Addendum A and Addendum B Updates

Addendum A and Addendum B Updates

Updates of Addendum A and B are posted quarterly to the OPPS website. These addenda are a "snapshot" of HCPCS codes and their status indicators, APC groups, and OPPS payment rates, that are in effect at the beginning of each quarter. The quarterly updates of Addendum A and Addendum B reflect the OPPS Pricer changes that are part of the quarterly OPPS recurring update notification transmittals.

Release Date Subject Year
Addendum A
2024
January 2024
Addendum B
2024
Addendum B
2023
Addendum A
2023
Addendum B
2023
Addendum A
2023
Addendum A
2023
Addendum B
2023
October 2023
Addendum A
2023
October 2023
Addendum B
2023
Addendum A
2022
Addendum B
2022
Addendum A
2022
Addendum B
2022
July 2022
Addendum A
2022
July 2022
Addendum B
2022
Addendum A
2022
Addendum B
2022
January 2021
Addendum B
2021
January 2021
Addendum A
2021
Addendum A
2021
Addendum B
2021
April 2021
Addendum A
2021
April 2021
Addendum B
2021
July 2021
Addendum A
2021
July 2021
Addendum B
2021
October 2021
Addendum A
2021
October 2021
Addendum B
2021
Addendum A
2021
Addendum B
2021
January 2020
Addendum B
2020
January 2020
Addendum A
2020
Addendum A
2020
Addendum B
2020
April 2020
Addendum A
2020
April 2020
Addendum B
2020
April 2020 CORRECTION
Addendum B
2020
July 2020
Addendum A
2020
July 2020
Addendum B
2020
July 2020 CORRECTION
Addendum A
2020
July 2020 CORRECTION
Addendum B
2020
October 2020
Addendum A
2020
October 2020
Addendum B
2020
Addendum A
2020
Addendum B
2020
January 2019
Addendum A
2019
January 2019
Addendum B
2019
April 2019
Addendum A
2019
April 2019
Addendum B
2019
July 2019
Addendum B
2019
July 2019
Addendum A
2019
October 2019
Addendum A
2019
October 2019
Addendum B
2019
Addendum B
2019
Addendum A
2019
January 2018
Addendum B
2018
January 2018
Addendum A
2018
April 2018
Addendum A
2018
April 2018
Addendum B
2018
July 2018
Addendum B
2018
July 2018
Addendum A
2018
October 2018
Addendum B
2018
October 2018
Addendum A
2018
January 2017
Addendum B
2017
January 2017
Addendum A
2017
April 2017
Addendum B
2017
April 2017
Addendum A
2017
July 2017
Addendum A
2017
July 2017
Addendum B
2017
October 2017
Addendum A
2017
October 2017
Addendum B
2017
January 2016
Addendum B
2016
January 2016
Addendum A
2016
April 2016
Addendum B
2016
April 2016
Addendum A
2016
July 2016
Addendum B
2016
July 2016
Addendum A
2016
October 2016
Addendum B
2016
October 2016
Addendum A
2016
January 2015
Addendum A
2015
January 2015
Addendum B
2015
April 2015
Addendum A
2015
April 2015
Addendum B
2015
July 2015
Addendum A
2015
July 2015
Addendum B
2015
October 2015
Addendum B
2015
October 2015
Addendum A
2015
January 2014
Addendum B
2014
January 2014
Addendum A
2014
April 2014
Addendum B
2014
April 2014
Addendum A
2014
July 2014
Addendum A
2014
July 2014
Addendum B
2014
October 2014
Addendum A
2014
October 2014
Addendum B
2014
January 2013
Addendum A
2013
January 2013
Addendum B
2013
April 2013
Addendum B
2013
April 2013
Addendum A
2013
July 2013
Addendum A
2013
July 2013
Addendum B
2013
October 2013
Addendum A
2013
October 2013
Addendum B
2013
January 2012
Addendum B
2012
January 2012
Addendum A
2012
April 2012
Addendum B
2012
April 2012
