V3 HCPCS Level II modifier: Demonstration modifier 3
V3 is a HCPCS Level II modifier: “Demonstration modifier 3.” It adds this detail to the code it is reported with.
Official description
V3Demonstration modifier 3
HCPCS · United States
Medicare details
The indicators CMS publishes with V3 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jan 1, 2017
Where V3 sits
- 1GroupHCPCS modifiers
- 2Modifier V3Demonstration modifier 3
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 V3 mean?
V3 is the HCPCS code for “Demonstration modifier 3” in CMS’s HCPCS Level II October 2026 release.
Where is V3 in the HCPCS Level II list?
V3 is listed under Modifiers.
Does Medicare cover V3?
CMS lists V3’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 V3
All modifiersUPThree patients servedUQFour patients servedURFive patients servedUSSix or more patients servedV1Demonstration modifier 1V2Demonstration modifier 2V4Demonstration modifier 4V5Vascular catheter (alone or with any other vascular access)V6Arteriovenous graft (or other vascular access not including a vascular catheter)V7Arteriovenous fistula only (in use with two needles)V8Infection presentV9No infection present