UQ HCPCS Level II modifier: Four patients served
UQ is a HCPCS Level II modifier: “Four patients served.” It adds this detail to the code it is reported with.
Official description
UQFour patients served
HCPCS · United States
Notes for UQ
As CMS prints them, with any note UQ 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 UQ in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jan 1, 2004
Where UQ sits
- 1GroupHCPCS modifiers
- 2Modifier UQFour 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 UQ mean?
UQ is the HCPCS code for “Four patients served” in CMS’s HCPCS Level II October 2026 release.
Where is UQ in the HCPCS Level II list?
UQ is listed under Modifiers.
Does Medicare cover UQ?
CMS lists UQ’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 UQ
All modifiersUGServices provided in the afternoonUHServices provided in the eveningUJServices provided at nightUKServices provided on behalf of the client to someone other than the client (collateral relationship)UNTwo patients servedUPThree patients servedURFive patients servedUSSix or more patients servedV1Demonstration modifier 1V2Demonstration modifier 2V3Demonstration modifier 3V4Demonstration modifier 4