Addendum A
2012
July 2012
Addendum B
2012
July 2012
Addendum A
2012
October 2012
Addendum B
2012
October 2012
Addendum A
2012
January 2011
Addendum A
2011
January 2011
Addendum B
2011
October 2011
Addendum A
2011
July 2011
Addendum B
2011
July 2011
Addendum A
2011
April 2011
Addendum A
2011
April 2011
Addendum B
2011
October 2011
Addendum B
2011
05/18/2010
Revised April 2010 Update to reflect Affordable Care Act 05/18/2010- Addendum A
2010
January 2010
Addendum B
2010
July 2010
Addendum B
2010
05/18/2010
Revised January 2010 Update to reflect Affordable Care Act 05/18/2010- Addendum B
2010
October 2010
Addendum B
2010
January 2010
Addendum A
2010
05/18/2010
Revised January 2010 Update to reflect Affordable Care Act 05/18/2010- Addendum A
2010
05/18/2010
Revised April 2010 Update to reflect Affordable Care Act 05/18/2010- Addendum B
2010
October 2010
Addendum A
2010
July 2010
Addendum A
2010
October 2009
OPPS Update CR6626
2009
January 2009
Addendum B
2009
April 2009
Addendum A
2009
July 2009
OPPS Update CR6492
2009
July 2009
Addendum A
2009
January 2009
OPPS Update CR6320
2009
July 2009
Addendum B
2009
January 2009
Addendum A
2009
October 2009
Addendum B
2009
October 2009
Addendum A
2009
April 2009
OPPS Update CR6416
2009
April 2009
Addendum B
2009
January 2008
Addendum A
2008
July 2008
Addendum A
2008
January 2008
OPPS Update CR5912
2008
July 2008
Addendum B
2008
April 2008
Addendum A
2008
January 2008
Addendum A
2008
July 2008
OPPS Update CR6094
2008
January 2008
Addendum B
2008
October 2008
OPPS Update CR6196
2008
October 2008
Addendum A
2008
October 2008
Addendum B
2008
January 2008
Addendum B
2008
April 2008
Addendum B
2008
July 2007
Addendum A
2007
January 2007
OPPS Update, CR5438
2007
January 2007
Addendum A
2007
January 2007
Addendum B
2007
April 2007
OPPS Update CR5544
2007
April 2007
Addendum A
2007
October 2007
OPPS Update CR5304
2007
October 2007
Addendum A
2007
October 2007
Addendum B
2007
April 2007
Addendum B
2007
July 2007
OPPS update, CR5623
2007
July 2007
Addendum B
2007
April 2006
Addendum A
2006
April 2006
Addendum B
2006
October 2006
Addendum A
2006
October 2006
Addendum B
2006
January 2006
Addendum A
2006
January 2006
OPPS Update, CR4250 (Transmittal 804)
2006
July 2006
Addendum A
2006
July 2006
OPPS Update, CR5121
2006
January 2006
Addendum B
2006
April 2006
OPPS update, CR5011 (Transmittal 896)
2006
July 2006
Addendum B
2006
October 2006
OPPS Update CR5304
2006
October 2005
OPPS update, CR4035
2005
July 2005
Addendum B
2005
April 2005
Addendum A
2005
April 2005
Table 4b
2005
October 2005
Addendum A
2005
April 2005
Addendum B
2005
July 2005
OPPS update, CR3915
2005
April 2005
OPPS update, CR3756
2005
April 2005
Additions and Corrections to CMS-1427-FC Addendum B Payment Rates
2005
October 2005
Addendum B
2005
July 2005
Addendum A
2005
April 2004
OPPS update, CR3144
2004
April 2004
OPPS update, CR3154
2004
October 2004
Addendum B
2004
October 2004
OPPS update, CR3420
2004
July 2004
Addendum B
2004
July 2004
OPPS update, CR3324
2004
July 2004
Addendum A
2004
July 2004
OPPS update, CR3322
2004
October 2004
Addendum A
2004
April 2004
OPPS release
2004
April 2004
OPPS update, CR3145
2004
Page Last Modified:
12/27/2023 08:11 AM