If you are searching for autism testing and diagnosis in Arlington, TX, you may be looking for answers, guidance, and the next right step for your child. Many families begin this process after noticing differences in communication, play, behavior, social interaction, learning, or sensory needs.
At Sierra Behavioral Therapy, we want to be very clear: we do not provide autism testing or medical diagnosis in Arlington, TX. Our role begins after a child has received an official autism diagnosis and the family is ready to explore ABA therapy. This page is here to help Arlington families better understand the evaluation process, why a formal diagnosis matters, and where to start when looking for local providers who offer autism testing and diagnosis.
What is the difference between autism screening and autism diagnosis?
For Arlington parents, it helps to know that screening and diagnosis are not the same thing.
An autism screening is an early check to see whether a child may need a more complete evaluation. A screening does not confirm autism on its own. The CDC explains that diagnosing autism usually relies on two main sources of information: a parent or caregiver’s description of a child’s development and a professional’s direct observation of the child’s behavior. The CDC also notes that no single tool should be used by itself as the basis for diagnosis.
The CDC also states that all children should be screened specifically for autism during regular well-child visits at 18 months and 24 months. Research summarized by the CDC says autism can sometimes be detected as early as 18 months, and by age 2, a diagnosis made by an experienced professional can be considered very reliable.
Who can diagnose autism in Arlington, TX?
Families in Arlington often start by talking with their child’s pediatrician, sharing what they are noticing, and asking for a referral for a full autism evaluation. According to the CDC, specialists involved in autism diagnosis may include developmental-behavioral pediatricians, neurodevelopmental pediatricians, child neurologists, geneticists, and other qualified assessment programs.
In practice, an Arlington autism evaluation may be completed by a qualified psychologist, physician, or interdisciplinary team, depending on the provider.
What happens during an autism evaluation?
A full autism evaluation is usually more detailed than a quick checklist or office conversation. That is because a quality evaluation is meant to look at the whole child, not just one symptom.
An autism evaluation often includes:
- developmental history from parents or caregivers
- direct observation of the child
- structured testing or assessment tools
- review of communication, behavior, and social interaction
- input about how the child functions across daily settings
The CDC explains that diagnosis usually combines parent or caregiver descriptions with professional observation, and that multiple tools may be used as part of a broader assessment process.
Why an official autism diagnosis matters before starting ABA therapy
For families looking for ABA therapy in Arlington, TX, an official diagnosis is often an important step before services can begin.
For Arlington families using Texas Medicaid, state rules say ABA services may be available only when documentation of an autism spectrum disorder diagnosis is in place. The rule says that documentation must identify current ASD symptoms and severity using the DSM, include additional diagnostic tool data when appropriate, confirm that the diagnosis is based on a comprehensive evaluation, and be current within three years of the request for ABA services. Texas Health and Human Services also says a child will need an evaluation to determine whether they qualify for Medicaid ABA services.
In everyday terms, a formal diagnosis helps move a family from uncertainty to a clear plan. It creates the documentation needed for certain services and helps treatment providers understand where to begin.
Questions to ask an autism testing provider in Arlington
When calling an autism evaluation provider in Arlington, it can help to ask:
- Do you provide a formal autism diagnosis or only screening?
- What ages do you evaluate?
- Do you accept our insurance or Medicaid?
- Do you require a pediatrician referral?
- How long is the wait for testing?
- Will we receive a written diagnostic report?
- Will the report include the documentation needed for ABA services?
These questions can save families time and make it easier to choose the provider that best fits their needs.
What to do while you wait for an evaluation
Waiting for autism testing in Arlington can feel overwhelming. While you wait, it may help to write down what you are noticing at home, gather developmental history, keep examples from school or daycare, and make a list of questions for the evaluator.
It is also a good idea to talk with your child’s pediatrician about your concerns as early as possible. The CDC emphasizes that earlier identification can help families access support sooner.
How Sierra Behavioral Therapy helps after diagnosis
Once your child has received an official autism diagnosis, Sierra Behavioral Therapy can help your family take the next step with personalized ABA therapy in Arlington, TX. We partner closely with parents and caregivers and build care plans around each child’s strengths, needs, routines, and goals.
Our approach is never one-size-fits-all. We focus on meaningful progress, strong family collaboration, and support that fits real life at home, in school, and in the community.
If your child already has a diagnosis and you are looking for ABA therapy in Arlington, TX, our team is here to help you understand what comes next.
Autism testing and diagnosis providers in Arlington, TX
Because Sierra Behavioral Therapy does not provide diagnostic services, Arlington families may want to explore local providers who currently list autism testing or evaluation services.
MindView Psychology
MindView Psychology located at 3617 W. Pioneer Parkway, Ste #100, Arlington, TX 76013 and offers autism evaluations and autism assessments for children, teens, and adults.
Your Joy Psychological Assessments
Your Joy Psychological Assessments is located at 2000 East Lamar Boulevard, Suite 635, Arlington, TX 76006 and offers autism testing, ADHD, dyslexia, learning disability, and neuropsychological testing.
Dallas Therapeutic Services
Dallas Therapeutic Services in Irving, TX offers Autism Spectrum Disorder assessments along with individual, family, and relationship therapy. Its service overview lists psychological testing and therapy, but I did not see ABA therapy listed.
Families should always confirm details directly with any provider, including age ranges, insurance acceptance, referral requirements, appointment availability, and whether the evaluation includes the documentation needed for ABA or insurance authorization.
