Telehealth Billing for Therapists: The Definitive Guide (2026)

Telehealth isn't a pandemic workaround anymore. In 2026, it's a permanent, regulated, and heavily scrutinized line of service — and if your billing doesn't reflect that reality, you're either leaving money on the table or walking straight into an audit.

This guide covers everything practicing therapists, LPCs, LCSWs, LMFTs, and psychiatrists need to know about billing telehealth correctly in 2026: the right CPT codes, modifiers, platform requirements, payer-specific rules, documentation standards, and the compliance landmines most clinicians don't see coming until it's too late.

Let's get into it.

Why Telehealth Billing Is Still a Mess in 2026

Here's the honest truth: telehealth billing is complicated because the rules are layered. Federal law sets a floor. State law adds walls. Each commercial payer builds its own room inside those walls — with different furniture.

Since the COVID-19 Public Health Emergency ended, payers have been rolling back, extending, and rewriting telehealth policies at different speeds. Medicare made several telehealth flexibilities permanent through the end of 2026 via the Consolidated Appropriations Act. Medicaid rules vary by state — sometimes dramatically. And commercial payers like Aetna, Cigna, UnitedHealthcare, and BlueCross BlueShield each have provider manuals that contradict each other in ways that would make your head spin.

The result? Claim denials, underpayments, and compliance exposure — often for practices that are doing everything right clinically but wrong administratively.

This guide gives you a working framework to fix that.

Telehealth CPT Codes for Behavioral Health (2026)

Most behavioral health telehealth visits are billed using the same CPT codes as in-person visits. The difference is in how you signal where the service happened — that's what modifiers and Place of Service codes are for.

Here are the core CPT codes you'll use:

Psychotherapy (Individual)

90832 — Psychotherapy, 16–37 minutes
90834 — Psychotherapy, 38–52 minutes
90837 — Psychotherapy, 53+ minutes

Psychotherapy with E/M (for prescribers adding therapy)

90833 — Add-on: 16–37 min psychotherapy with E/M
90836 — Add-on: 38–52 min psychotherapy with E/M
90838 — Add-on: 53+ min psychotherapy with E/M

Psychiatric Evaluation

90791 — Psychiatric diagnostic evaluation (no medical services)
90792 — Psychiatric diagnostic evaluation with medical services

Group Therapy

90853 — Group psychotherapy (not family)

Family Therapy

90847 — Family psychotherapy with patient present
90846 — Family psychotherapy without patient present

Crisis Services

90839 — Psychotherapy for crisis, first 30–74 minutes
90840 — Add-on: each additional 30 minutes

Important: The time-based rules for 90832, 90834, and 90837 are strict. If you document 50 minutes, bill 90834. If you bill 90837 but your notes show 48 minutes, that's a documentation-billing mismatch — one of the most common audit triggers.

Telehealth Modifiers: Getting This Right Matters

Modifiers tell the payer how the service was delivered. Using the wrong modifier — or skipping it entirely — causes denials or flags your claims for review.

The Two You'll Use Most

Modifier 95 — Synchronous telemedicine service rendered via real-time interactive audio and video telecommunications system. This is the standard modifier for live video telehealth.

Modifier GT — Via interactive audio and video telecommunication systems. This one is primarily for Medicare Advantage and some state Medicaid programs. Check your specific payer contract.

Place of Service (POS) Codes

| POS Code | Description | When to Use | |----------|-------------|-------------| | 02 | Telehealth — patient not in their home | Patient at a clinic, school, or other facility | | 10 | Telehealth — patient in their home | Patient receiving services from home (most common) | | 11 | Office | In-person visits at your office |

POS 10 became the standard for home-based telehealth in 2022 and remains so in 2026. If you've been using POS 02 for all telehealth, you may have billing errors worth reviewing.

