How Much Does ABA Therapy Cost in Illinois?

9 min read · Updated June 2026 · Get Started with ABA editorial team

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In short: ABA therapy costs in Illinois vary from $50 to $150 per hour for private pay, but most families use insurance or Medicaid, drastically reducing out-of-pocket expenses. Illinois law requires many private insurers to cover autism-related therapies like ABA, and the state's Medicaid program offers comprehensive coverage with little or no cost. Get Started with ABA can match you with vetted, BCBA-led providers who accept your specific insurance plan.

Key takeaways

  • Private pay rates for ABA therapy in Illinois typically range from $50 to $150 per hour, but most families pay much less through insurance.
  • Illinois' autism insurance mandate (Public Act 95-1017) requires large group plans to cover ABA therapy for children diagnosed with autism.
  • Medicaid in Illinois covers ABA therapy for eligible individuals, often with no copays or deductibles.
  • Early intervention (birth to age 3) through Illinois' Child and Family Connections program includes ABA under some plans.

Understanding ABA Therapy Costs in Illinois

For families in Illinois seeking applied behavior analysis (ABA) therapy for their child with autism, the question of cost often feels daunting. ABA therapy is a highly individualized, evidence-based intervention that helps children develop essential skills in communication, social interaction, and daily living. However, the cost of this transformative care can vary widely based on several factors, including the provider's location, the number of therapy hours, and the type of insurance coverage you have.

In this comprehensive guide, we'll break down the typical costs of ABA therapy in Illinois, what drives those costs, and how you can access affordable, high-quality care through insurance, Medicaid, or other funding sources. We'll also introduce you to Get Started with ABA, a free service that can connect you with vetted, BCBA-led providers who accept your specific insurance plan.

The good news is that Illinois has strong laws supporting families of children with autism. Public Act 95-1017, enacted in 2007, requires most private health insurance plans regulated by the state to cover autism-related therapies, including ABA therapy. Additionally, Illinois' Medicaid program (Medicaid and All Kids) offers comprehensive coverage for ABA therapy for eligible children and adults. This means many families can access the care their child needs without facing crippling out-of-pocket costs.

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Key Factors That Influence ABA Therapy Costs

The cost of ABA therapy is not a one-size-fits-all number. Several key factors determine how much you might pay. Understanding these can help you make informed decisions and plan accordingly.

Therapy Hours and Intensity

The most significant cost driver is the number of therapy hours per week. ABA therapy is often recommended for 20 to 40 hours per week for young children with autism, especially during early intervention. More hours mean higher total costs, but research consistently shows that early, intensive ABA is highly effective for improving outcomes.

At private pay rates, 30 hours of ABA per week at $100 per hour would cost $3,000 weekly, or roughly $156,000 annually. However, insurance approval and coverage typically cap hours based on medical necessity, often covering between 15 and 40 hours per week.

Provider Type and Location

Costs also vary by provider type. Board Certified Behavior Analysts (BCBAs) typically charge higher rates than supervised registered behavior technicians (RBTs), but BCBAs oversee the entire treatment plan. Providers in the Chicago metropolitan area may charge more than those in rural parts of Illinois due to higher overhead costs. However, through insurance, you generally pay the same out-of-pocket cost regardless of location, as long as the provider is in-network.

Insurance Plan Design

Your specific insurance plan determines your out-of-pocket costs. Factors include your deductible (how much you must pay before insurance starts covering), copays (a fixed amount per session), and coinsurance (a percentage of the cost you pay). Illinois' mandate helps ensure many plans cover ABA therapy, but details vary. Always verify coverage with your insurance provider before starting therapy.

Diagnosis and Age

Coverage is generally tied to a formal autism diagnosis (usually by a developmental pediatrician or psychologist). Children over age 3 may have different coverage through school-based services (Part B of IDEA) or private insurance. Early intervention services (birth to age 3) are covered through Illinois' Child and Family Connections program, which sometimes includes ABA.

What Are the Typical ABA Therapy Costs in Illinois?

Here's a realistic look at the numbers you might encounter.

Private Pay (Self-Pay)

If you do not have insurance, or if your insurance plan does not cover ABA, private pay rates in Illinois usually range from $50 to $150 per hour. The lower end is often for RBT-led direct therapy, while BCBA-led sessions (for assessment, parent training, or supervision) are at the higher end. A typical private-pay session is 2 to 4 hours at a time. Many providers offer sliding-scale fees or payment plans, but availability varies.

