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Ambulatory Surgical Center (ASC) Payment System

This file contains a summary of service utilization by ASC supplier and is derived from 2008 ASC line item level data, updated through June 2009, that is, line items for services furnished on or after January 1, 2008 through December 31, 2008 that were received, processed, paid, and passed to the National Claims History file by June 30, 2009.  This file contains data for ASC services billed in 2008, including services that were added under the revised ASC payment system.  We revised CY 2008 HCPCS (where appropriate) to reflect their CY 2010 payment status and description using an internal CY 2008 to CY 2010 crosswalk file.  This file includes 727,946 records summarized first at the supplier level and then at the HCPCS code level. This is a flat file that is available on DVD.

The ASC LDS file will be available twice a year, once for the NPRM in late spring/early summer, and again for the final rule within a month of publication of the OPPS final rule in the Federal Register. 

Media: DVD
Cost: $1,600   *Reuse fee of $600 effective April 1, 2009

Data Format: Comma separated variable block (CSV) with SAS® read-in program
Available: Final 2010

To browse the record layout, see the Downloads section below.

Instructions on How to Request LDS Data Files are in the Related Links Inside CMS section below.

Downloads

Record Layout [PDF, 24 KB]
Related Links Inside CMS

Instructions on How to Request LDS Data Files
Related Links Outside CMSExternal Linking Policy

There are no Related Links Outside CMS

 

Page Last Modified: 10/23/2009 12:40:25 PM
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