GU HCPCS Level II modifier: Waiver of liability statement issued as required by payer policy, routine notice

GU is a HCPCS Level II modifier: “Waiver of liability statement issued as required by payer policy, routine notice.” It adds this detail to the code it is reported with.

Official description

GU

Waiver of liability statement issued as required by payer policy, routine notice

Short description: Liability waiver rout notice

HCPCS · United States

Medicare details

The indicators CMS publishes with GU in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Added
Jan 1, 2011

Where GU sits

  1. 1GroupHCPCS modifiers
  2. 2Modifier GUWaiver of liability statement issued as required by payer policy, routine notice

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 GU mean?

GU is the HCPCS code for “Waiver of liability statement issued as required by payer policy, routine notice” in CMS’s HCPCS Level II October 2026 release.

Where is GU in the HCPCS Level II list?

GU is listed under Modifiers.

Does Medicare cover GU?

CMS lists GU’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.