Autism and ABA research reports
Find a report, check what it counts, and download the data. Every report links to its original source.
3 reports
Public Medicaid ABA spending data compared with CMS totals
For the same eight ABA billing codes in 2024, the February 2026 HHS public extract sums to $2.117 billion, compared with $8.103 billion in the August 2026 CMS data book. The difference is not a fraud estimate.
Medicaid spending on ABA therapy
CMS reports $10.11 billion in Medicaid and CHIP payments for ABA services in 2025. Compare the national series and reported state totals.
Federal audits of autism-service payments
Four HHS-OIG audits estimated at least $198.6 million in improper payments. Their service definitions and audited years differ.
Reports include source notes, calculations and downloadable data.