CPT Modifier · Telehealth

Modifier GT

Synchronous telemedicine service rendered via real-time interactive audio and video telecommunications systems

✅ When to Use Modifier GT

Via interactive audio and video telecommunication systems

⛔ When NOT to Use Modifier GT

Use 95 for commercial payers

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Coding Tips for Modifier GT

Real-world specialist guidance from the PayerReady Medical Coding Team, including audit triggers, denial patterns, and payer policy variations.

Legacy telehealth modifier, replaced by 95 for most fee-for-service Medicare claims since 2017. Some Medicaid plans and CAH method II billing still require GT, do not assume 95 is universal.

Modifier GT FAQ

What does modifier GT mean? +

Synchronous telemedicine service rendered via real-time interactive audio and video telecommunications systems

When should I use modifier GT? +

Via interactive audio and video telecommunication systems

When should I NOT use modifier GT? +

Use 95 for commercial payers

What documentation is required for modifier GT? +

Complete chart documentation supporting the modifier's clinical or billing rationale.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on May 31, 2026.

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