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
Hospital Nursing Staff Factors for the SCH/MDH Volume Decrease Adjustment	N/A	FY09 Final Notice Data
CBSA Wage Indices	N/A	Other Data Files
ICD 9 Codes	N/A	Other Data Files
MSA Wage Indices	N/A	Other Data Files
Quarterly Provider Specific File	N/A	Other Data Files
MSABEA File	N/A	Other Data Files
Case Mix Index	N/A	Other Data Files
RAND and RTI Reports on Refinements to the IPPS Relative Weights	FY 2009 Proposed Rule	FY09 Proposed Notice Data
Three Year MGCRB Reclassification Data for FY 2010 Applications	FY 2009 Final Rule	FY09 Final Notice Data
Definition of Medicare Code Edits (MCE)	FY 2008 Final Rule	FY08 Final Notice Data
Hospital Acquired Conditions, Trauma Description Codes	FY 2008 Final Rule	FY08 Final Notice Data
Table 6G - Additions to the CC Exclusions List	FY 2008 Final Rule	FY08 Final Notice Data
CC Analysis Data Files	FY 2008 Final Rule	FY08 Final Notice Data
Tables 6A-F	FY 2008 Final Rule	FY08 Final Notice Data
Tables 7A and 7B	FY 2008 Final Rule	FY08 Proposed Notice Data
MS-DRG Summary Table	FY 2008 Final Rule	FY08 Final Notice Data
Table 6H - Deletions from the CC Exclusions List	FY 2008 Final Rule	FY08 Final Notice Data
Crosswalk from CMS DRGs to MS-DRGs	FY 2008 Final Rule	FY08 Final Notice Data
FY 2008 MDC File	FY 2008 Final Rule	FY08 Final Notice Data
Table 5 - List of MS-DRGs, Relative Weighting Factors, and Geometric and Arithmetic Mean Length of	FY 2008 Final Rule	FY08 Final Notice Data

Data Last Updated : 01/27/2010
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