[ALERT] Availability of PECOS AI and PI in the Validation Environment, 9/11/25

Centers for Medicare & Medicaid Services

This message is for users of the PECOS AI and PI applications in the Validation environment.

Please be advised that PECOS AI and PI applications will be unavailable in the Validation environment this afternoon, Thursday, 9/11/25, for urgent maintenance. The PECOS AI and PI applications in the Validation environment will be unavailable from 4:00pm-5:00pm EST. This outage is in addition to the scheduled maintenance window from this morning.

Thank you.

PECOS UAT and Production Support Teams

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