The Ultimate Guide to Telehealth CPT Codes in 2025: Billing, Modifiers, and Best Practices

Telehealth has revolutionized healthcare delivery, offering patients and providers flexibility, accessibility, and efficiency. With the rapid expansion of virtual care, understanding Telehealth CPT Codes in 2025 is crucial for accurate billing and reimbursement.

The Centers for Medicare & Medicaid Services (CMS) and private insurers continuously update telehealth billing guidelines. This guide provides an exclusive, in-depth breakdown of the latest Telehealth CPT Codes in 2025, including:

• New and revised codes for virtual visits

• Modifiers required for proper billing

• Phone-only vs. video-based services

• Best practices to avoid claim denials

Whether you’re a physician, coder, or healthcare administrator, this article ensures you stay compliant and maximize reimbursements in 2025.

What Are the Telehealth CPT Codes?

Current Procedural Terminology (CPT®) codes are standardized medical codes used to report medical, surgical, and diagnostic services. Telehealth CPT codes specifically apply to services delivered via telecommunication technology, such as:

• Live video consultations (synchronous)

• Remote patient monitoring (RPM)

• Virtual check-ins (eVisits)

• Telephone-only (audio) services

Key Changes in 2025 Telehealth CPT Codes

(Table 1: Comparison of 2024 vs. 2025 Telehealth CPT Codes)

CMS has also introduced new temporary and permanent telehealth codes to reflect evolving care models.

Telehealth CPT Code Description

1. Synchronous (Live Video) Telehealth Services

These involve real-time audio-visual interactions between provider and patient.

• 99202-99215 (Office/Outpatient Visits) – Used for virtual E/M services.

• G2012 (Brief Virtual Check-In) – For patients who initiate follow-ups.

• 90791-90839 (Psychiatric Services) – Expanded coverage for mental health.

2. Asynchronous (Store-and-Forward) Telehealth

• 99421-99423 (Online Digital E/M Services) – For patient portal communications.

3. Remote Patient Monitoring (RPM)

• 99453, 99454 (Initial Setup & Monitoring) – Covers device provisioning.

• 99457, 99458 (Interactive RPM Management) – For 20+ minutes of monthly monitoring.

Telehealth CPT Codes and Modifiers

Modifiers ensure accurate billing and prevent claim denials. Key 2025 modifiers include:

(Table 2: Essential Telehealth Modifiers for 2025)

Example:

• 99213-95 (Office visit via telehealth)

• 90837-FQ (Psychotherapy via phone)

CPT Billing Codes for Telehealth

Medicare vs. Private Payers

• Medicare: Follows CMS guidelines (GT/GQ modifiers required).

• Private Insurers (Aetna, UnitedHealthcare): May have different policies.

Commonly Billed Telehealth Codes in 2025

• Virtual Check-Ins: G2012, G2010

• Chronic Care Management: 99490, 99439

• Behavioral Health: 90832-90837, HCPCS G0410

Telehealth Phone-Only CPT Codes

While video is preferred, audio-only (telephone) visits are still billable under specific circumstances:

• 99441-99443 (Phone E/M services, 5-30 mins)

• 98966-98968 (Non-physician phone consultations)

• FQ Modifier (For Medicare mental health services)

Limitations:

• Some insurers restrict phone-only reimbursements.

• Documentation must justify the lack of video.

Conclusion

Telehealth CPT codes in 2025 reflect the growing demand for virtual care. Providers must stay updated on new codes, modifiers, and payer policies to ensure compliance and optimal reimbursement. Key takeaways:

✔ Live video visits remain the gold standard for telehealth billing.
✔ Modifiers (95, GT, FQ) are critical for accurate claims.
✔ Phone-only services have expanded but require proper documentation.

By mastering these codes, healthcare professionals can streamline billing and enhance patient access to virtual care.

FAQs

1. Which CPT codes are used for telehealth in 2025?

Common codes include 99202-99215 (office visits), 99441-99443 (phone visits), and 99453-99454 (remote monitoring).

2. Does Medicare cover audio-only telehealth in 2025?

Yes, but only for mental health services (with modifier FQ) and certain rural patients.

3. What is the difference between GT and 95 modifiers?

• GT is for Medicare telehealth claims.

• 95 is used by private insurers for live video visits.

4. Are eVisits (G2061-G2063) different from telehealth visits?

Yes, eVisits involve asynchronous patient portal messages, while telehealth is real-time.

5. How do I bill for remote patient monitoring (RPM)?

Use 99453-99454 for setup and 99457-99458 for monthly monitoring.

Additional Resources

1. CMS Telehealth Services Guide – Official Medicare billing rules.

2. AMA CPT Code Updates – Latest CPT changes.

3. AAPC Telehealth Billing Tips – Expert coding advice.