Annual Type Of Service (TOS)
Chapter 26 is being revised to include the crosswalk of 2006 Healthcare Common Procedure Coding System (HCPCS) codes to national type
of service (TOS) indicators. Some changes have been made to previous existing HCPCS/TOS combinations. Any additional new codes not included in this instruction will be part of the 2006 HCPCS file and contractors should refer to the 2006 HCPCS file for all new 2006 codes and the applicable TOS.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: October 28, 2005
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