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Historical Impact Files for FY 1994 through Present

The list below shows historical impact files. The impact files are generally prepared in the summer preceding the Federal Fiscal year and are based on the best data available at the time. The files are used in estimating payment impacts of various policy changes to the IPPS proposed and finalized in the Federal Register.

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Title Fiscal Year
FY 1994 PPS Payment Impact File 1994
FY 1994 PPS Payment Record Layout 1994
FY 1995 PPS Payment Impact File 1995
FY 1995 PPS Payment Record Layout 1995
FY 1996 PPS Payment Impact File 1996
FY 1996 PPS Payment Record Layout 1996
FY 1999 PPS Payment Record Layout 1999
FY 2000 PPS Payment Impact File 2000
FY 2000 PPS Payment Record Layout 2000
FY 2001 PPS Payment Impact File 2001
FY 2001 PPS Payment Record Layout 2001
FY 2002 PPS Payment Impact File 2002
FY 2002 PPS Payment Record Layout 2002
FY 2003 PPS Payment Impact File 2003
FY 2004 PPS Payment Impact File 2004
FY 2003 PPS Payment Record Layout 2003
FY 2005 Proposed Impact (includes supplemental data) 2005
FY 2005 Final Impact (as of Dec. 30, 2004) 2005
FY 1997 PPS Payment Impact File 1997
FY 1997 PPS Payment Record Layout 1997
FY 1998 PPS Payment Impact File 1998
FY 1998 PPS Payment Record Layout 1998
FY 1999 PPS Payment Impact File 1999
Impact File for IPPS FY 2006 Final Rule 2006
Impact File for IPPS FY 2006 Proposed Rule 2006
Impact file for IPPS FY 2007 Proposed Rule 2007
Impact file for IPPS FY 2007 Final Rule OCTOBER 2006 2007
Impact file for IPPS FY 2008 Final Rule - November 2007 FY 2008 Final Notice Data 2008
Impact File for IPPS FY 2009 Final Rule (September 2008) 2009
Impact File for IPPS FY 2010 Final Rule, Correction Notice and Implementation of ACA 2010
Impact File for IPPS FY 2011 Final Rule 2011
Impact File for IPPS FY 2012 Final Rule 2012
Impact File for IPPS FY 2013 Final Rule 2013
FY 2004 PPS Payment Record Layout 2004