US HCPCS Level II modifier: Six or more patients served
US is a HCPCS Level II modifier: “Six or more patients served.” It adds this detail to the code it is reported with.
Official description
USSix or more patients served
HCPCS · United States
Notes for US
As CMS prints them, with any note US takes from the headings above it.
Note
- CMS processing note 0114: FOR MEDICARE PURPOSES, MODIFIERS UN-US WOULD BE REPORTED WITH R0075.
Medicare details
The indicators CMS publishes with US in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jan 1, 2004
Where US sits
- 1GroupHCPCS modifiers
- 2Modifier USSix or more patients served
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 US mean?
US is the HCPCS code for “Six or more patients served” in CMS’s HCPCS Level II October 2026 release.
Where is US in the HCPCS Level II list?
US is listed under Modifiers.
Does Medicare cover US?
CMS lists US’s Medicare coverage as “Carrier judgment”. 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 US
All modifiersUJServices provided at nightUKServices provided on behalf of the client to someone other than the client (collateral relationship)UNTwo patients servedUPThree patients servedUQFour patients servedURFive patients servedV1Demonstration modifier 1V2Demonstration modifier 2V3Demonstration modifier 3V4Demonstration modifier 4V5Vascular catheter (alone or with any other vascular access)V6Arteriovenous graft (or other vascular access not including a vascular catheter)