With Private Insurance

Most families with private insurance pay significantly less. After meeting your deductible, you may have copays of $10 to $50 per session, or coinsurance of 10% to 20% of the allowed amount. Some plans have an out-of-pocket maximum that caps total spending. Illinois' autism mandate (Public Act 95-1017) applies to plans regulated by the Illinois Department of Insurance, which includes many Blue Cross Blue Shield, UnitedHealthcare, Aetna, and Cigna plans. However, self-funded employer plans (often large employers) are governed by federal law (ERISA) and may not follow state mandates, so always check your specific plan.

Example: If your insurance allows ABA at a contracted rate of $120 per hour, and you have a 20% coinsurance after meeting a $2,000 deductible, you would pay $24 per hour for therapy until your out-of-pocket maximum is reached.

Through Medicaid or All Kids

Illinois' Medicaid program (including All Kids, which provides coverage for children) covers ABA therapy for eligible children with autism. For many families, there are no copays or deductibles, making this the most affordable option. To qualify, you must meet income requirements, though All Kids covers many families regardless of income for special healthcare needs like autism. Your child must have a qualifying diagnosis, and the therapy must be prescribed by a physician. Once approved, you can select a provider that accepts Medicaid (and many do, especially through managed care organizations like Blue Cross Blue Shield of Illinois or Meridian).

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How to Access Affordable ABA Therapy in Illinois

Navigating the world of ABA therapy and insurance can be overwhelming. Here's a step-by-step approach to finding affordable care.

Step 1: Get a Comprehensive Diagnosis

Before you can seek ABA therapy, your child needs an official autism diagnosis from a qualified professional, such as a developmental pediatrician, child psychologist, or neuropsychologist. In Illinois, early intervention evaluations are free through your local Child and Family Connections office (for children under 3). For older children, your pediatrician can provide a referral for an evaluation. You can also contact your school district for a free evaluation via IDEA (for ages 3+).

Step 2: Check Your Insurance Coverage

Call the number on your insurance card and ask specifically:

  • Does my plan cover ABA therapy for autism?
  • Are there any age limits or caps?
  • Do I need a prior authorization?
  • What are my copays, deductible, and out-of-pocket maximum for ABA?
  • Which providers are in-network?

Keep notes and ask for a reference number. If you have difficulty getting clear answers, your provider may have a dedicated autism or behavioral health coordinator who can help.

Step 3: Look for Providers That Accept Your Insurance

Once you know your coverage, search for ABA providers in Illinois that accept your insurance. Many large centers accept multiple plans. However, finding a provider with availability can be challenging, as waitlists are common. That's where a free matching service like Get Started with ABA can make a world of difference. We work with vetted, BCBA-led providers across Illinois, and we can help you find one that accepts your specific insurance, potentially saving you months of time and frustration.

Step 4: Explore Medicaid and Early Intervention

If you have low or moderate income, or if your child is under 3, explore Medicaid (All Kids) or the Illinois Early Intervention program. Apply for All Kids online or through your local Department of Human Services office. For early intervention, contact your local Child and Family Connections office-they coordinate evaluations and services for children under 3, which may include ABA therapy.

Step 5: Consider School-Based Services

Once your child is in school (usually age 3+), they may be eligible for special education services, including ABA, through the school district under IDEA. While school-based ABA is free, it is often less intensive than private therapy and is focused on educational goals. Many families combine school-based ABA with private therapy for maximum benefit.

Common Mistakes to Avoid When Planning for ABA Costs

Mistakes can cost you time and money. Here are some pitfalls to sidestep.

  • Not verifying coverage before starting: Even if a provider says they take your insurance, always check with your plan directly to confirm coverage and authorization requirements.
  • Ignoring the out-of-pocket maximum: If your plan has one, reaching it can mean free care for the rest of the year. Plan therapy hours to maximize your coverage.
  • Assuming all providers are the same: Quality varies. Look for providers with BCBA supervision, low staff turnover, and a focus on your child's unique needs. Get Started with ABA only works with vetted providers.
  • Not exploring all funding options: Don't forget about grants, scholarships (like from the Illinois Autism Grant or local nonprofits), and flexible spending accounts (FSAs) or health savings accounts (HSAs) that can be used for ABA.
  • Delaying due to cost concerns: Early intervention yields the best outcomes. Many families find that insurance covers far more than they expected, so don't let fear of cost stop you from seeking help.
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How Get Started with ABA Helps Illinois Families