Payer-by-Payer Telehealth Rules (2026 Snapshot)

This is where things get granular. Here's a working summary of major payer policies as of 2026:

Medicare

Live video telehealth for behavioral health is permanently authorized for beneficiaries in any location, including their home
Audio-only services (phone-only) for behavioral health are extended through December 31, 2026 — requires modifier 93 and specific documentation that audio-video was not available or appropriate
Behavioral health providers must be enrolled in Medicare and the patient's state's Medicaid program if applicable
Mental health visit parity with in-person reimbursement rates applies

Medicaid

Highly variable by state — always verify with your state's Medicaid fee schedule
Most states cover live video; audio-only coverage varies widely
Some states (e.g., California, New York, Texas) have robust telehealth parity laws; others do not
FQHC and RHC billing rules apply differently — check if you're contracted with federally qualified health centers

UnitedHealthcare

Covers telehealth for behavioral health under most commercial plans
Requires POS 10 for home-based sessions; POS 02 for facility-based
Modifier 95 required; GT may be accepted for legacy plans
Telehealth parity law compliance varies by state/plan type

Aetna

Covers individual and group telehealth therapy
Requires prior authorization for some intensive outpatient (IOP) telehealth services
Behavioral health telehealth claims must use modifier 95 + appropriate POS
Audio-only coverage limited and plan-dependent

Cigna

Strong telehealth coverage for behavioral health under most plans
Uses modifier 95 standard
Cigna has expanded virtual-first plan offerings — these have specific credentialing and billing requirements

BlueCross BlueShield (varies by state plan)

BCBS of Illinois, Texas, and Massachusetts each have distinct policies
Most cover live video therapy at parity with in-person
Always pull the current provider manual for your specific BCBS state affiliate

Pro tip: Don't rely on what a payer rep tells you on the phone. Pull the written provider manual or telehealth policy document. Verbal authorizations don't hold up in audits.

Audio-Only Telehealth: The Rules Are Tightening

Audio-only (phone) sessions have been a critical access tool, especially for older adults and rural patients without reliable internet. But payers are tightening restrictions.

For Medicare in 2026:

Audio-only behavioral health services remain covered through end of 2026
Must document why audio-video wasn't used
Requires modifier 93 (synchronous telemedicine service rendered via telephone or other real-time interactive audio-only telecommunications system)
Reimbursement rates are typically lower than video visits

For commercial payers: Most are either limiting or eliminating audio-only coverage. Check each payer's current policy before billing phone sessions as telehealth.

Documentation must include:

The modality used (audio-only)
Clinical justification if required by payer
Start and stop times
Patient's location at time of service
Therapist's location at time of service

Telehealth Documentation: What You Actually Need in the Note

Good clinical documentation is your first line of defense — both for payment and for audits. Telehealth notes need a few elements that in-person notes don't require.

Required Elements for Telehealth Notes in 2026

Date, start time, and end time — for time-based codes, this is non-negotiable
Modality — explicitly state "session conducted via secure live video telehealth" or "audio-only"
Patient location — city and state minimum; some payers want full address
Provider location — where you were when you provided the service
Patient consent — document that the patient consented to telehealth (either in session or reference a signed consent on file)
Platform used — note that it was a HIPAA-compliant platform (you don't have to name it, but you should)
Clinical content — presenting concerns, interventions, response, plan (same as any session note)
Diagnosis codes — accurate ICD-10 codes that align with the presenting problem

Common Documentation Mistakes That Cause Denials

Writing "50-minute session" but billing 90837 (requires 53+ minutes)
No mention of telehealth modality in the note body
Missing patient location
No consent documentation
Copy-paste notes from previous sessions (a major audit red flag)

Telehealth Billing Compliance: What Auditors Are Looking For

If you're billing telehealth at scale — especially to Medicare or Medicaid — you're on auditors' radar. Here's what triggers scrutiny:

Top Audit Triggers for Telehealth

High volume of 90837 — billing the highest-level code for nearly every session
Inconsistent time documentation — notes don't clearly support the billed time
Audio-only billed as video — modifier mismatch
Wrong POS code — using POS 02 when patient was at home
Missing consent documentation
Billing across state lines without proper licensure — this is a big one in 2026

The Interstate Compact (PSYPACT and Counseling Compact)

If your patients are in different states than you are, you need to be licensed (or operating under a compact) in their state at the time of service. PSYPACT covers psychologists across member states. The Counseling Compact covers LPCs in member states. LCSWs and LMFTs: check your specific state reciprocity and compact participation.

Billing for a session you weren't legally licensed to provide isn't just a compliance issue — it can be fraud.

