ABA Billing Denials in 2026: The Patterns Behind the Recoupment Demands
Payers are running post-payment utilization reviews on ABA claims in 2026 and issuing recoupment demands on sessions that were delivered correctly. This article breaks down the five denial patterns hitting ABA practices right now, from unit calculation errors and supervision ratio flags to NCCI bundling edits and authorization unit exhaustion, and shows what audit-ready ABA billing actually requires before a claim leaves your practice.