For years, you could write "60-minute session" at the top of your note, bill one clean unit of 92507, and never once reach for a stopwatch. That was the whole appeal of an untimed code. But documenting treatment time in speech therapy is about to matter in a way it never has, because the codes that replace 92507 are timed, and the minutes in your note are about to become the minutes on your claim.
Here's the part worth sitting with: when billing runs on minutes, your note is what the payer relies on and what an auditor tests. If the units billed and the minutes documented don't line up, that mismatch is exactly what gets a claim pulled.
The good news is that most of this is a habit you can build right now, while 92507 is still untimed and the stakes are low. This post covers what a defensible time record actually contains, the difference between the session clock and actual treatment minutes, how to capture time by disorder area, the audit triggers that flag SLP claims, and how time-stamped notes keep you out of trouble.
Why Treatment Time Suddenly Matters for SLPs
Under 92507, length was irrelevant to billing. A 25-minute session and a 55-minute session both billed the same single unit, because untimed codes are reported once per day no matter how long you worked. So exact minutes were nice to have, not required.
That changes on January 1, 2027. The ten new codes replacing 92507 are timed, built as a base code for the initial 30 minutes and an add-on code for each additional 15 minutes.2 If you want the full picture of the transition, our pillar guide explains why CPT 92507 is being deleted in 2027 and what's replacing it.
Once a code is timed, the minutes you record stop being a formality. They're the basis for how many units you can bill, which means your note has to carry weight it never carried before. This isn't paperwork for its own sake. It's the record that has to reconcile with the claim you submit, and it's the first thing a reviewer will check if that claim gets questioned.
For an SLP who has billed untimed 92507 for a decade, that's a genuine shift in what "good documentation" means. It's no longer just a clear picture of the session. It's a clear picture of the session that also stands up to the arithmetic on the claim.
What a Defensible Time Record Actually Contains
Start with the thing that trips up the most well-meaning notes: you have to record actual treatment minutes, not the span of the visit. The clock says the patient was in the room from 2:00 to 3:00, but that hour probably included setup, a transition or two, and a couple of minutes of the family settling in. None of that is billable time.
CMS asks for two specific numbers on a timed treatment day. The first is Timed Code Treatment Minutes, meaning the direct, skilled time delivered under timed codes. The second is Total Treatment Time, which is the timed minutes plus any untimed minutes for that day.3 Use that exact language. CMS is blunt about this: don't invent your own abbreviations for minutes, because a reviewer can't tell what "45 min" is supposed to mean if it isn't labeled.3
Only direct, skilled, one-on-one care counts toward those minutes. Setup, positioning, rest breaks, and time the patient spends waiting are all excluded.3 This is where time-based documentation SLP habits either hold up or fall apart, because it's tempting to round the whole visit up to a tidy number.
And time alone is never the whole story. A number of minutes proves nothing on its own. Your note still has to show that a skilled clinician's judgment filled those minutes, and that the service was medically necessary and clinically appropriate for that patient on that day.4 If you want a refresher on the building blocks, our guide to what goes in a SOAP note covers the pieces that carry that weight. ASHA is clear that skilled treatment requires the knowledge, skills, and judgment of an SLP, and your documentation is what demonstrates it.5 A defensible record ties the minutes to the skilled work, not the other way around.
Start/Stop Times vs. Total Minutes
This is worth slowing down on, because "how do I write the time" is the question almost every SLP asks first. The instinct is to jot "time in 2:00 / time out 3:00" and call it done. CMS says that particular habit does not accurately reflect treatment time and specifically warns against recording the session that way.3
The other common mistake goes in the opposite direction: rounding everything to clean 15-minute blocks. If you delivered 38 minutes of skilled treatment, the note should say 38, not 45.3 Rounding to make the math easier is exactly the kind of thing that reads as an estimate rather than a record.
So where do start and stop times fit? Think of them as your source of truth at the point of care, the raw material you capture in the moment. What actually gets reported, though, is the actual treatment minutes, and the units you bill have to reconcile back to those minutes. Good start and stop time documentation feeds an accurate minute count; it doesn't replace it.
A quick example makes the mechanics concrete. Say you run a 40-minute fluency session, all of it direct and skilled. Under the timed structure, the initial 30 minutes maps to the base code, and the remaining 10 minutes clears the threshold for one add-on unit.1 Your note shows the actual minutes, the claim shows a base plus one add-on, and the two agree. That agreement is the whole game. When the documented minutes support the units billed, there's nothing for a reviewer to unwind.
