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Modifier SG Fact Sheet


Services Performed at an Ambulatory Surgical Center (ASC) facility

Appropriate Use

  • Do not use for dates of service January 1, 2008 and after.


Refer to the Centers for Medicare & Medicaid Services (CMS) Internet Only Manuals (IOM) Publication 100-04 cChapter 14Adobe Portable Format document Ambulatory Surgical Centers (ASCs) for more specific information relating to ASC services.

Page Last Updated: Wednesday, 09-Oct-2013 12:57:49 CDT