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Hospital Outpatient PPS

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
April 2006 Addendum A 2006
April 2006 Addendum B 2006
April 2006 OPPS update, CR5011 (Transmittal 896) 2006
January 2006 Addendum A 2006
January 2006 Addendum B 2006
January 2006 OPPS Update, CR4250 (Transmittal 804) 2006
October 2005 Addendum A 2005
October 2005 Addendum B 2005
October 2005 OPPS update, CR4035 2005
July 2005 Addendum A 2005
July 2005 Addendum B 2005
July 2005 OPPS update, CR3915 2005
April 2005 Addendum A 2005
April 2005 Addendum B 2005
April 2005 Table 4b 2005
April 2005 OPPS update, CR3756 2005
April 2005 Additions and Corrections to CMS-1427-FC Addendum B Payment Rates 2005
October 2004 Addendum A 2004
October 2004 Addendum B 2004
October 2004 OPPS update, CR3420 2004
July 2004 Addendum A 2004
July 2004 Addendum B 2004
July 2004 OPPS update, CR3322 2004
July 2004 OPPS update, CR3324 2004
April 2004 OPPS release 2004
April 2004 OPPS update, CR3144 2004
April 2004 OPPS update, CR3145 2004
April 2004 OPPS update, CR3154 2004
July 2006 Addendum A 2006
July 2006 Addendum B 2006
July 2006 OPPS Update, CR5121 2006
October 2006 OPPS Update CR5304 2006
October 2006 Addendum A 2006
October 2006 Addendum B 2006
January 2007 Addendum A 2007
January 2007 Addendum B 2007
January 2007 OPPS Update, CR5438 2007
January 2011 Addendum A 2011
January 2011 Addendum B 2011
January 2008 Addendum A 2008
October 2009 OPPS Update CR6626 2009
July 2007 OPPS update, CR5623 2007
July 2007 Addendum A 2007
July 2007 Addendum B 2007
July 2008 Addendum A 2008
July 2008 Addendum B 2008
January 2009 OPPS Update CR6320 2009
October 2010 Addendum B 2010
July 2009 Addendum A 2009
July 2009 Addendum B 2009
July 2009 OPPS Update CR6492 2009
January 2009 Addendum A 2009
January 2009 Addendum B 2009
July 2008 OPPS Update CR6094 2008
January 2008 Addendum A 2008
January 2008 Addendum B 2008
April 2008 Addendum A 2008
January 2008 OPPS Update CR5912 2008
April 2008 Addendum B 2008
October 2010 Addendum A 2010
05/18/2010 Revised April 2010 Update to reflect Affordable Care Act 05/18/2010- Addendum B 2010
05/18/2010 Revised April 2010 Update to reflect Affordable Care Act 05/18/2010- 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 January 2010 Update to reflect Affordable Care Act 05/18/2010- Addendum B 2010
October 2007 Addendum B 2007
October 2007 OPPS Update CR5304 2007
April 2011 Addendum A 2011
April 2011 Addendum B 2011
January 2010 Addendum A 2010
January 2010 Addendum B 2010
October 2007 Addendum A 2007
October 2009 Addendum A 2009
October 2009 Addendum B 2009
April 2009 OPPS Update CR6416 2009
April 2009 Addendum A 2009
April 2009 Addendum B 2009
July 2010 Addendum A 2010
July 2010 Addendum B 2010
October 2008 Addendum B 2008
October 2008 Addendum A 2008
October 2008 OPPS Update CR6196 2008
April 2007 Addendum B 2007
April 2007 OPPS Update CR5544 2007
April 2007 Addendum A 2007
January 2008 Addendum B 2008
October 2011 Addendum B 2011
October 2011 Addendum A 2011
July 2011 Addendum A 2011
July 2011 Addendum B 2011
January 2012 Addendum A 2012
January 2012 Addendum B 2012
April 2012 Addendum A 2012
April 2012 Addendum B 2012
July 2012 Addendum A 2012
July 2012 Addendum B 2012
October 2012 Addendum A 2012
October 2012 Addendum B 2012
January 2013 Addendum A 2013
January 2013 Addendum B 2013
April 2013 Addendum A 2013
April 2013 Addendum B 2013