Ambulatory Surgical Center (ASC) Payment System

This file contains a summary of service utilization by ASC supplier and is derived from 2021 ASC line item level data, updated through March 2022, that is, line items for services furnished on or after January 1, 2021 through December 31, 2021 that were received, processed, paid, and passed to the National Claims History file by March 31, 2022.  This file includes 701,523 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 early summer, and again after publication of the OPPS final rule in the Federal Register in late fall. 

Media: DVD
Cost: $1,500

Data Format: Comma separated variable block (CSV) with SAS® read-in program
Available: Final Rule 2023

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

Please follow the instructions on the DUA - Limited Data Sets page.

Page Last Modified:
11/04/2022 11:45 AM