HCPCS Modifier SG
Published 07/16/2020
Description
Ambulatory surgical center (ASC) facility service.
Guidelines and Instructions
For dates of service on or after January 1, 2008, HCPCS modifier SG is no longer required on claims from ASCs for facility charges.
Reference: IOM Pub. 100-04, Chapter 14 (PDF, 182 KB).