CMS published a notice on March 13, 2013 correcting previous technical errors to the Medicare inpatient prospective payment systems (IPPS) final rulemaking for FY 2013. Among other things, CMS is correcting statistics on the Hospital Readmissions Reduction Program with regard to (1) the amount by which payments to hospitals would be reduced; and (2) the number of hospitals that will have their base operating DRG payments reduced by the readmissions adjustment.