24Facility
Ambulatory Surgical Center
A freestanding facility, other than a physician's office, where surgical and diagnostic services are provided on an ambulatory basis.
Frequently asked questions
What is Place of Service code 24?
POS 24 is "Ambulatory Surgical Center" — A freestanding facility, other than a physician's office, where surgical and diagnostic services are provided on an ambulatory basis.
Is POS 24 facility or non-facility?
POS 24 (Ambulatory Surgical Center) is a facility code. Medicare pays the lower facility rate on the physician fee schedule for services billed with this POS code.
Other Place of Service codes
01Pharmacy02Telehealth Provided Other than in Patient's Home03School04Homeless Shelter05Indian Health Service Free-standing Facility06Indian Health Service Provider-based Facility07Tribal 638 Free-standing Facility08Tribal 638 Provider-based Facility09Prison/Correctional Facility10Telehealth Provided in Patient's Home
View all POS codes →POS codes from CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.