If you run a stuttering caseload, you know the routine. You finish a fluency session, you bill 92507, and one untimed unit covers the whole thing no matter how long you sat with the client. No stopwatch, no minute math. But the fluency therapy CPT code you've relied on is about to change in a real way. On January 1, 2027, CPT 92507 is deleted, and fluency treatment gets its own dedicated timed code pair.1
Here's the honest part up front: the exact five-digit numbers for that pair aren't published yet. They're expected in fall 2026.2 But the structure is already confirmed, and it's enough to understand how your billing and your notes will need to shift. Let's walk through what the fluency pair covers, how timed billing works for it, a worked example you can actually use, and how to document a fluency session so it holds up.
For the full picture of the transition, CPT 92507 is being deleted in 2027 and replaced by ten new codes. This post zooms in on just one of those: fluency.
What the New Fluency Code Pair Covers
The new fluency codes come as a pair: a base code and an add-on. ASHA has published the placeholder structure while the real numbers are pending, and for fluency the base is written as 92X0X and the add-on as +92X1X.2 Those X's are just standing in for digits that publish with the 2027 CPT code set, expected in September or October 2026.2 So if you go looking for "the" fluency CPT code today, you'll find placeholders, and that's normal, not incomplete.
What matters more than the numbers is the descriptor. The fluency pair covers "treatment of fluency disorder (eg, stuttering and cluttering), direct (one-on-one) patient contact."2 Read that carefully, because it answers a question a lot of clinicians have been asking. Both stuttering and cluttering bill under this same pair. There's no separate cluttering CPT code to hunt down. If you're treating either one individually, this is where stuttering treatment billing and cluttering treatment billing both land.
One boundary to keep in mind: this pair is for individual, one-on-one work. If you run fluency groups, the group therapy code 92508 isn't changing and still covers that setting.2
From Untimed to Timed: How the New Fluency Codes Bill
This is the shift that actually changes your day. Under 92507, length didn't matter for billing. A 25-minute fluency session and a 55-minute one both billed the same single untimed unit, because untimed codes are reported once per day regardless of time.3 With the new fluency SLP codes for 2027, time becomes part of what you report.
The structure is confirmed even though the numbers aren't. The base code (92X0X) covers the initial 30 minutes of treatment, and the add-on (+92X1X) covers each additional 15 minutes.2 But you don't bill by exact clock math. CPT uses midpoint thresholds, and ASHA has spelled them out for these codes: you can report the base after providing 16 to 37 minutes of service, and you can report the add-on for 8 to 22 minutes of time beyond the base period.2
In plain terms, a fluency session has to reach at least 16 minutes of direct treatment before its base code is billable. That's a genuine change from 92507, where even a short session still billed one clean unit. If you've never counted minutes for billing before, this is the habit worth building early.
A Worked Example: Billing a Stuttering Session
Numbers make this concrete, so let's walk through a real session first, then run a few variations.
Picture a school-age client who stutters, in for a standard visit. You spend about 5 minutes reviewing home practice and warming up, 20 minutes on structured fluency-shaping drills, 15 minutes moving those targets into conversational speech, and 5 minutes setting up the next week's home practice. That's roughly 45 minutes of direct, one-on-one fluency treatment. The first 30 minutes fills the base code (92X0X). The remaining 15 minutes falls squarely inside the add-on's 8-to-22-minute window, so you report one add-on (+92X1X). The session bills as base plus one add-on.
Now change the length and watch the units move. A 25-minute fluency session clears the 16-minute floor and stays under 37 minutes, so it bills the base only, with no add-on. A quick 8-minute check-in never reaches the 16-minute base threshold at all, so the base code isn't billable for it.
Stretch it the other way and a 50-minute session gives you the base (initial 30) plus one add-on for the remaining 20 minutes, since 20 lands inside the 8-to-22 add-on range. Go longer still, to a full 60-minute session, and the initial 30 minutes fills the base while the remaining 30 minutes covers two complete 15-minute increments, so you report the base plus two add-ons. Each additional 15 minutes of fluency treatment is what earns another add-on unit.
The thread running through all of these is the same: you're counting direct treatment minutes spent on fluency, not total time the client was in the building. Check-in chatter, setup, and time the client spends working independently without your skilled involvement don't count toward the code. That distinction is exactly what your documentation has to make clear.
