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Last updated: October 19, 2026

Virginia Medicaid ABA Guide

Does Medicaid Cover ABA Therapy in Virginia?

Yes, when ABA is medically necessary for a child under 21 and approved in advance. The steps below run from finding a contracted Cardinal Care provider to a service-authorization decision.

See the 6 steps

Clinically reviewed by Meaghan Timko, MS, BCBA, LBA BACB certification #1-05-2608

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The short answer

Virginia Medicaid covers medically necessary Applied Behavior Analysis for children under age 21 through EPSDT. Most families receive that coverage through Cardinal Care. A contracted provider must assess the child, prepare an individual service plan, and receive service authorization before treatment starts.

This is a Medicaid state-plan / EPSDT benefit, not a FIS Waiver service. Current DMAS criteria are built on diagnosis, functional impairment, and medical necessity, not on an autism-only rule. A 2026 budget item would add an autism-diagnosis requirement and a weekly hour limit; Those authorization changes wait on CMS approval.

The coming autism-diagnosis rule and the provisional path for young children

Item 291.WW.2 of Virginia's 2026 Appropriation Act directs DMAS to require an autism spectrum disorder diagnosis before it authorizes ABA. Children age 5 and younger can qualify on a provisional autism diagnosis for one year, using a protocol DMAS designates. Lawmakers added that provisional path through HB30 budget amendment Item 291 #18c, because a final diagnosis in very young children is often hard to reach. The same item sets a 20-hour weekly limit that EPSDT medical necessity can exceed, and it does not apply to behavior therapy that school divisions bill through Medicaid.

None of this changes your child's authorization yet. The authorization process stays the same until CMS approves the changes and DMAS updates its manual, and DMAS will announce the effective date separately (see the DMAS provider bulletin). The rule tracks federal guidance: CMS's August 4, 2026 ABA toolkit tells states to tie sustained ABA coverage to a confirmed autism diagnosis, with limited, time-bound services allowed when autism is strongly suspected and an evaluation is pending. If your young child is waiting on a full evaluation, ask your provider how it plans to document a provisional diagnosis under the DMAS protocol.

Proposed Appendix D revision: public comment closes October 21

As of October 4, 2026, DMAS has proposed revisions to the Mental Health Services Manual’s ABA Appendix D, addressing ABA admission and medical-necessity criteria. The official Town Hall forum records publication on September 21, comments through October 21, and a planned effective date of October 22. The proposal is not current coverage criteria as of October 4; continue to confirm current requirements with your plan and provider, and recheck the final DMAS manual after October 22 before relying on any change. This is separate from the 2026 budget-item autism-diagnosis and hour-limit changes discussed above, which remain pending CMS approval.

Start-to-authorization path

How Virginia Medicaid ABA coverage works

The provider owns most of the clinical paperwork. The parent’s job is to confirm the health plan, choose the provider carefully, send complete records, and track the written decision.

  1. 1

    Confirm Medicaid and the health plan

    Check that your child is currently enrolled and whether care runs through a Cardinal Care managed-care organization or fee-for-service. The member ID and plan name are what the provider will use to check the network and submit authorization.

  2. 2

    Find a contracted ABA provider

    Fee-for-service members search the Medicaid provider portal. Cardinal Care members search their health plan’s directory or the enrollment website. “Accepts Medicaid” on a clinic website is not enough; the provider also has to be in that child’s plan network.

  3. 3

    Get a recommendation and complete the in-person assessment

    Under Virginia rules, a primary care provider, physician, physician assistant, or nurse practitioner must recommend behavioral therapy. The ABA provider then completes an in-person assessment with the child and caregiver. That assessment is face-to-face in the home.

  4. 4

    Let the provider submit service authorization

    Treatment generally cannot start under this benefit until the plan or Acentra Health authorizes it. The provider submits the assessment, a preliminary individual service plan, and requested units for each treatment code. Assessment codes do not require authorization.

  5. 5

    Read the determination letter

    Confirm the authorized services, hours, setting, and end date. If reviewers asked for extra documentation on hours above 20 per week, that is currently a paperwork threshold, not proof that extra hours are banned.

  6. 6

    Act on a denial or partial approval

    Read the adverse-benefit notice and its deadline. For Cardinal Care, file the plan’s internal appeal within 60 calendar days. If the plan upholds the denial, you generally have 120 calendar days from that final decision to request a DMAS State Fair Hearing.

Sources: DMAS Mental Health Services Manual Appendix D and the Cardinal Care Model Member Handbook.

Questions to ask before intake

“Accepts Medicaid” is only the first filter. You also need a provider in your child’s Cardinal Care network or fee-for-service panel, in a workable setting, with a start timeline you can live with. Compare in-home versus center-based ABA and use the therapy-center visit questions before you commit to intake.

