Autism Diagnostic Evaluation Billing — 2026 Bundle
Autism diagnostic evaluation is one of the highest-value ABA billing events — it authorizes months of downstream treatment. Get the evaluation billing wrong and you delay treatment authorization by weeks.
The Autism Diagnostic Bundle 2026
- 96110 — Developmental screening (short M-CHAT/M-CHAT-R type)
- 96127 — Emotional/behavioral assessment (SDQ, PDDBI, SRS-2)
- 90791 — Psychiatric diagnostic evaluation (without medical services)
- 90792 — Psychiatric diagnostic evaluation WITH medical services (physician only)
- Concurrent with 97151 — ABA behavior identification assessment (see 97151 guide)
Common Denials 2026
- 96127 units miscounted (per instrument, not per session)
- 90791 vs 90792 misapplication
- Concurrent 90791 + 97151 denied for same-day billing conflict (some payers)
- Missing standardized instrument documentation
– KD, Revenant Care