause an outage to the Medicare HETS 270/271 eligibility system, but submitters may note minor performance or connectivity issues during the installation. 

The HETS2025-2 release is scheduled to be installed beginning at 9:00 ET on Saturday, June 21, 2025. The HETS 270/271 system will remain available during the installation. CMS estimates that the installation will be completed and verified by 1:00 PM ET on Saturday, June 21, 2025. MCARE will notify all HETS submitters when the installation is complete. 

The HETS2025-2 system release will introduce potential changes to the HETS 270 request and the HETS 271 response.  HETS 270/271 Submitters should carefully review the linked documentation for more information.

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Please contact the MCARE Help Desk if you have any questions or comments.