Autism Diagnostic Interview, Revised (ADI-R) is used to diagnose Autism, plan treatment and distinguish Autism from other developmental disorders

Autism Diagnostic Observation Schedule, Second Edition (ADOS-2) is used to assess and diagnose autism spectrum disorders across age, developmental level and language skills.

The Autism Spectrum Rating Scales (ASRS™) provides the first nationally standardised, norm-referenced ASD Rating Scale. This multi-informant measure helps identify symptoms, behaviours, and associated features of Autism Spectrum Disorders (ASDs) in children and adolescents

Childhood Autism Rating Scale - Second Edition (CARS2) is a brief rating scale that helps identify autism in children. CARS2 offers an easy-to-use tool that helps distinguish from developmentally disabled children who are not autistic, giving quantifiable ratings based on direct behaviour observation

Gilliam Autism Rating Scale, Third Edition (GARS-3) is one of the most widely used instruments for the assessment of autism spectrum disorder in the world. The GARS-3 assists teachers, parents, and clinicians in identifying autism in individuals and estimating its severity

Monteiro Interview Guidelines for Diagnosing the Autism Spectrum, Second Edition (MIGDAS-2) is an efficient method of systematically gathering and organising the information needed to diagnose autism spectrum disorder (ASD) in children, adolescents and adults