January 1, 2027
The biggest ABA billing reset since 2019 is scheduled.
Six new codes, a revised 97151-97158 family, two deletions. Platforms that hardcoded the 2019 code set face a re-architecting scramble. Here is what is actually known, and what to do about it now.
What is confirmed
Six new Category I codes
The AMA CPT Editorial Panel (September 2025 actions) accepted six new Category I codes for reporting adaptive behavior services, effective January 2027.
97151 through 97158 revised
The existing code family and its guidelines are being revised, not just extended. Workflows built as rigid forms around the 2019 definitions will need rework.
0362T and 0373T deleted
The Category III T-codes are removed. Billing logic that special-cases them has an expiration date.
Details stay confidential until late 2026
Exact wording and values publish with the 2027 CPT Professional codebook. Anyone claiming to know the final details today is guessing.
The owner’s checklist for the next 18 months
Ask your vendor the 2027 question
On a screen share: how does your platform add a brand-new CPT code? If the answer involves an engineering ticket and a release cycle, your January 2027 will be painful.
Do not sign contracts that hardcode the present
Multi-year agreements priced around today’s code list, with change fees for new configurations, transfer the 2027 risk to you.
Expect payer bulletins to lag and conflict
State Medicaid programs and MCOs will adopt on different timelines with different modifier rules. Configurability per payer matters more in 2027 than ever.
Watch documentation requirements move
New codes reportedly cover areas like interdisciplinary coordination and caregiver services; note templates and auth alignment will need to follow the final language, not vibes.
Questions ABA owners are asking about 2027
When exactly do the 2027 CPT changes take effect?
The changes take effect for dates of service on or after January 1, 2027, and they publish in the 2027 CPT Professional Code book, which is expected late in 2026. Under AMA rules the full descriptor wording stays confidential until that edition publishes. This is general information, not billing or legal advice.
Do we need to switch EMRs before 2027 to be ready?
No. The ABA Coding Coalition cautions against changing systems on the strength of unofficial descriptors. What actually matters is whether your platform treats codes as configuration, with an effective-dated registry and a crosswalk, so the new set turns on automatically on January 1, 2027 rather than requiring an engineering release. Readiness is a property of the system’s design, not a reason to rip and replace.
Will our current authorizations and note templates still work in January 2027?
Authorizations and notes tied to the current 97151 through 97158 family remain valid for dates of service through December 31, 2026. For 2027 dates of service, note templates and authorization alignment will need to follow the final code language once it publishes. Because that language is confidential until late 2026, avoid hardcoding the placeholder descriptors now.
What are the six new codes and their payment values?
They are six new Category I codes for adaptive behavior services, carried as placeholders 97X1X through 97X6X. The exact numbers, descriptors, and any payment values are confidential until the 2027 CPT Professional Edition, and CMS payment policy is not final until the 2027 Medicare Physician Fee Schedule final rule, expected in November 2026. Anyone quoting final values today is guessing.
What is actually confirmed versus still proposed?
Confirmed by the AMA CPT Editorial Panel: six new Category I codes, a revision of the 97151 through 97158 family and its guidelines, and deletion of Category III codes 0362T and 0373T. Still not final: the exact descriptors and the CMS payment policy, which move through a public comment period and the 2027 fee schedule final rule. Treat the structure as known and the details as pending.
How should we prepare in the next 18 months?
Confirm your platform can add a CPT code as data, with an effective-dated registry and a crosswalk, without waiting on a software release. Avoid multi-year contracts that hardcode today’s code list with change fees, and expect payer bulletins to adopt on different timelines, so per-payer configurability matters. Nothing here is billing or legal advice.
Final 2027 code language is confidential until the CPT Professional Edition publishes late in 2026. This page states only the announced structure. Nothing here is billing or legal advice.
Why we are calm about January 2027
In Infinite Suite OS, CPT codes are configuration, not architecture. Every code lives as data: its documentation requirements, its settings, its modifier logic, its note template gates. Adding the 2027 codes when the book publishes means updating a schema, then letting the same Claims Gate enforce the new rules the way it enforces today’s. No rewrite, no scramble, no window where your documentation and your billing disagree.
Honesty note: final 2027 code language is confidential until the CPT codebook publishes late 2026. This page states only the Panel’s announced structure, and we will update it the week the details are public. Nothing here is billing or legal advice.