G0 HCPCS Level II modifier: Telehealth services for diagnosis, evaluation, or treatment, of symptoms of an acute stroke

G0 is a HCPCS Level II modifier: “Telehealth services for diagnosis, evaluation, or treatment, of symptoms of an acute stroke.” It adds this detail to the code it is reported with.

Official description

G0

Telehealth services for diagnosis, evaluation, or treatment, of symptoms of an acute stroke

Short description: Telestroke

HCPCS · United States

Medicare details

The indicators CMS publishes with G0 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Added
Jan 1, 2019

Where G0 sits

  1. 1GroupHCPCS modifiers
  2. 2Modifier G0Telehealth services for diagnosis, evaluation, or treatment, of symptoms of an acute stroke

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 G0 mean?

G0 is the HCPCS code for “Telehealth services for diagnosis, evaluation, or treatment, of symptoms of an acute stroke” in CMS’s HCPCS Level II October 2026 release.

Where is G0 in the HCPCS Level II list?

G0 is listed under Modifiers.

Does Medicare cover G0?

CMS lists G0’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.