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CERT Reports

Each November, the Department of Health and Human Services (HHS) publishes the improper payment rate in the Agency Financial Report at www.hhs.gov/afr. CMS later publishes more detailed improper payment rate information in the form of the annual Medicare Fee-for-Service (FFS) Improper Payments Report and Appendices. This list contains reports produced by the Comprehensive Error Rate Testing (CERT) program, including the annual Medicare FFS Improper Payments report.

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Report Year Report Name Release Date
2006 Mid-Year Over-Utilized Codes List 05/18/2006
2004 Medicare Fee-for-Service Fiscal Year 2004 Improper Payments Short Report 12/13/2004
2003 Medicare Fee-for-Service Fiscal Year 2003 Improper Payments Short Report 11/15/2003
2004 Medicare Fee-for-Service Fiscal Year 2004 Improper Payments Report 12/17/2004
2003 Medicare Fee-for-Service Fiscal Year 2003 Improper Payments Report 11/15/2003
2006 Medicare Fee-for-Service 2006 Mid-Year Improper Payments Short Report 05/18/2006
2007 Medicare Fee-for-Service 2007 Mid-Year Improper Payments Report 05/15/2007
2006 Medicare Fee-for-Service 2006 Improper Payments Report 11/15/2006
2012 Medicare Fee-for-Service 2012 Improper Payments Report 2013-09-09
2012 Appendices Medicare Fee-for-Service 2012 Improper Payments Report 2014-01-27
2009 Medicare Fee-for-Service 2009 Improper Payments Report 02/02/2010
2004 Over-Utilized Codes List 12/21/2004
2008 Medicare Fee-for-Service 2008 Mid-Year Improper Payments Report 05/15/2008
2011 Appendices Medicare Fee-for-Service 2011 Improper Payments Report 2012-10-02
2004 Appendices Medicare Fee-for-Service Fiscal Year 2004 Improper Payments Report 12/17/2004
2005 Medicare Fee-for-Service 2005 Improper Payments Report 11/15/2005
2011 Medicare Fee-for-Service 2011 Improper Payments Report 2012-10-22
2010 Medicare Fee-for-Service 2010 Improper Payments Report 11/22/2011
2005 Over-Utilized Codes List 11/29/2005
2007 Medicare Fee-for-Service 2007 Improper Payments Report 11/15/2007
2006 Over-Utilized Codes List 11/17/2006
2005 Error Rate Maps 02/09/2006
2004 Error Rate Maps 08/12/2005
2010 Appendices Medicare Fee-for-Service 2010 Improper Payments Report 2012-05-05
2013 Appendices Medicare Fee-for-Service 2013 Improper Payments Report 2014-01-27
2008 Appendices Medicare Fee-for-Service 2008 Mid-Year Improper Payments Report 2008-05-15
2007 Appendices Medicare Fee-for-Service 2007 Improper Payments Report 2007-11-15
2006 Medicare Fee-for-Service 2006 Mid-Year Improper Payments Report 2006-05-18
2005 Medicare Fee-for-Service 2005 Improper Payments Short Report 2005-11-15
2013 Medicare Fee-for-Service 2013 Improper Payments Report 2014-07-24
2014 Appendices Medicare Fee-for-Service 2014 Improper Payments Report 2014-12-15
2014 Medicare Fee-for-Service 2014 Improper Payments Report 2015-07-07
2015 Appendices Medicare Fee-for-Service 2015 Improper Payments Report 2015-12-17
2015 Medicare Fee-for-Service 2015 Improper Payments Report 2016-09-12
2016 Appendices Medicare Fee-for-Service 2016 Improper Payments Report 2016-12-16
2016 Medicare Fee-for-Service 2016 Improper Payments Report 2017-07-27
2017 Medicare FFS Supplemental Improper Payment Data 2018-01-08
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