Telehealth Service Modifiers
Telehealth modifiers must be submitted with distant site telehealth services. Generally, interactive audio and video telecommunications systems must be used to allow real-time communication between the distant site physician or practitioner and the patient. The patient must be present and actively participating in the telehealth visit.
A List of Telehealth Services is available on the CMS website.
| Modifier | Description | Additional Notes |
|---|---|---|
| 93 | Telehealth modifier defined as "synchronous telemedicine service rendered via telephone or other real-time interactive audio-only telecommunications system." |
Modifier 93 is used for audio-only communication:
RHCs and FQHCs can report either modifier 93 or FQ for services provided by audio-only technology. |
| 95 | Telehealth modifier defined as synchronous telemedicine service rendered via real-time Interactive audio and video telecommunications system. |
Use modifier 95 for:
|
| FQ | The service was furnished using audio-only communication technology. | This modifier is only used by RHCs and FQHCs |
| G0 (zero) | Telehealth services furnished for purposes of diagnosis, evaluation, or treatment of symptoms of an acute stroke. |
Valid for:
Telehealth originating site facility fee, billed with HCPCS code Q3014. |
| GQ | Telehealth service rendered via asynchronous telecommunications system. | Certifying the collection and transmission of the asynchronous medical file at the distant site from a federal telemedicine demonstration conducted in Alaska or Hawaii. |
| GT |
Telehealth service via interactive audio and video telecommunication systems. *
|
*Only allowed on institutional claims billed by CAH method II providers. |
References
-
CMS IOM Pub. 100-04 Medicare Claims Processing Manual, Chapter 12, Section 190
- CMS IOM Pub. 100-04 Medicare Claims Processing Manual, Chapter 39, Section 30.5
- Telehealth.HHS.gov
- Telehealth FAQ - Updated 2/26/2026
- List of Telehealth Services
- CMS Telehealth website
-
MLN Matters Article MM14315, Medicare Physician Fee Schedule Final Rule Summary: CY 2026
-
MLN Matters Article MM13887, Medicare Physician Fee Schedule Final Rule Summary: CY 2025
- Federally Qualified Health Centers (FQHC) Center
- Rural Health Clinics Center