The following public use data files were used in the preparation of the IPPS Final and/or Proposed Rules. Files available on this page include Case Mix Index, DRG weights and supporting data, ICD-9 Codes, IPPS Impact analysis, the Provider Specific file and County/MSA/CBSA crosswalk file. Data files specific to the wage index may be accessed on our wage index page (please see link under the "Related Links Inside CMS" section of the details page).

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Title	Fiscal Year	Type of Data File
AOR	2007	FY07 Final Notice Data
AOR - File Used to Develop Charge Weights to Calculate Blended Cost/Charge Weights	FY 2008	FY08 Proposed Notice Data
AOR/BOR	FY 2008	FY08 Proposed Notice Data
AORBOR	2006	FY06 Final Notice Data
AORBOR	2006	FY06 Proposed Notice Data
AORBOR	2005	FY05 Final Notice Data
AORBOR	2007	FY07 Proposed Notice Data
Appendix C and Appendix D	2007	FY07 Proposed Notice Data
BOR	2007	FY07 Final Notice Data
CAH List for FY 2007 Proposed Rule	2007	FY07 Proposed Notice Data

Data Last Updated : 08/31/2009
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