All 50 States · Updated April 2026

Medicaid Autism Coverage by State

Does your state's Medicaid cover ABA therapy? What about adults? Which states have HCBS waivers? Compare all 50 states in one table.

50 / 50
Cover ABA for children (EPSDT)
4
Cover ABA for adults
49
Have private insurance mandate
1
No private mandate

All 50 states must cover ABA for children under 21

Federal EPSDT law requires every state Medicaid program to cover any medically necessary service for enrolled individuals under age 21 — including ABA therapy, speech therapy, occupational therapy, and diagnostic evaluations. Marked as "Yes (EPSDT)" in the table below.

Showing 50 of 50 states · Click any row to expand details

Yes (EPSDT) = all states, children under 21Limited = via DD waiver, not direct MedicaidYes = explicit adult ABA coverage
StateABA (Children)ABA (Adults)
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Yes
Yes (EPSDT)Limited
Yes (EPSDT)Yes
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Yes
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Yes
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited
Yes (EPSDT)Limited

Strongest Adult Coverage

These states have explicit Medicaid ABA coverage for adults (not just via DD waiver):

ArizonaCaliforniaMassachusettsPennsylvania

No Private Mandate

Private insurance is not required to cover ABA in these states:

South Dakota

ABA Benefit Caps

These states cap annual ABA benefits under private insurance mandates:

Arkansas$50,000/yr
Mississippi$36,000/yr

Self-funded employer plans are not covered by state mandates

If your health insurance comes through a large employer, your plan is likely "self-funded" and regulated federally under ERISA — not by your state's insurance mandate. This means even families in states with strong mandates may not have ABA coverage under their employer plan. Check your plan's Summary of Benefits or call your insurer's member services line to confirm.

Use our Insurance Calculator to check your specific plan →

Frequently Asked Questions

Find Medicaid-Accepted Providers

Search our directory to find autism providers in your state that accept Medicaid.