Modifier G0

Use to identify telehealth services furnished for purposes of diagnosis, evaluation, or treatment of symptoms of an acute stroke.

Correct Use

Modifier G0 (G zero) to indicate outside of geographic location

  • Telehealth distant site codes billed with Place of Service (POS) code 02 or Critical Access Hospitals, CAH method II (revenue codes 096X, 097X, or 098X); or
  • Telehealth originating site facility fee, billed with HCPCS Q3014
  • Add mobile stroke units as originating sites and not to apply originating site type or geographic requirements for beneficiaries with acute stroke



Last Updated Oct 31 , 2022