Telehealth Billing Guide 2026: Codes, Modifiers, and Payer Rules
Telehealth billing in 2026 is not optional complexity — it is the daily reality for any practice that sees patients remotely. The most common and most expensive errors are preventable: wrong modifier, wrong place of service code, outdated code set, missing prior authorization. This guide covers the exact rules for Medicare and major commercial payers so your telehealth claims go out clean the first time.
Modifier 95 vs Modifier 93: Getting It Right Every Time
This is the most common source of preventable telehealth denials in 2026, and the rule is straightforward once you understand what each modifier describes:
| Modifier | Description | When to Use |
|---|---|---|
| Modifier 95 | Synchronous Telemedicine Service Rendered via Real-Time Interactive Audio and Video | Standard telehealth visits with audio + video — the default for most telehealth claims |
| Modifier 93 | Synchronous Telemedicine Service Rendered via Telephone or Other Real-Time Interactive Audio-Only Communications Technology | Audio-only (telephone) visits only — when no video component is present |
The compliance risk: billing modifier 95 when the visit was audio-only is overcoding. CMS can recoup payments if audio-only visits are systematically billed under the audio-video modifier. Document clearly which modality was used and apply the corresponding modifier.
Commercial payer caveat: Many commercial payers do not recognize modifier 93. Some require audio-only visits to be billed as telephone E&M codes (99441–99443) rather than with the telehealth modifier framework at all. Verify payer-specific telehealth policy before billing audio-only visits to commercial insurance.
Place of Service 02 vs POS 10
Place of service determines reimbursement rates and is required for every telehealth claim. The distinction is the patient's location, not the provider's.
| POS Code | Definition | Use When |
|---|---|---|
| POS 02 | Telehealth — Other Than Patient's Home | Patient is at a telehealth hub site, clinic, or any location other than their home |
| POS 10 | Telehealth — Patient's Home | Patient is receiving the service from their own home — the most common scenario for post-COVID telehealth |
Why this matters for reimbursement: Medicare pays the non-facility rate for POS 10 (patient's home). The non-facility rate is typically higher than the facility rate, which applies under POS 02. Using the wrong POS code can result in underpayment (if POS 02 is used when POS 10 should apply) and claim rejection if the payer's system cannot reconcile the submitted data with the POS code.
2026 Medicare Telehealth: What Changed
Telehealth Services List Updates
CMS updates the Medicare Telehealth Services List annually as part of the Physician Fee Schedule. The 2026 list includes permanent additions in behavioral health and ongoing extensions for services originally added as COVID-era temporary flexibilities. Key areas of expanded coverage include:
- Behavioral health services — mental health visits, SUD treatment, and opioid treatment program services maintain expanded telehealth coverage as permanent benefits
- Mental health integration services (Collaborative Care Model, Behavioral Health Integration codes)
- Initial and subsequent hospital care, nursing facility visits — extended through the current coverage period
- Cardiac and pulmonary rehabilitation — extended for telehealth delivery
The verification rule: before billing any service via telehealth to Medicare, confirm the specific CPT code is on the current Medicare Telehealth Services List. A service not on the list is not covered regardless of modifier. The list is published at CMS.gov and is updated each calendar year.
New and Revised RPM Codes Effective 2026
Remote Patient Monitoring saw significant code structure changes effective January 1, 2026. Practices billing RPM under the pre-2026 coding framework are submitting with incorrect codes:
| Code | Description | Status in 2026 |
|---|---|---|
| 99453 | Remote monitoring setup and patient education (device setup) | Revised — updated documentation requirements |
| 99454 | Device supply with daily recording (minimum 16-day monitoring period) | Revised — 16-day minimum per 30-day period enforced |
| 99445 | Remote therapeutic monitoring — musculoskeletal conditions | New add-on code (2026) |
| 99470 | Remote therapeutic monitoring — respiratory conditions | New add-on code (2026) |
| Billing note | RTM codes (99445/99470) require qualified healthcare professional review and treatment management — not billable by non-clinical staff alone | |
RHC and FQHC Telehealth Change — October 1, 2026
Effective October 1, 2026, Rural Health Clinics and Federally Qualified Health Centers face a billing rule change for telehealth services. The October 2026 change requires RHCs and FQHCs to bill telehealth services under the same fee-for-service structure as other Medicare providers for most telehealth codes, moving away from the All-Inclusive Rate method for these services. Practices operating under RHC or FQHC designations must update billing workflows before the October 1 effective date to avoid systemic claim rejections.
Mental Health Telehealth: Special Rules
Behavioral health and mental health telehealth have the most complex payer-specific rules in the entire telehealth landscape.
Medicare Mental Health Telehealth
- In-person requirement for psychotherapy: Medicare requires an initial in-person visit within the first six months of mental health telehealth treatment, and a follow-up in-person visit at least every twelve months thereafter. Document and bill the in-person visit separately from telehealth visits.
- Audio-only mental health visits: Medicare covers audio-only mental health visits (without video) when the patient has a documented inability or unwillingness to use video technology. Coverage is extended through 2026 and may be made permanent. Document the reason for audio-only delivery in the clinical record.
