Early Signs of Autism in Toddlers: When to Seek an Evaluation

Mother watching toddler eat a snack, early signs of autism in toddlers

As a parent, you know your child better than anyone. So when something feels a little different about how they communicate, play, or connect with you, that instinct is worth paying attention to. Many parents tell us they noticed small things for months before anyone else did, and by the time they came in for an evaluation, they wished they had trusted that instinct sooner.

Autism can be reliably identified as early as 18 to 24 months, and getting an evaluation early opens the door to support that can make a real difference in how a child learns to communicate, regulate, and connect with the world around them. Here is what to look for and what your next steps could be.

What Early Signs of Autism Can Look Like

Every child develops at their own pace, and no single sign means a child is autistic. What matters is a pattern of differences in social communication and behavior that shows up across settings, not just one bad day. Common early signs pediatricians and evaluators look for include:

By 12 months, a baby not responding to their name, limited eye contact, or not babbling or gesturing (such as waving or pointing) can be early indicators.

By 18 months, not pointing to show interest in something, not bringing objects to show a caregiver, or a lack of pretend play (like feeding a stuffed animal) are worth noting.

By 24 months, few or no meaningful two word phrases, difficulty following simple instructions, or strong preferences for routines and distress when they change can stand out.

At any age, other signs include repetitive movements such as hand flapping or rocking, intense focus on specific objects or topics, unusual reactions to sounds, textures, or lights, and loss of language or social skills a child previously had.

If you are noticing a few of these patterns together, or if your gut is telling you something, that is reason enough to ask questions. You do not need to wait for a diagnosis to justify a conversation with your pediatrician or an evaluator.

Why Early Evaluation Matters

Pediatricians typically use autism specific screening tools, such as the M CHAT R, at the 18 month and 24 month well child visits. But screening is just a first step. A screening tool can flag a concern, while a full developmental evaluation is what actually identifies whether a child meets criteria for an autism diagnosis and, just as importantly, what kind of support would help them most.

Research consistently shows that children who receive early intervention, whether or not they ultimately receive an autism diagnosis, tend to make stronger gains in communication, social skills, and behavior. Early evaluation is not about labeling a child. It is about understanding how your child's brain works so you can get them the right support at the age when their brain is most receptive to it.

And if your child is getting close to school age, timing can matter even more. Signs Your Child's ADHD or Autism Evaluation Shouldn't Wait Until the School Year Gets Hard walks through why putting it off can make the transition to school harder than it needs to be. It is also worth knowing that autism and ADHD often overlap, something we break down in What Is AuDHD?

Girl playing with a ball during a play based autism evaluation in NJ

What an Autism Evaluation Involves

A comprehensive evaluation typically includes a detailed conversation with parents about developmental history, direct observation and structured play based assessment with your child, standardized testing, and a written report with clear, practical recommendations. At True Reflections Mental Health Services, we evaluate children starting at 2.5 years old through adulthood, and we deliver your results and recommendations in a feedback session, so you are never just handed a report and left to interpret it on your own.

Because we are a private pay, out of network practice, families are not stuck waiting months for an in network appointment. We also offer telehealth evaluation services throughout New Jersey and Florida, so distance or a packed schedule does not have to delay getting answers. If you are weighing a school based evaluation against a private one, this guide explains the difference between a school evaluation and a private evaluation in NJ.

If your child does receive an autism diagnosis, we also offer neurodiversity affirming therapy approaches built for young autistic children, including AutPlay Therapy and play therapy.

If You Are Not Sure, Ask

You do not have to be certain something is wrong to schedule an evaluation. Most of the parents we work with started with a feeling, not a diagnosis. Trusting that instinct and getting a professional opinion is one of the most protective things you can do for your child's development.

If you have noticed any of the signs above, or you simply want a professional set of eyes on your toddler's development, reach out to schedule an autism evaluation at True Reflections Mental Health Services. We serve families in Middlesex, NJ and throughout New Jersey and Florida via telehealth. Not sure who to choose? Here is what to look for when finding the right professional for your child's evaluation


Frequently Asked Questions

Have more questions? Visit our full FAQ page for answers about evaluations, fees, and what to expect.

How early can autism be diagnosed?

Autism can often be reliably diagnosed by 18 to 24 months, and in some cases even earlier. Many children are not formally evaluated until later, so an early evaluation can mean earlier access to support.

What is the earliest sign of autism in a baby?

Common early signs include limited eye contact, not responding consistently to their name by 12 months, and reduced babbling or gesturing such as waving or pointing.

Should I wait to see if my toddler grows out of it?

Waiting is rarely the right call. If you have a concern, an evaluation can either provide reassurance or open the door to early intervention, and both outcomes are valuable.

Does my toddler need a doctor's referral for an autism evaluation?

No referral is required at True Reflections Mental Health Services. Parents can reach out directly to schedule an evaluation.

Do you offer autism evaluations through telehealth?

Yes. We offer telehealth autism evaluations for families throughout New Jersey and Florida, in addition to in person appointments in Middlesex, NJ.

What age do you start evaluating for autism?

We evaluate children beginning at 2.5 years old through adulthood.

Other Services at True Reflections MHS

In addition to evaluations for children and teens, I also offer:

•  ADHD and Autism Evaluations for Adults 

•  Autism and Anxiety Therapy

•  ADHD and Anxiety Therapy

•  Trauma Therapy for ADHD and Autism

•  Affirming Therapy for ADHDers

•  Affirming Therapy for Autistics

•  Later in Life ADHD and Autism Diagnosis Support 

•  Prenatal and Postpartum Therapy

•  Play Therapy, AutPlay Therapy, Sandtray Therapy, EMDR Therapy, DBT, and more  

All services are available in person in Middlesex, NJ and virtually throughout New Jersey and Florida.


Janine Kelly, MSW, LCSW, C-NDAAP, ADHD-CCSP, ASDCS, PMH-C, RPT-S™, C-DBT, CBT-C, CCATP-CA is a neurodivergent psychotherapist and the Founder of True Reflections Mental Health Services in Middlesex, NJ. She provides comprehensive, neurodiversity affirming ADHD and Autism evaluations for children, teens, and adults in person and virtually throughout New Jersey and Florida. Janine specializes in the diagnosis of ADHD and Autism in girls and women.

To request an ADHD and Autism evaluation, please click below:

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