You don't have to navigate this alone. Get Started with ABA is a completely free service designed to connect families with vetted, BCBA-led ABA providers in their area. Here's how we help:

  • No-cost matching: We don't charge families or providers for our service. You pay nothing.
  • Vetted providers: All providers in our network are BCBA-led, insured, and meet quality standards.
  • Insurance aware: We help you find providers who accept your specific insurance plan, including Medicaid and private insurance.
  • Local expertise: We understand the Illinois landscape, from Chicago to Carbondale, and can connect you with providers near you.
  • Personalized support: Our team can answer questions and guide you through the process of getting started.

To get started, simply visit our website and fill out a brief form. Within days, you'll receive a shortlist of providers tailored to your needs. We're here to help you find the care your child deserves-without the added stress.

Frequently Asked Questions About ABA Therapy Costs in Illinois

Here are some common questions families have, with straightforward answers.

Does Illinois require insurance to cover ABA therapy?

Yes, Public Act 95-1017 requires most private insurance plans regulated by the state to cover autism-related therapies, including ABA, for children under age 21. However, self-funded employer plans (governed by federal law) may be exempt. Always check your plan details.

What ages does Illinois' mandate cover?

The mandate applies to children up to age 21, but individual plans may have specific age caps. Some plans cover ABA only until age 12 or 18. Always confirm with your insurer.

How many hours of ABA therapy does insurance typically cover?

Insurance coverage is based on medical necessity. Many plans cover 15 to 40 hours per week for young children with a new diagnosis. Your provider will submit a treatment plan for approval.

Does Illinois Medicaid pay for ABA therapy?

Yes, Medicaid (including All Kids) covers ABA therapy for eligible children with a diagnosis of autism. Services must be prescribed by a physician and conducted by a BCBA. Copays are generally not required for most families.

Can I use an HSA or FSA for ABA therapy?

Yes, health savings accounts (HSAs) and flexible spending accounts (FSAs) can be used to pay for ABA therapy, including deductibles, copays, and coinsurance. This can also be used for private pay if you have an FSA eligible expense.

How long does it take to get approved for ABA therapy through insurance?

The process can take from a few weeks to a few months. It typically involves obtaining a diagnosis, getting a prescription from your doctor, submitting a treatment plan from the ABA provider, and waiting for insurance approval (prior authorization). Using a free matching service like Get Started with ABA can help streamline this.

If you're ready to find affordable ABA therapy for your child in Illinois, we're here to help. Our team can match you with vetted, BCBA-led providers who accept your insurance-for free. Start your journey today.

About this guide. Written and reviewed by the Get Started with ABA editorial team. This article is general educational information, not medical advice - please consult a qualified professional such as a BCBA or your pediatrician about your child's needs. Last updated June 2026.

Frequently asked questions

Does Illinois law require insurance to cover ABA therapy?

Yes, Public Act 95-1017 mandates that most private health insurance plans regulated by the state cover autism-related therapies, including ABA, for children up to age 21. However, self-funded employer plans may be exempt. Always verify with your specific insurance provider.

What are the typical private pay rates for ABA in Illinois?

For families without insurance coverage, ABA therapy in Illinois typically costs between $50 and $150 per hour. Rates vary based on provider type (BCBA vs. RBT), location, and session length. Many providers offer sliding-scale fees.

Does Illinois Medicaid cover ABA therapy?

Yes, Illinois Medicaid (including All Kids) covers ABA therapy for eligible individuals with an autism diagnosis. Services are typically provided with little to no out-of-pocket costs, though a physician's prescription is required. Contact your local Department of Human Services for eligibility.

How many hours of ABA therapy does insurance typically cover in Illinois?

Coverage hours are determined by medical necessity and your specific plan. For young children with a new autism diagnosis, plans often cover between 15 and 40 hours per week. The ABA provider submits a treatment plan for prior authorization to the insurance company.

When should I start looking for ABA therapy for my child?

Early intervention is critical. Begin as soon as you have a diagnosis or even while waiting for one. For children under 3, free evaluations are available through Illinois' Child and Family Connections program. Many families use a free matching service like Get Started with ABA to find providers quickly.

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