Adult Autism (ASD) Assessment & Diagnosis

High-functioning individuals with autism may not be diagnosed until much later in life, and diagnosis can bring understanding and additional support.

Autistic Spectrum Disorder (ASD) in Adults

Autism can be experienced in many different ways, but it can be defined as a different way of thinking, a neurological developmental difference that changes the way you relate to the environment and people around you.

Common symptoms of autism in adults can include:

  • Difficulty interpreting what others are thinking or feeling
  • Trouble interpreting facial expressions, body language, or social cues
  • Difficulty regulating emotion
  • Trouble keeping up a conversation
  • Inflection that does not reflect feelings
  • Difficulty maintaining the natural give-and-take of a conversation; prone to monologues on a favourite subject
  • Tendency to engage in repetitive or routine behaviours
  • Participation only in a restricted range of activities
  • Strict consistency to daily routines; outbursts when changes occur
  • Exhibiting strong, special interests

For information about autism assessments for children, please click here.

The Adult Autism Assessment Process

Autism Assessments for adults and adolescents (aged 16+) at the READ Clinic are completed by Senior Clinical Neuropsychologist, Dr Heidi Zeeman.

The adult autism assessment includes up to 4 hours of assessment and a comprehensive diagnostic report.

Please note completing the adult ASD assessment package does not guarantee an ASD diagnosis.

Booking an Adult Autism Assessment

To enquire about booking an assessment, please complete our assessments enquiry form and one of our friendly Client Care Team will give you a call. Alternatively you are welcome to call us on (02) 4363 6600 for more information about assessments.

Frequently Asked Questions

Assessments can occur at any point in a person’s life. Assessment can help you to understand your behaviours and to help you receive the appropriate support.

No, adult autism assessments don’t require a referral from a GP. You are welcome to self-refer, or Dr Zeeman also accepts referrals from GPs, neurologists and other health professionals.

Fees for this service are set in accordance with APS National Schedule of Recommended Fees 2023-2024. Please call us on 4363 6600 or email assessments@thereadclinic.com for more information.

Unfortunately the cost of adult autism assessments is not covered under NDIS. However if the assessment indicates a diagnosis of ASD Level 2 or above, you may be entitled to funding under NDIS for therapy and other supports.

Central Coast Adult ASD Assessments Team

To enquire about adult ASD assessments, please call us on 4363 6600.

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