CPT Code 97153 vs. 97155: Key Differences and Best Practices for ABA Therapy

Understanding the differences between CPT code 97153 and CPT code 97155 is essential for proper ABA therapy billing and documentation. Both codes are used for adaptive behavior treatment but apply to different service structures. Knowing when to use each code ensures compliance, prevents claim denials, and maximizes reimbursement.

What Is CPT Code 97153?

CPT code 97153 is used for one-on-one adaptive behavior treatment delivered by a behavior technician under the supervision of a Board Certified Behavior Analyst (BCBA). This code is billed for direct implementation of an intervention plan without real-time modifications.

Key aspects of CPT 97153:

• Delivered by a behavior technician
• Supervised by a BCBA but without direct BCBA involvement in real time
• Follows a pre-designed treatment plan
• Typically involves skill-building and behavioral interventions

What Is CPT Code 97155?

CPT code 97155 is used when a BCBA is directly modifying a treatment protocol based on real-time observation and interaction with the client.

Key aspects of CPT 97155:

• Delivered by a BCBA or a qualified healthcare professional
• Includes active assessment and real-time modifications to treatment
• Focuses on adapting strategies based on client response
• Can be conducted with or without a technician present

Key Differences Between CPT 97153 and 97155

1. Who Provides the Service?CPT 97153: Behavior TechnicianCPT 97155: BCBA or other qualified professional
2. CPT 97153: Behavior Technician
3. CPT 97155: BCBA or other qualified professional
4. BCBA InvolvementCPT 97153: Supervision but not direct engagementCPT 97155: Direct involvement and protocol modification
5. CPT 97153: Supervision but not direct engagement
6. CPT 97155: Direct involvement and protocol modification
7. PurposeCPT 97153: Implementation of a pre-established treatment planCPT 97155: Active assessment and adjustment of interventions
8. CPT 97153: Implementation of a pre-established treatment plan
9. CPT 97155: Active assessment and adjustment of interventions
10. Real-Time Plan AdjustmentsCPT 97153: NoCPT 97155: Yes
11. CPT 97153: No
12. CPT 97155: Yes
13. Who Is Present?CPT 97153: Client and technicianCPT 97155: BCBA with or without a technician
14. CPT 97153: Client and technician
15. CPT 97155: BCBA with or without a technician

When to Use CPT 97153 vs. 97155

• Use CPT 97153 when a technician is implementing interventions as outlined in the treatment plan without modifications.
• Use CPT 97155 when a BCBA is modifying or assessing the intervention plan in real time based on client behavior.

Documentation Requirements for CPT 97153 and 97155

CPT 97153 Documentation Checklist:

• Goals targeted during the session
• Data collection on client responses
• Confirmation that the technician followed the BCBA-approved plan
• Duration of the session and interventions used

CPT 97155 Documentation Checklist:

• Modifications made to the treatment plan
• Justification for real-time adjustments
• Data showing the client’s response to new strategies
• BCBA’s direct involvement in the session

Billing and Reimbursement Considerations

Insurance payers may have specific rules regarding how often CPT 97155 can be billed in comparison to CPT 97153. Many require:

• Prior authorization for CPT 97155
• Session length limitations for CPT 97153
• Clear documentation of BCBA involvement in CPT 97155

Conclusion

Using CPT code 97153 and CPT code 97155 correctly ensures compliance and maximizes reimbursement. 97153 applies when a behavior technician implements interventions, while 97155 is used when a BCBA modifies the treatment plan in real time.

By maintaining accurate documentation and understanding payer requirements, ABA provider groups can optimize their revenue cycle management and deliver high-quality services. For more insights on ABA CPT codes, explore our blog series on session note documentation!