- Qualified providers: mental health telehealth under Medicare must be furnished by a physician, NP, PA, clinical psychologist, licensed clinical social worker, certified nurse specialist, CRNA, or CNM — within their scope of practice. Marriage and family therapists and mental health counselors gained Medicare coverage as of 2024.
Commercial Payer Mental Health Telehealth
Most commercial payers have parity requirements under state and federal mental health parity laws that require telehealth mental health services to be covered on the same terms as in-person mental health services when telehealth is a covered benefit. However, the specific codes covered, cost-sharing rules, and prior authorization requirements differ by plan and by state. Obtain and document payer-specific telehealth policies annually.
Commercial Payer Telehealth Differences
| Payer | Key Telehealth Policy Notes |
|---|---|
| UnitedHealthcare | Telehealth covered for most plans; uses modifier 95 standard; prior auth required for some telehealth specialists; own telehealth platform (Virtual Care) has separate billing rules |
| Aetna | Broad telehealth coverage post-COVID; audio-only coverage varies by plan; prior auth requirements differ by specialty; behavioral health telehealth broadly covered |
| Cigna | Telehealth covered; network requirements apply — out-of-network telehealth may not be covered even with modifier; MDLive integration creates plan-specific rules for some employer plans |
| BlueCross BlueShield | Policy varies significantly by local plan; some BCBS plans use modifier GT alongside standard modifiers; verify with specific regional plan |
| Medicaid (state) | Telehealth coverage and billing rules are state-determined — 50 different sets of rules. Some states reimburse at 100% of in-person rates; others pay a reduced fee. Check state Medicaid telehealth policy directly. |
| Rule for all | Verify payer-specific telehealth policy at least annually — policies changed frequently and will continue to evolve |
Top Telehealth Denial Reasons — and How to Prevent Them
| # | Denial Reason | Prevention |
|---|---|---|
| 1 | Missing or incorrect modifier (no 95 or 93 appended) | Add telehealth modifier as a required field in your billing workflow — hard stop before submission |
| 2 | Wrong place of service code (02 vs 10) | Capture patient location at time of service — in the scheduling or intake form |
| 3 | CPT code not on payer's covered telehealth list | Maintain a payer-specific covered code reference; review annually when payer updates policy |
| 4 | Provider not credentialed in the patient's state | Cross-state credentialing must precede first telehealth claim — track provider licensure and enrollment state by state |
| 5 | Prior authorization not obtained (commercial plans) | Verify prior auth requirements for telehealth per payer at scheduling — many commercial plans require PA for specialist telehealth |
| 6 | Audio-only visit billed as audio+video (modifier mismatch) | Document visit modality in the clinical record and carry it through to the billing modifier — use modifier 93 for telephone-only |
| 7 | Duplicate billing — telehealth and in-person on same day | Claims editing logic should flag same-day in-person + telehealth combinations for review before submission |
Frequently Asked Questions
What is the difference between modifier 95 and modifier 93 in telehealth billing?
Modifier 95 indicates synchronous telemedicine delivered via audio and video — the standard telehealth modifier for most payers. Modifier 93 is for audio-only telehealth (telephone-only visits) and is required when delivering services without a video component. Using modifier 95 for an audio-only visit is a compliance risk. Many commercial payers do not recognize modifier 93 — verify payer policy before billing audio-only claims.
What is the difference between POS 02 and POS 10 in telehealth?
Place of Service 02 applies when the patient is at a location other than their home — such as a telehealth hub. Place of Service 10 applies when the patient is in their own home, which is the most common scenario for standard telehealth visits. Using the wrong POS code causes both claim rejections and potential underpayment, since Medicare reimburses POS 10 at the higher non-facility rate.
What telehealth services did Medicare expand for 2026?
The 2026 Medicare Physician Fee Schedule expanded behavioral health telehealth permanently, added mental health integration codes, and extended COVID-era temporary telehealth flexibilities for hospital care and rehabilitation services. Always verify against the current CMS Telehealth Services List — it is updated each year and the specific covered codes change.
What are the new RPM codes for 2026?
Add-on codes 99445 and 99470 for remote therapeutic monitoring of musculoskeletal and respiratory conditions respectively were added in 2026. Codes 99453 and 99454 for device setup and daily monitoring were revised with updated documentation requirements. Billing RPM under the prior-year code structure results in denials — verify current code descriptions and rates in the 2026 MPFS.
Why are most telehealth claims denied?
The most common causes are: wrong or missing modifier (no 95 or 93 appended), incorrect place of service code (POS 02 vs 10), service not on the payer's covered telehealth code list, provider not credentialed in the patient's state, and prior authorization not obtained for commercial telehealth visits that require it. All five are preventable with the right front-end workflow.
Do commercial payers cover the same telehealth services as Medicare?
No. Commercial telehealth coverage varies significantly by payer, plan, and state. Most major payers retained substantial telehealth expansions from the COVID period, but the specific covered codes, required modifiers, prior authorization rules, and patient cost-sharing differ. Obtain and verify payer-specific telehealth billing policies at least annually — policies continue to evolve.
The 2026 ABA RCM Benchmark Report includes telehealth-specific denial rates, clean claim rates, and AR data across specialties where telehealth is a significant revenue stream.
Get the 2026 Benchmark Report →