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Part B Extract Summary System (BESS) Data File

NOTE:  The 2008 Data File is now available as a download.  See Downloads section below.  The download format is CSV (Comma Separated Values):  A data format in which each piece of data is separated by a comma. This is a popular format for transferring data from one application to another, because most database and spreadsheet systems are able to import and export comma-delimited data. CSV files can be opened by the majority of spreadsheet and database programs available.  If opened in Excel, column widths will have to be adjusted. Prior years may be purchased.  

The data sets are summarized by meaningful Healthcare Common Procedure Coding/Current Procedural Terminology, (HCPC/CPT), code ranges. Brief descriptions for the code ranges and modifiers are provided in the readme file. The data set name contains the year followed by a five character sequence that is the HCPC/CPT code. This HCPC/CPT code corresponds to the first HCPC/CPT in the selected code range of disciplines. Within each code range are, procedural, condition, or description subheadings. Each data set displays the allowed services, allowed charges, and payment amounts by HCPC/CPT codes and prominent modifiers. These reports will only illustrate the modifiers where duplicative claim submissions occur. This is to avoid duplicate counting of services. Utilization for modifiers not affected by duplicative counting are collapsed into the Other category on the reports. Therefore, not all Centers for Medicare & Medicaid Services (CMS) published modifiers are illustrated. The file is updated annually and usually available by September for the previous year.

Media: CD ROM
File Cost: $100.00 per year
Available: CY 2000 through 2008

Downloads
The 2008 BESS Data File [WINzipped .csv, 586 MB]  

Readme file [PDF, 88 KB]

Order form and general ordering instructions [WINzipped .csv, 105 KB]
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Page Last Modified: 11/18/2009 8:04:12 AM
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