The list below shows the transmittals that are directed to the ASC provider community, but the list may not include all instructions for which ASC providers are responsible. For a list of all instructions, view the Transmittals web page under Regulations and Guidance.

Sort by: CR # Ascending CR # Descending Release Date Ascending Release Date Descending Subject Ascending Subject Descending Article # Ascending Article # Descending

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CR #	Release Date	Subject	Article #
6129	08/08/2008	New Requirement for Ordering/Referring Information on Ambulatory Surgical Center (ASC) Claims for Diagnostic Services	MM6129
6095	06/20/2008	July 2008 Update to the ASC Payment System; Summary of Payment Policy Changes	N\A
6031	05/23/2008	ASC Manualization	N/A
6004	05/02/2008	Modification of Core-Based Statistical Area (CBSA) Payment Localities for Contractors that Process Ambulatory Surgical Center (ASC) Claims	N/A
5994	04/09/2008	April 2008 Update to the ASC Payment System; Summary of Payment Policy Changes	N/A
5885	01/18/2008	Additional Payable C Drug Codes for January 1, 2008 in ASCs	MM5885
5668	11/26/2007	Adjustment to Payment under Hospital Outpatient Prospective Payment System (OPPS) and Ambulatory Surgical Center (ASC) Payment System for Partial Device Credit	N/A
5680	11/02/2007	Testing and Implementation of 2008 Ambulatory Surgical Center (ASC) Payment System Changes	MM5680
5597	06/29/2007	IOM Pub 100-09, Chapters 3, Provider Inquiries and Chapter 6 - Provider Customer Service Program Updates	MM5597
5285	03/21/2007	Provider/Supplier Enrollment Approval Letters	N/A

Data Last Updated : 11/23/2009
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