What Is Autism Screening?

PostedNovember 7, 2025

UpdatedNovember 7, 2025

ByMy Patient Advice

Author: Lucia Alvarez, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Autism screening is the process of assessing a child for signs of autism spectrum disorder (ASD) at an early age. This important step helps identify potential developmental concerns and enables early detection of autism. The earlier autism is identified, the sooner families can access the necessary resources, support, and interventions, improving the child’s long-term development and well-being.

Screening typically involves developmental check tools that evaluate the child’s communication skills, social behaviours, and developmental milestones. While autism screening is not a definitive diagnosis, it helps professionals determine whether further evaluation or diagnostic testing is needed.

How Autism Screening Works

Here’s how autism screening typically works:

Initial Assessment:

During a routine visit to the pediatrician, parents may complete questionnaires about their child’s behaviour, speech, and social interactions. The doctor may also observe the child’s developmental progress and interactions.

Identification Tools:

Tools such as the Modified Checklist for Autism in Toddlers (M-CHAT) or the Ages and Stages Questionnaire (ASQ) are often used to screen for early signs of autism. These identification tools help parents and professionals assess whether a child’s behaviour aligns with typical development or if further investigation is required.

Referral for Diagnostic Evaluation:

If the screening indicates potential signs of autism, the child may be referred for further evaluation by specialists. This can include more comprehensive tests like the Autism Diagnostic Observation Schedule (ADOS) and other diagnostic tools.

While autism screening does not provide a diagnosis, it plays a critical role in identifying children who may benefit from additional assessment and early intervention. For expert advice and personalised consultations, visit providers like Autism Detect for guidance on screening and early support.

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Autism Screening and Assessment Tools.

Lucia Alvarez, MSc

Author

Lucia Alvarez is a clinical psychologist with a Master’s in Clinical Psychology and extensive experience providing evidence-based therapy and psychological assessment to children, adolescents, and adults. Skilled in CBT, DBT, and other therapeutic interventions, she has worked in hospital, community, and residential care settings. Her expertise includes grief counseling, anxiety management, and resilience-building, with a strong focus on creating safe, supportive environments to improve mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy.

Dr. Rebecca Fernandez, MBBS

Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy.