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A Guide for Parents on How to Interpret the Results of an Autism Screening Test

July 9, 2025 |

by Dr. Jacob Boney
a therapist performing a diagnostic assessment

If you’ve just received your toddler’s autism screening results and suddenly, you find yourself staring at a page of scores and diagnostic terms, feeling more confused than ever, you’re not alone. High risk? Moderate risk? Interventions? What does it all mean? For parents already facing worries about your child’s future, this moment can feel like standing at a crossroads, with no idea which path to take. How do you make sense of these results to find a way forward? With 1 in 36 children in the U.S. diagnosed with autism spectrum disorder (ASD) according to the CDC, this guide is for parents trying to make sense of the process of interpreting autism screening results, offering clear steps to guide your family, with Scottsdale PBS as your partner along every step of the way.

Making Sense of Autism Screening Results

An autism screening test is the first step in finding out whether or not your child may have autism spectrum disorder (ASD), a neurodevelopmental condition that can affect everything from social skills to communication and behavior, in a variety of ways. These quick checks, often administered during regular pediatric visits, spotlight early autism signs parents should watch out for, like delayed speech or repetitive or involuntary behaviors. The results help you decide if further evaluation is needed, opening the door to early interventions like Applied Behavior Analysis (ABA) therapy, physical therapy, and speech therapy.

What Autism Screening Tests Tell You

Screening tests, like the Modified Checklist for Autism in Toddlers (M-CHAT), are diagnostic tools—often brief parent questionnaires or simple observation sessions—used to gauge ASD risk in toddlers and young children, usually starting between 16 and 30 months. Clinicians ask about behaviors, like whether your child points to show when they want something or responds to their name. The results aren’t necessarily a final verdict, but they can show you the way forward to secure the best future for your child. Interpreting autism screening scores means understanding how the tests work, risk levels, and professional recommendations, turning confusion into a plan you can act on. Let’s walk through how to do this with confidence.

How to Interpret Autism Test Scores

Interpreting autism screening results means seeing past the numbers and terms to determine the best plan of action for your child.

Understanding the Autism Spectrum Scoring System

Screening tests assign points based on your answers. For instance, saying “no” to “Does your child point to show interest?” might raise the score. Results fall into risk categories:

  • Low Risk: A low risk score suggests typical development in most cases, but lingering concerns, like a 2-year-old not babbling, may call for continued tracking.
  • Moderate Risk: Scores in this range point to some ASD-like behaviors, like repetitive movements or not responding to their name, and can indicate the need for a follow-up screening or specialist referral.
  • High Risk: High risk scores show a strong chance of ASD, urging a full evaluation.

Your pediatrician will help explain the score and risk level to make sure you fully grasp its implications, and in the case of a moderate or high risk score, offer recommendations. Scottsdale PBS is here to assist with follow-up assessments to clarify these results!

Dig into the Report’s Details

The screening usually comes with a short report summarizing some points that require extra attention:

  • Key Behaviors: Here, any observed or reported concerns like limited eye contact or repetitive stacking are highlighted, flagging areas for further examination.
  • Doctor’s Notes: This section usually consists of the clinician’s thoughts and conclusions based on previous observations, like your toddler’s disinterest in play during the visit.
  • Action Steps: If your child’s score suggests the need for further monitoring, rescreening, or seeing a specialist, next steps will be outlined here. High-risk scores typically push for immediate evaluation.

If for any reason the report feels unclear or you have further questions, don’t hesitate to request a detailed explanation from your pediatrician. Scottsdale PBS provides expert guidance to help you decode these details.

Understanding the Limits of Autism Screening Tests

Screening tests are not a perfect diagnostic tool, but they’re a good starting point. A high score doesn’t always confirm ASD, and a low score doesn’t necessarily rule it out. False positives (high test scores without ASD) and false negatives (low test scores despite ASD traits) can and do sometimes occur. For example, a shy toddler might score high due to avoiding attempts at play or communication, while a child with milder traits who is already learning to adapt some behaviors might score low. If your instincts as a parent raise concerns, always pursue further evaluation regardless of the score. Scottsdale PBS offers in-house diagnostic assessments for children to provide a clearer picture and a path forward.

Charting Your Next Steps After Receiving Test Results

The risk level determines your next moves:

  • Low Risk: For children who score low and don’t show other traits of autism, simply keep an eye on development, noting any delayed speech or social behaviors. Schedule regular checkups and rescreen if worries persist.
  • Moderate Risk: In this case, it’s usually best to plan a follow-up screening or specialist referral just to be safe. Track behaviors, like avoiding family playtime and hand flapping, to note in future discussions.
  • High Risk: Even if your child doesn’t show other traits of autism, in the case of a high risk score, it’s always best to seek a full evaluation from specialists to confirm ASD.

Scottsdale PBS supports you with expert evaluations here in Scottsdale, Arizona, ensuring a smooth transition from screening to diagnosis to interventional therapies.

After Screening: The Full Evaluation

A moderate or high-risk score typically leads to a comprehensive evaluation, which might include:

  • Observing Your Child: Specialists observe your child in various settings, including play or interactions with family, noting habits like repetitive actions or avoiding eye contact.
  • Talking with You: As a parent, you are the best source of information on your child, so clinicians will go over your child’s developmental history and milestones during an autism assessment.
  • Using Diagnostic Tools: Tests like the Autism Diagnostic Observation Schedule (ADOS) assess social and communication skills to determine if significant autism related behaviors are present. Your clinician will then use results from all data gathered in addition to their clinical judgement to make a diagnosis and determine appropriate levels of support.
  • Feedback Appointment: After all testing measures have been administered your clinician should sit down with you and review all results in detail, answer any questions you may have, provide a diagnosis if diagnostic criteria are met, and discuss relevant recommendations and other methods to support your child.

After the feedback, you will receive a detailed report that reviews test results, diagnostic conclusions, and recommendations that were discussed during the feedback, like ABA, physical, occupational, or speech therapy, depending on your child’s needs. A 2-year-old diagnosed with ASD might start learning to understand social cues better and how to communicate their needs through a combination of therapies, for example. Scottsdale PBS provides thorough evaluations with personalized recommendations and therapy all at our comfortable 17,000 sq. foot facility in Scottsdale, AZ.

Starting therapy before age 5 is essential to tap into the brain’s neuroplasticity while it’s at its most powerful, making it possible to enhance skills like sharing emotions and adapting to changes. Scottsdale PBS offers expert diagnostic assessments for children, shining a spotlight through the confusion to take you from uncertainty to action.

Scottsdale PBS Supports Parents Through Autism Testing and Beyond

If you’ve been noticing early autism signs in your child and want clarity and a plan to move forward for how to best support your child, contact Scottsdale PBS today. Our highly skilled licensed psychologists offer diagnostic assessments and personalized therapeutic interventions to accurately diagnose and help your child develop tools to help them reach their full potential. Our caring team is here to guide you with expertise and warmth through every step of the journey.

Understanding autism screening results equips you to take action. Whether tracking developmental milestones or seeking an autism diagnosis evaluation, you’re building a brighter path forward for your child. Scottsdale PBS is your partner, offering reliable ABA therapy for toddlers in Scottsdale and tailored assessments to meet your family’s needs. Take the first steps today to help your child shine!

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