Untitled

ABA billing in 2026 involves accurate coding, detailed documentation, and insurance compliance to ensure smooth reimbursement for Applied Behavior Analysis services. Providers must correctly use CPT codes related to assessments, therapy sessions, supervision, and treatment planning while meeting payer-specific requirements.

Key Points

ABA billing relies on correct CPT code selection for therapy, assessment, and supervision services.

Proper documentation is essential to support medical necessity and avoid claim denials.

Insurance verification and prior authorization play a major role in reimbursement success.

Common challenges include coding errors, denied claims, underpayments, and changing payer guidelines.

Efficient ABA billing helps providers improve cash flow, reduce administrative burden, and maintain compliance.

ABA billing denials often start from incorrect CPT codes, missing modifiers, and authorization gaps. Here's the complete 2026 ABA billing guide, including codes, modifiers, Medicaid rules, and fixes.