If you treat receptive and expressive language, you've reached for the same language therapy CPT code so many times you barely think about it. Code 92507, one untimed unit per session, no stopwatch, one line on the claim no matter how the session actually went. That's about to change.
On January 1, 2027, CPT 92507 is being deleted and replaced by ten new codes.1 Language comprehension and expression gets its own pair in that new set, and the way you report a language session shifts from untimed to timed. Here's what the new language codes cover, how receptive versus expressive still shows up in your coding, how the time thresholds work, a worked example you can check against your own sessions, and how to document a language claim so it actually gets paid.
One thing to say up front so nobody panics: the real five-digit numbers don't publish until fall 2026, and you should keep reporting 92507 for individual treatment right up until the switch.4 Nothing on today's claims changes yet. But the structure is already confirmed, so you can start getting ready now.
What the New Language Treatment Codes Cover
The ten codes that replace 92507 aren't ten random additions. ASHA has published them as five base-and-add-on pairs, each tied to a specific disorder area: fluency, speech sound production, language, combined speech sound and language, and voice or resonance.2 Language comprehension and expression is one of those five pairs.
Here's the part that matters for language work. The pair uses ASHA's placeholder format of a base code (92X4X) for the initial 30 minutes and an add-on code (+92X5X) for each additional 15 minutes.2 Those 92X placeholders are not codes you can bill. They're stand-ins ASHA is using until the official five-digit numbers publish with the 2027 CPT code set, expected in September or October 2026.2 What's locked in right now is the shape of it: a base unit for the first block of time, then add-on units for the time after that.
Notice that this one pair covers both language comprehension (the receptive side) and language expression together. You're not picking a separate procedure code for receptive work and another for expressive work. It's a single language pair.
There's also a dedicated combined pair (92X6X and its add-on) for treating a speech sound production disorder and a language disorder in the same session.2 That's worth knowing, because language and articulation work travel together on so many pediatric caseloads. When you're genuinely treating both in one visit, that combined pair is the home for it, not two separate base codes stacked on one claim.
Receptive vs. Expressive: You're Coding the Diagnosis, Not the Procedure
This is where a lot of language disorder billing SLP questions actually come from, and it's worth slowing down on. A language claim has two sides, and they do different jobs.
The CPT code, the new language pair, tells the payer what you did. The ICD-10 diagnosis code tells the payer why it was medically necessary. Receptive expressive language coding, the part clinicians tend to obsess over, lives on the diagnosis side, not the procedure side.
On the diagnosis side, F80.1 is expressive language disorder, and F80.2 is mixed receptive-expressive language disorder, which covers deficits in both comprehension and production.5 The treatment pair you bill is the same whether the child's deficit is expressive only or mixed. The diagnosis code is what carries that distinction and what has to justify the service.
So the practical move is simple to say and easy to get wrong under a busy schedule: pair the right ICD-10 code with the new language pair, every time. A clean procedure code sitting next to a thin or mismatched diagnosis link is exactly the kind of claim that comes back denied. Getting the diagnosis right isn't a formality. It's half of what makes the claim payable.
From Untimed to Timed: How Language Billing Actually Changes
Under 92507, length didn't matter. A 25-minute language session and a 55-minute language session billed the same single untimed unit, reported once per day, and if you want the rules while the code is still live, our CPT 92507 billing guide still applies. That simplicity is exactly why the code lasted as long as it did, and it's exactly what's going away.
With the new language pair, the minutes you spend on the language disorder area drive the units. ASHA has spelled out the thresholds: you need 16 to 37 minutes to report one unit of the base code, and 8 to 22 minutes to report the add-on after the base is billed.2 In plain terms, a language session has to reach at least 16 minutes before its base code is billable at all.
If you've worked with any timed code before, the logic will feel familiar. "Each 15 minutes" doesn't mean you round to the nearest tidy block. You report units based on total treatment time, counting the actual minutes you spent.3 The stopwatch is now part of the claim in a way it never was with 92507.
But don't read this as "time is the only thing that matters now." ASHA is clear that the decision to bill still rests on your clinical judgment and on documentation showing the time you spent was medically necessary and clinically appropriate for that patient on that day.3 Timed codes don't replace your judgment. They raise the stakes on the note that backs it up.
A Worked Example You Can Check Against Your Own Sessions
Numbers make this concrete, so here's the map you can hold against any language session. Using ASHA's ranges, the cumulative windows work out like this:2
- 16 to 37 minutes: base only (92X4X)
- 38 to 52 minutes: base plus one add-on (+92X5X)
- 53 to 67 minutes: base plus two add-ons
Under 16 minutes, there's no base unit to report.
Now put a real client in the chair. Say you're treating a child with mixed receptive-expressive language disorder (F80.2), and today's individual language session runs 45 minutes. That lands in the 38-to-52 window, so it bills the base plus one add-on. A shorter 32-minute session with the same child sits in the 16-to-37 window, so it bills the base only.
Here's the contrast that makes the change land. Today, under 92507, both of those sessions bill the same thing: one flat untimed unit, regardless of length. The 45-minute visit and the 32-minute visit are identical on the claim. Starting in 2027, they aren't, and the difference comes straight from your time record.
One more reminder, because it's the easy mistake to make with a post like this open in a browser tab: 92X4X and +92X5X are placeholders. Don't treat them as lookup-ready numbers, and don't guess at the real digits. Those publish in fall 2026, and until then the structure is what you plan around.
Documenting Language Treatment So It Gets Paid
The good news is that most of the prep for these new language SLP codes 2027 brings is documentation discipline you can build today, long before the final numbers land.
Start with medical necessity, because it's where language claims tend to get soft. A defensible language claim rests on standardized test scores in the relevant domains, tools like the CELF-5 or PLS-5, paired with a narrative that connects those scores to the diagnosis.5 A bare list of numbers isn't a rationale. The clinical interpretation tying the scores to the deficit is what an auditor is actually reading for.
Next, make the skill in the session visible. Spell out what required your clinical expertise so the note reads as skilled therapy, not language stimulation that a caregiver could run at home. That's always mattered. It matters more when new codes arrive alongside sharper payer scrutiny.
Then, the piece that's genuinely new: capture defensible treatment time on the language area. Because minutes now drive units, a note that says "individual treatment" without a time record won't support a timed claim. Building that habit into your speech therapy documentation now, while 92507 still lets you get away without it, is the cheapest insurance you can buy for 2027.
This is where the right tools quietly do a lot of the work. Time-stamped SOAP notes give you the minutes without a separate stopwatch. A language-treatment template you standardize across a caseload means every clinician documents the same way. And reporting that flags a thin note before it ships turns a would-be denial into a quick fix. If you supervise students, this is also a teaching moment worth taking. The cohort you train in fall 2026 graduates straight into timed language billing, so showing them how to document time and medical necessity from day one is a real head start.
The Structure Is Set, So Build the Habits Now
Here's the short version. Language treatment gets its own timed pair (placeholder 92X4X and +92X5X), the receptive versus expressive distinction stays in the ICD-10 code, minutes start driving units, and your documentation carries more weight than it does under 92507. The real numbers arrive in fall 2026, but you don't have to wait for the fine print to get ready. The habits that make a language claim defensible, accurate treatment time and solid medical-necessity support, pay off no matter what the final code numbers turn out to be.
Want documentation that's already built for the way language billing is about to work? ClinicNote's speech therapy EMR software gives you time-stamped SOAP notes, customizable templates you can shape around each disorder area, and service-code integration designed to capture the detail timed billing demands. 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.aapc.com/codes/icd-10-codes/F80.2