Thank you for your inquiry regarding CMS996: Appropriate Treatment for ST-Segment Elevation Myocardial Infarction (STEMI) Patients in the Emergency Department (ED). Updated Version 6 STEMI measure specifications for the 2026 reporting period have recently been posted to the eCQI Resource Center:
https://ecqi.healthit.gov/ecqm/hosp-outpt/2026/cms0996v6?qt-tabs_measure=measure-information. These updated measure specifications include denominator exceptions for ED encounters with a documented reason for not administering fibrinolytic therapy within 30 minutes of ED arrival or (ii) not performing a PCI within 90 minutes of ED arrival.