Telehealth vs. In-Person: Billing Rate Comparison

Parity laws require many payers to reimburse telehealth at the same rate as in-person. But not all do.

| Payer Type | Rate Parity | Audio-Only Parity | Notes | |------------|-------------|-------------------|-------| | Medicare (2026) | Yes | Reduced rate | Audio-only extended through 12/31/2026 | | Medicaid | Varies by state | Varies by state | Check state-specific fee schedule | | UnitedHealthcare | Most plans | Limited | Plan-dependent | | Aetna | Most commercial | Limited | IOP may need PA | | Cigna | Most plans | Limited | Virtual-first plans differ | | BCBS | Varies by state | Varies by state | Pull state affiliate manual |

FAQ: Telehealth Billing for Therapists (2026)

1. Do I need a separate NPI or taxonomy code for telehealth?

No — you use your existing NPI. However, your taxonomy code should accurately reflect your credential (e.g., 101YM0800X for Licensed Professional Counselor). Some payers flag claims when taxonomy doesn't match the service type, so verify yours is current in NPPES.

2. Can I bill telehealth if my patient is in a different state?

You must be licensed in the state where your patient is located at the time of service, not where you are. If your patient is visiting family in another state, you generally cannot provide a billable telehealth session unless you hold licensure (or compact authorization) in that state.

3. What's the difference between POS 02 and POS 10?

POS 02 is for telehealth when the patient is at a non-home location (like a clinic or school). POS 10 is for telehealth when the patient is at home. Most behavioral health telehealth sessions in 2026 use POS 10. Using the wrong code is one of the most common billing errors.

4. Can I bill group therapy via telehealth?

Yes — CPT 90853 can be billed for telehealth group sessions. You'll apply modifier 95 and POS 10 (or 02) just like individual sessions. Note that Medicare has specific group therapy telehealth requirements, and some commercial payers limit group telehealth coverage.

5. Is audio-only therapy still billable in 2026?

For Medicare, yes — through December 31, 2026, with modifier 93 and documentation that video wasn't used or wasn't appropriate. For most commercial payers, audio-only coverage is limited or eliminated. Always verify with the specific payer before billing phone sessions as telehealth.

6. What happens if I use the wrong modifier?

Wrong modifiers typically result in claim denial or reduced payment. In a post-payment audit, modifier mismatches can be cited as evidence of billing errors — even if the clinical service was legitimate. Consistent modifier errors can trigger recoupment requests.

7. Do I need a different consent form for telehealth?

Yes. Most states and payers require a separate informed consent for telehealth that covers the technology used, risks of electronic communication, privacy limitations, and the patient's right to refuse telehealth. This consent should be documented in the patient file and referenced in your notes.

The Bottom Line on Telehealth Billing in 2026

Telehealth billing isn't going to get simpler — payers are adding requirements, auditors are getting more sophisticated, and the rules keep changing at the federal, state, and payer level simultaneously.

The practices that get this right aren't necessarily the ones with the biggest billing departments. They're the ones with airtight documentation, accurate coding habits, and systems that catch errors before claims go out the door.

Every denial, every audit finding, and every compliance issue we see in behavioral health billing traces back to the same root cause: documentation and billing that don't match each other, don't match payer requirements, or don't accurately reflect the service that was actually provided.

Fix the documentation, and the billing follows.

How Mozu Health Helps Therapists Bill Telehealth Correctly

Mozu Health is an AI-powered clinical documentation platform built specifically for behavioral health providers. It helps therapists, psychiatrists, LPCs, LCSWs, LMFTs, and group practices:

Generate compliant session notes that include telehealth-specific required elements automatically
Flag documentation-billing mismatches before claims are submitted — like billing 90837 when your note only supports 48 minutes
Stay current with payer policy changes across Medicare, Medicaid, and commercial plans
Maintain HIPAA-compliant records with audit-ready documentation you can defend
Reduce time on paperwork so you can focus on the clinical work that matters

If telehealth billing headaches are eating into your time, your revenue, or your peace of mind — Mozu Health was built for exactly this.

Try Mozu Health free at mozuhealth.com →

Accurate documentation. Cleaner claims. Less stress. That's the goal — and we can help you get there.

Telehealth Billing for Therapists: Definitive Guide 2026