What the commonly used insurance codes for ABA?
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For ABA (Applied Behavior Analysis) services, insurance companies typically use the following CPT billing codes. The exact codes authorized depend on the payer and the services being provided.
| CPT Code | Description |
|---|---|
| 97151 | Behavior Identification Assessment (conducted by a BCBA or qualified professional) |
| 97152 | Supporting Assessment conducted by a technician under supervision |
| 97153 | Adaptive Behavior Treatment by Protocol (1:1 ABA therapy, typically provided by an RBT) |
| 97154 | Group Adaptive Behavior Treatment by Protocol |
| 97155 | Adaptive Behavior Treatment with Protocol Modification (typically provided by a BCBA) |
| 97156 | Family/Caregiver Adaptive Behavior Treatment Guidance (parent training) |
| 97157 | Multiple-Family Group Adaptive Behavior Treatment Guidance |
| 97158 | Group Adaptive Behavior Treatment with Protocol Modification |
| 0362T | Behavior Identification Supporting Assessment involving multiple technicians (specialized assessment) |
| 0373T | Adaptive Behavior Treatment with Protocol Modification involving multiple technicians (specialized treatment) |
Common ABA Insurance Codes
The most frequently billed ABA codes are: 97151, 97153, 97155, and 97156.
- 97151 – Initial assessment and treatment planning
- 97153 – Direct 1:1 ABA therapy
- 97155 – BCBA supervision and protocol modification
- 97156 – Parent/caregiver training
Common HCPCS Codes (some payers still use them)
Certain Medicaid plans and legacy authorizations may use HCPCS "H" codes instead of CPT codes, such as:
- H2019 – Behavioral health intervention (often mapped to current ABA CPT treatment codes)
- H0031 – Mental health assessment
- H0032 – Treatment plan development
The use of HCPCS codes varies by state and insurance carrier. Many payers have transitioned to the CPT 97151–97158 code set.
