By Matt Harrington, BCBA · Behaviorist Book Club · Research-backed answers for behavior analysts
The Category I CPT codes for adaptive behavior services include 97151 (behavior identification assessment), 97152 (behavior identification supporting assessment), 97153 (adaptive behavior treatment by protocol), 97154 (group adaptive behavior treatment), 97155 (adaptive behavior treatment with protocol modification), 97156 (family adaptive behavior treatment guidance), 97157 (multiple-family group guidance), and 97158 (group adaptive behavior treatment with protocol modification). Each code has specific documentation requirements that define what must be recorded to support the billing claim. These codes replaced temporary T-codes and brought ABA documentation into alignment with broader healthcare standards.
Code 97153 is for direct treatment by protocol, implemented by a technician following a treatment plan designed by the qualified professional. Documentation should describe the procedures implemented, the client's response, and the connection to treatment plan objectives. Code 97155 is for protocol modification by the qualified professional, requiring documentation that the BCBA or other qualified professional assessed the client, modified the treatment approach, and directed the technician's implementation. The key distinction is that 97155 documentation must demonstrate active clinical decision-making by the qualified professional during the session.
Best practice is to complete documentation on the same day as the session, ideally within a few hours. Same-day documentation is more accurate because the details are fresh in the clinician's memory. Some organizations and payors require documentation to be completed within 24 hours. Delayed documentation, particularly when notes are written days or weeks after the session, is both less accurate and more likely to raise concerns during an audit because the detail and specificity tend to decrease with time.
Audit-ready session notes should include the date, start and end times, the service code being billed, the specific treatment plan objectives addressed, the procedures implemented during the session, the client's response including relevant data, any modifications made to programming, the clinical rationale for any changes, and the name and credentials of the service provider. The note should clearly support the CPT code being billed: if billing 97155, the note must reflect that the qualified professional made clinical decisions during the session.
Document the actual start and end time of the session, the reason for the interruption or shortened session, what activities occurred during the time that services were delivered, and any clinical decisions made as a result of the interruption. Bill only for the units of service actually delivered, not the scheduled duration. If the interruption resulted in a session too short to bill a minimum unit, do not bill for the session but still document what occurred for clinical continuity purposes.
Common findings include session notes that do not connect to treatment plan objectives, time documentation that does not support the units billed, billing codes that do not match the documentation (particularly 97155 billed without evidence of protocol modification), treatment plans with vague or non-operational goals, missing caregiver training documentation, assessment reports that do not document methodology, and session notes that are identical or near-identical across dates suggesting template copying rather than individualized documentation.
Select a random sample of case files quarterly, representing a cross-section of clinicians, service types, and payors. Review each file against a standardized checklist that includes all documentation requirements for the CPT codes billed. Score each element as compliant, partially compliant, or non-compliant. Aggregate findings to identify patterns. Share results with the clinical team, identifying both strengths and areas for improvement. Develop action plans for identified deficiencies. Track scores over time to measure improvement. Assign responsibility for the audit process to a specific staff member or committee.
Correct the error using the appropriate method for your documentation system. For electronic records, most systems have an amendment or addendum function that preserves the original entry while adding the correction. For paper records, draw a single line through the error, write the correction, date it, and initial it. Never erase, white-out, or destroy the original entry. If the error affects billing, notify the billing department so the claim can be corrected. If the error is systematic, affecting multiple records, report the pattern to your supervisor and develop a corrective action plan.
Insurance audits typically begin with a request for records for selected clients and date ranges. The auditor reviews the documentation to determine whether the billed services are supported by the records, whether the documentation meets the requirements of the billed codes, and whether the services were medically necessary. The auditor may request additional information or clarification. If findings indicate non-compliance, the result may range from education and corrective action requirements to repayment demands for services deemed unsupported. Providers have the right to appeal adverse findings.
Yes. Supervision documentation should include the date and duration of each supervision contact, the type of supervision (individual, group, direct observation), the topics covered, any feedback provided, and the supervisor's credentials. For supervision billed under a CPT code such as 97155, the documentation must meet the code's specific requirements. Additionally, the BACB requires documentation of supervision provided to trainees and RBTs, and this documentation may be requested during credentialing reviews. Maintaining thorough supervision records protects against both payor audit findings and BACB compliance concerns.
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All behavior-analytic intervention is individualized. The information on this page is for educational purposes and does not constitute clinical advice. Treatment decisions should be informed by the best available published research, individualized assessment, and obtained with the informed consent of the client or their legal guardian. Behavior analysts are responsible for practicing within the boundaries of their competence and adhering to the BACB Ethics Code for Behavior Analysts.