Shorter Denials, Tighter Deadlines & What Clinics Must Do Prior authorization in ABA is getting tighter. Not only are payers shortening decision timelines… They’re also shortening how long you have to fix and resubmit after a denial. And most denials aren’t clinical. They’re administrative. Missed dates. Outdated graphs. Formatting errors. That means therapists get pulled from care to fix paperwork — and operators feel the downstream pressure fast. ABA is still relatively new in the insurance wo