In addition, it will make payment and policy changes for inpatient hospital services provided by long-term care hospitals (LTCHs) under the long-term care hospital prospective payment system (LTCH PPS). The CJR-X Model will be mandatory for acute care hospitals, except for those participating in TEAM, and acute care hospitals located in Maryland. These hospitals and units are: Inpatient rehabilitation facility (IRF) hospitals and units; long-term care hospitals (LTCHs); Inpatient psychiatric hospitals (IPF) and units; children's hospitals; cancer hospitals; extended neoplastic disease care hospitals, and hospitals located outside the 50 States, the District of Columbia, and Puerto Rico (that is, hospitals located in the U.S. Virgin Islands, Guam, the Northern Mariana Islands, and American Samoa). of the preamble of the proposed rule includes a descriptive listing of the public use files associated with the proposed rule. Basis for FY 2027 MS-DRG UpdatesThe deadline for interested parties to submit MS-DRG classification change requests for FY 2027 was October 20, 2025.