Autism Assessment

Screening and diagnosis for children and adults

Autism (or Autism Spectrum Disorder) affects approximately 1 in 150 Australians. Symptoms typically appear in infancy and become more noticeable around the ages of 2 or 3.

If you think someone might have autism, we can help. New Vision Psychology is a private assessment service that offers autism testing for children and adults at our Sydney CBD clinic.

What Does A Complete Autism Assessment Involve?

A complete ASD assessment at New Vision Psychology involves:

1st Session

Initial Consultation

Who: Caregiver/Parents only
Duration: 1 hour
Location: Any of our 4 clinics or Telehealth

In this session, we will advise you if formal assessment is necessary.

2nd Session

Clinical Interview (ADI-R)

Who: Caregiver/Parents only
Duration: 2 hours
Location: Any of our 4 clinics or Telehealth

3rd Session

Autism Assessment (ADOS-2)

Who: Caregiver/Parents and Child
Duration: 1 hour
Location: Sydney CBD Clinic

4th Session

Psychologist Report

Who: Psychologist
Duration: 6-7 hours
Desc.: Assessment scoring, results interpretation and report writing

*The first three sessions must be conducted on separate days.
*The complete autism assessment process takes around 10 hours in total.

Autism Diagnosis Tools

Diagnosis is based on developmental assessments and behavioural observations. Our registered psychologists use the following standardised diagnostic tools to to provide a diagnosis.

These include:

1. ADOS-2

Autism Diagnostic Observation Schedule, Second Edition

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2. ABAS-3

Adaptive Behaviour Assessment System, Third Edition

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3. ADI-R

Autism Diagnostic Interview-Revised

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Autism Assessment Fees

We provide assessments for both adults and children across Sydney, New South Wales.

Initial Session


For a complete diagnosis


The complete assessment process involves around 10-hours of interviews, observations, testing, scoring, interpretation and report writing.

After the initial consultation, we will advise you if formal assessment is necessary and should you wish to proceed, the $240 fee will be deducted from the $2,400.

* Medicare rebates are available to assist with the cost of seeking a diagnosis. Call us on 1300 001 778 for more information.

Click here for detailed pricing

Frequently Asked Questions

While there are a number of standardised testing tools to help with the diagnosis, the initial phase of assessment begins with talking with family member to collect behaviour and family history.

This is because there is no single test for autism.

For more information on the process, see this resource from

We have also put together a guide for caregivers. Click here to learn more about autism spectrum testing specific to Australia.

The initial consult with our registered psychologist will typically take around 60-minutes.

During this session, we will seek to get a better understanding by collecting behaviour and family history. It is common to use a semi-structured interview.

All up, our psychologists will spend 10-hours or more carrying out interviews, making observations, scoring, interpreting results, and compiling a final report.

The entire process may be spread across a multiple days and weeks.

A referral is not required.

However, we usually find that a teacher, GP, speech pathologist, or paediatrician will refer someone for autism assessment.

When it comes to autism diagnosis, there are government funded and private assessment services available.

Wait times for government funded services can be quite lengthy (in excess of 12-months).

FYI, Autism Spectrum Australia (ASPECT) is the NSW state-based autism association.

Being a private assessment service, we typically can see you with minimal delay. In addition to this, we are a registered NDIS provider.

Out of the total cost of $2,400, you can claim approximately $265 from Medicare with a referral from a psychiatrist or paediatrician (if the child is under 13).