  • Are you currently accepting new Cardinal Care or Virginia Medicaid clients in my ZIP code, and which plans are you contracted with?
  • Do you provide in-home, center-based, school-observation, or hybrid care, and can you justify a clinic setting if that is what you recommend?
  • How soon can the in-person assessment begin, and what records should I send first?
  • Who prepares and submits the service authorization, and how will you update me on its status?
  • How often will a licensed behavior analyst observe care and review progress with our family?
  • What happens if the approved hours differ from the treatment recommendation?
  • How do you handle a continued-stay request before the current authorization expires?

Which Virginia ABA providers accept Medicaid?

Virginia ABA providers that accept Medicaid are the ones contracted with your child's Cardinal Care plan, or enrolled with DMAS for fee-for-service, so use the city lists below as a starting point and confirm the plan by name during intake. Our guide to finding ABA therapy that accepts your Medicaid plan has the questions to ask on that call.

Fairfax 27 providers Herndon 22 providers Alexandria 20 providers Centreville 20 providers Berryville 19 providers Chantilly 19 providers Falls Church 19 providers Fredericksburg 19 providers Manassas 19 providers McLean 19 providers Sterling 19 providers Warrenton 19 providers
Browse all Virginia cities

If authorization is denied or reduced

A denial or partial approval should explain the reason and the member’s appeal rights. Ask the provider to compare the decision with the assessment and individual service plan. Missing records may be handled differently from a disagreement about medical necessity, so the written reason matters. The Cardinal Care handbook gives members 60 calendar days to appeal to the plan, then 120 calendar days from the plan’s final decision to request a DMAS State Fair Hearing. Follow the instructions in the current letter.

Keep together

Assessment, recommendation, individual service plan, authorization decision, progress records, provider notes, and every letter or portal message.

Ask immediately

What is the deadline? Can the provider submit more information or a new authorization request? Have you exhausted the plan appeal so a State Fair Hearing can be filed?

Frequently asked questions

Does Medicaid cover ABA therapy in Virginia? +
Yes, when ABA is medically necessary for a child under 21. Applied Behavior Analysis is an EPSDT medically necessary service under DMAS. A contracted provider must assess the child and obtain service authorization before treatment starts. Confirm the child’s current enrollment and plan with DMAS or the Cardinal Care MCO.
Does my child need an autism diagnosis for Virginia Medicaid ABA? +
Not under the current Mental Health Services Manual. Appendix D requires a primary ICD diagnosis that correlates to a DSM diagnosis, or a provisional psychiatric diagnosis from a licensed mental health professional, plus listed functional-impairment criteria. A 2026 budget item would add an autism-diagnosis requirement, but the authorization process does not change until CMS approves the amendment and the manual is updated (DMAS, July 28, 2026).
What is service authorization for ABA in Virginia? +
It is Virginia Medicaid’s prior-approval step for treatment. The ABA provider submits the assessment, individual service plan, and requested units. Cardinal Care members go through their MCO. Fee-for-service members go through Acentra Health. Assessment CPT codes do not require authorization.
Is there a 20-hour weekly cap on Virginia Medicaid ABA? +
Not as a live hard cap in the current authorization process. DMAS already requires extra, individualized documentation for requests over 20 hours a week. The 2026 Appropriation Act directs a 20-hour weekly limit that can be exceeded with documented EPSDT medical necessity, but that change waits on CMS approval and a manual update.
Are Virginia Medicaid ABA criteria changing in October 2026? +
DMAS posted proposed Mental Health Services Manual Appendix D revisions for public comment on September 21, 2026. Comments close October 21, and the forum lists October 22 as the planned effective date. As of October 4, the draft is not current coverage criteria. Confirm the final manual and implementation status with DMAS after the planned date. This guidance-document proposal is separate from the 2026 budget changes that still await CMS approval.
What if Cardinal Care denies or reduces the requested ABA hours? +
Read the notice first. You generally have 60 calendar days to file the plan’s internal appeal. If the plan’s final decision is still a denial, you generally have 120 calendar days from that decision to request a DMAS State Fair Hearing. You may be able to keep getting previously authorized services during the appeal if you file quickly; the window is 10 calendar days from the notice mail date (Cardinal Care handbook and DMAS appeal rules). Keep the assessment, service plan, denial letter, progress data, and all messages together.
Does the Virginia FIS Waiver pay for ABA? +
FIS is a developmental-disability waiver with a priority-based waitlist. It is not the ABA coverage path. EPSDT still applies to children on the FIS Waiver, and Medicaid ABA runs through Cardinal Care or fee-for-service service authorization. Do not wait for a waiver slot to start this process.
Where can I find Virginia Medicaid ABA providers? +
DMAS points fee-for-service members to the Medicaid provider portal and Cardinal Care members to their health-plan / enrollment-site directory. You can also browse Virginia ABA listings by city below or ask Special Needs Care Network for a free shortlist based on your ZIP code and coverage.

Official Virginia sources

This guide summarizes public program information and is not medical, legal, or coverage advice. Benefit rules, provider participation, and authorization requirements can change. Confirm your child’s current coverage with DMAS, the Cardinal Care plan, and the treating provider.

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