Medicare HETS - Upcoming HETS2025-2 System Release – 6/21/2025

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Medicare HETS - Upcoming HETS2025-2 System Release – 6/21/2025
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HETS 270/271

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.

Note that the scheduled date for the related CWF production deployment is now July 13, 2025; HETS will not return any prior service history for HCPCS 90684 on the 271 response until after the CWF data feed is updated on July 13, 2025.

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