Documenting Fluency Treatment So It Holds Up
Timed billing lives or dies on the note. ASHA is direct about this for the new codes: you need to track and document the service performed and the direct treatment time tied to each reported code, and you have to distinguish fluency treatment time from any other service delivered in the same session.2 If you provide fluency work and, say, a language activity in one visit, the note has to separate the minutes.
In practice, that means capturing time as you go, not reconstructing it from memory at day's end. Record the direct fluency minutes, and if the visit included other services, log those minutes separately so anyone reading the claim can see how the units add up. A note that says "45-minute session" tells an auditor nothing about how much of that time was skilled fluency treatment. A note that shows 45 minutes of direct one-on-one fluency work, broken down by what you did, supports the units you billed.
Then there's the clinical detail that makes a fluency note a fluency note. Record what you actually did: easy onset, fluency shaping, stuttering modification, the specific targets you worked on, and how carryover is progressing. If you're treating cluttering rather than stuttering, say so and describe the rate and clarity work you did. Tie your goals to real communication, the kind of participation-focused targets ASHA's Practice Portal describes for fluency, so the note shows why the work mattered to the client's daily life.5 This is the substance that shows the service was skilled, the sort of judgment and technique only a clinician can deliver.
Because time alone doesn't carry a claim. ASHA is clear that billing decisions still rest on documentation showing the service was medically necessary and clinically appropriate for that patient on that day.3 Timed codes don't replace that judgment, they raise the stakes on it. Your note now has to defend both the minutes and the medical necessity behind them.
That's a lot to capture cleanly, and it's exactly where solid speech therapy documentation earns its keep. Time-stamped SOAP notes make the minute math automatic instead of something you reconstruct later, and templates built around a disorder area like fluency prompt you for the clinical detail before it slips your mind.
How the Transition Changes Your Clinic Workflow
The billing math is only part of the story. Timed fluency codes also change how your clinic runs day to day.
Session length starts to carry weight it never did under 92507. When a session's minutes decide how many units you can report, the people who build your schedule and the people who submit your claims need to think in time blocks, not just visit counts. A 30-minute fluency slot and a 60-minute one no longer bill the same, so schedulers, clinicians, and billing staff have to be looking at the same clock, working from one time record captured during the session rather than reconciled after it.
Supervision changes too. In a university training clinic, a supervisor already reviews and signs student documentation. Under timed codes, that review now includes a check that the documented fluency minutes actually support the units on the claim.3 Build that habit into your review now, and your fall 2026 cohort walks into 2027 already fluent in it.
What to Do Before January 2027
You don't have to change anything tomorrow, but a little preparation goes a long way.
Keep billing 92507 for fluency treatment through the end of 2026. Nothing about the code switches until the new year, so keep your current claims clean.4 If you want a refresher on the current rules while the code is still live, the 2026 billing guide for CPT 92507 still applies.
Start recording your fluency treatment minutes now, even though 92507 doesn't require it. Making time-tracking second nature this year means it won't feel new and unfamiliar all at once when timed billing arrives.
Watch for the real code numbers in fall 2026, and check in with your EHR and clearinghouse to confirm their systems will be ready for the new codes on day one. The right EHR for speech therapists will have the code library and templates updated before you have to think about it.
The Structure Is Set, So Start the Habit
Here's the short version. Fluency treatment is getting its own timed base-and-add-on pair, both stuttering and cluttering bill there, and time plus documentation will carry weight that 92507 never asked of you. The numbers aren't final until late 2026, but the direction is, and the habit of logging fluency minutes and skilled clinical detail pays off no matter which system you use.
Want documentation that's already built for timed billing? ClinicNote's SOAP notes, disorder-area templates, and service-code integration help SLPs capture the minutes and the medical necessity these new fluency codes will demand, without adding busywork to your day. Get a demo and see how it fits your clinic.
Sources
- https://www.asha.org/news/2026/update-on-cpt-code-92507-valuation-review-underway/
- https://www.asha.org/practice/reimbursement/coding/new-speech-language-pathology-treatment-codes-replacing-92507/
- https://www.asha.org/practice/reimbursement/coding/timedcodesfaqs/
- https://www.asha.org/news/2025/cpt-code-92507-remains-in-effect-no-immediate-changes/
- https://www.asha.org/practice-portal/clinical-topics/fluency-disorders/