{"abstract":"This final rule updates the payment rates for inpatient rehabilitation facilities (IRFs) for Federal fiscal year (FY) 2010 (for discharges occurring on or after October 1, 2009 and on or before September 30, 2010) as required under section 1886(j)(3)(C) of the Social Security Act (the Act). Section 1886(j)(5) of the Act requires the Secretary to publish in the Federal Register on or before the August 1 that precedes the start of each fiscal year, the classification and weighting factors for the IRF prospective payment system's (PPS) case-mix groups and a description of the methodology and data used in computing the prospective payment rates for that fiscal year. We are revising existing policies regarding the IRF PPS within the authority granted under section 1886(j) of the Act.","action":"Final rule.","agencies":[{"raw_name":"DEPARTMENT OF HEALTH AND HUMAN SERVICES","name":"Health and Human Services Department","id":221,"url":"https://www.federalregister.gov/agencies/health-and-human-services-department","json_url":"https://www.federalregister.gov/api/v1/agencies/221","parent_id":null,"slug":"health-and-human-services-department"},{"raw_name":"Centers for Medicare & Medicaid Services","name":"Centers for Medicare & Medicaid Services","id":45,"url":"https://www.federalregister.gov/agencies/centers-for-medicare-medicaid-services","json_url":"https://www.federalregister.gov/api/v1/agencies/45","parent_id":221,"slug":"centers-for-medicare-medicaid-services"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2009/08/07/E9-18616.html","cfr_references":[{"chapter":null,"citation_url":null,"part":412,"title":42}],"citation":"74 FR 39762","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"Effective Date. The provisions of the final rule are effective October 1, 2009, except for the amendments to Sec. 412.23, Sec. 412.29, and Sec. 412.622 which are effective January 1, 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