SU HCPCS Level II modifier: Procedure performed in physician's office (to denote use of facility and equipment)
SU is a HCPCS Level II modifier: “Procedure performed in physician's office (to denote use of facility and equipment).” It adds this detail to the code it is reported with.
Official description
SUProcedure performed in physician's office (to denote use of facility and equipment)
Short description: Performed in phys office
HCPCS · United States
Medicare details
The indicators CMS publishes with SU in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Not payable by Medicare
- Added
- Jan 1, 2003
Where SU sits
- 1GroupHCPCS modifiers
- 2Modifier SUProcedure performed in physician's office (to denote use of facility and equipment)
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code SU mean?
SU is the HCPCS code for “Procedure performed in physician's office (to denote use of facility and equipment)” in CMS’s HCPCS Level II October 2026 release.
Where is SU in the HCPCS Level II list?
SU is listed under Modifiers.
Does Medicare cover SU?
CMS lists SU’s Medicare coverage as “Not payable by Medicare”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside SU
All modifiersSLState supplied vaccineSMSecond surgical opinionSNThird surgical opinionSQItem ordered by home healthSSHome infusion services provided in the infusion suite of the iv therapy providerSTRelated to trauma or injurySVPharmaceuticals delivered to patient's home but not utilizedSWServices provided by a certified diabetic educatorSYPersons who are in close contact with member of high-risk population (use only with codes for immunization)SZHabilitative servicesT1Left foot, second digitT2Left foot, third digit