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Six new Category I codes are coming to adaptive behavior services in 2027, alongside a revision of the current 97151 to 97158 family. Until the AMA publishes the 2027 CPT Professional Edition, the numbers are placeholders and the descriptors are confidential.
Quick answer
For 2027 the AMA CPT Editorial Panel accepted six new Category I adaptive behavior codes, carried as placeholders 97X1X through 97X6X, revised the 97151 to 97158 family and its guidelines, and deleted Category III codes 0362T and 0373T. The final descriptors are confidential until the 2027 CPT Professional Edition publishes late in 2026. Not billing or legal advice.
The September 2025 CPT Editorial Panel accepted six new Category I codes for adaptive behavior services, currently referenced as placeholders 97X1X through 97X6X. It also accepted a revision of the 97151 through 97158 family and its guidelines, and the deletion of Category III codes 0362T and 0373T.
Category I status matters: it is the tier payers are expected to recognize, which is part of why this revision is a bigger deal than a routine annual update.
Placeholder numbers like 97X1X are stand-ins. The real code numbers and their full descriptors are confidential under AMA CPT rules until the 2027 CPT Professional Edition is published, which is expected late in 2026.
That is why responsible guidance, including from the ABA Coding Coalition, is to plan around the structure of the change without hardcoding descriptors that could still shift before publication.
They are six new Category I codes accepted by the AMA CPT Editorial Panel, carried as placeholders 97X1X through 97X6X. The final numbers and descriptors are confidential until the 2027 CPT Professional Edition publishes late in 2026.
That family and its guidelines are being revised for 2027. The current codes remain in effect through December 31, 2026. The revised set takes effect January 1, 2027.
Category III codes 0362T and 0373T are being deleted for 2027. Confirm the specifics against the official 2027 CPT Professional Edition when it publishes.
The 2027 adaptive behavior CPT descriptors are confidential and unofficial until the AMA publishes the 2027 CPT Professional Edition late in 2026, and CMS payment policy is not final until the 2027 Medicare Physician Fee Schedule final rule, expected November 2026. Placeholder code numbers may change. This page is general information, payer-neutral, and is not billing or legal advice.