Capturing Time by Disorder Area
Here's a wrinkle the old code never forced on you. The new codes aren't just timed, they're disorder-specific. ASHA has published five families: fluency, speech sound production, language, a combined speech-sound-and-language code, and voice or resonance, each one a base-plus-add-on pair.2
A note on the numbers, because it matters. The real five-digit codes haven't been published yet. They arrive with the 2027 CPT code set, expected in September or October 2026.2 What's already confirmed is the structure: a base code for the initial 30 minutes and an add-on for each additional 15.2 Don't let anyone hand you a specific five-digit number before the fall 2026 release, because it doesn't exist yet.
What this means for your documentation is that minutes may need to attach to what you actually treated, not just to the visit as a whole. In a mixed session where you spend part of the time on articulation and part on language, that distinction starts to carry billing weight. This is also exactly why there's a dedicated combined code: for the common case of treating a speech sound production disorder and a language disorder in the same visit, so you're not stacking two separate base codes.2
You don't have to solve all of this today. But you can start noticing, in your own notes, which disorder area each stretch of a session actually addressed. Build that habit now, while 92507 is still untimed and a slip costs you nothing, and it'll feel routine by the time it counts.
The Audit Triggers That Flag SLP Time
Let's be honest about what actually gets a claim flagged, because it's rarely dramatic. The single biggest trigger across therapy disciplines is units billed that don't match the documented minutes.3 When the claim says two units and the note supports one, the arithmetic doesn't close, and that's what draws attention.
A few other patterns show up again and again:
- Billing an evaluation and a treatment on the same day without documentation that clearly supports both.
- Treating an untimed code as if it were timed, like stacking multiple units on 92507 when it only ever bills one.
- Vague, copy-pasted notes that never show the skilled service filling the minutes.
- A missing or inconsistent Total Treatment Time, so a reviewer can't reconcile the day at all.3
It helps to reframe what an audit even is. A reviewer usually isn't hunting for fraud. They're looking for a note that can't substantiate the claim attached to it. That's a lower and much more common bar to trip over, which is the bad news. The good news is that the fix is entirely in your control: a record that reconciles on its face, where the minutes and the units and the skilled narrative all tell the same story.
For the billing and coding staff who reconcile claims against notes and field the denials when they don't match, this is the daily reality. The cleaner the time record coming out of the session, the less there is to chase down later.
How Time-Stamped EHR Notes Reduce Risk
None of this requires heroics, but it's a lot easier when your documentation system is doing some of the work with you. This is where SLP session time tracking built into the EHR earns its keep.
Capturing time at the point of care beats reconstructing it from memory at the end of a long day. When your SOAP notes for speech therapy are time-stamped as you go, the minutes are a record of what happened rather than a best guess you assembled after your last patient left.
Service-code integration is the other piece. When the code, the minutes, and the note live together in one place, keeping the units and the documentation aligned stops being a manual reconciliation and becomes the default. Disorder-area templates make the per-area capture routine instead of something you have to remember to do. And reporting that flags documentation gaps lets you catch a mismatch before the claim goes out, not after a denial comes back.
If you supervise a university training clinic, this is also a teaching moment worth taking. The cohort you train in fall 2026 will graduate straight into timed billing, so showing them how to document treatment time from their very first note gives them a head start their predecessors never had.
Build the Habit Before 2027
The short version: record actual minutes rather than the session clock, use the CMS language for Timed Code Treatment Minutes and Total Treatment Time, tie those minutes to skilled and medically necessary care, capture time by disorder area, and keep the note reconciling with the claim. Do those five things and your documentation stands up to review.
And here's the reassuring part. Documenting treatment time in speech therapy this way makes you more defensible today, under 92507, and ready the day the timed codes go live. You're not doing throwaway work to prepare for a deadline. You're building documentation that's simply better.
Want notes that are already built for this? ClinicNote's time-stamped SOAP notes, customizable speech therapy documentation software, and service-code integration help SLPs capture the minutes timed billing demands without adding busywork to the day. Get a demo and see how it fits your clinic.
Sources
- https://www.asha.org/practice/reimbursement/coding/timedcodesfaqs/
- https://www.asha.org/practice/reimbursement/coding/new-speech-language-pathology-treatment-codes-replacing-92507/
- https://www.cms.gov/files/document/mln905365-complying-outpatient-rehabilitation-therapy-documentation-requirements.pdf
- https://www.asha.org/practice-portal/professional-issues/documentation-in-health-care/
- https://www.asha.org/practice/reimbursement/medicare/examples-of-documentation-of-skilled-and-unskilled-care-for-medicare-beneficiaries/