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Autism tests & diagnosis

Do I Have Autism?

Last updated 24 October 2026 · 8 min read · By Sarah M., Support Coordinator
In short

Do I have autism? An online quiz or checklist cannot answer that, and there is no biological test or marker for autism, according to Autism CRC (Autism CRC). A quiz can help you reflect on your experiences before you talk to a professional.

This guide offers reflection questions, explains how autism is assessed in Australia and shows where to go next. For the full pathway, read how to get an autism diagnosis in Australia.

Key points

  • There is no biological test or marker for autism; the National Guideline suggests using DSM-5 or ICD-11 to guide diagnostic decisions.
  • A quiz can prompt useful questions, but only a qualified professional can assess this and give a diagnosis.
  • Telehealth may complement in-person meetings but should not be the sole medium for autism assessment.
  • Autism Connect on 1300 308 699 is a free national helpline run by Amaze, open 8am to 7pm Monday to Friday.
Do I have autism? At a glance
What a quiz can doPrompt reflection and help you write down experiences to share with a professional
What a quiz cannot doDiagnose or rule out autism; there is no biological test or marker
Who can assess itQualified clinicians, starting with a GP who can discuss referral options
Free helplineAutism Connect on 1300 308 699, 8am to 7pm Monday to Friday
NDIS relevanceNDIS funding is only available if you meet the NDIS access requirements
Official sourceAutism CRC National Guideline and Autism Connect (Amaze)

How to know if you have autism

Some adults only wonder about autism later in life, after years of feeling different without knowing why. The points below are prompts for reflection, not signs that confirm anything.

  • You may have always felt that social situations take extra effort, even when you enjoy people.
  • You may notice that you think in detail, hold strong interests and feel more settled with predictable routines.
  • You may find noise, lights, textures or crowds more draining than others seem to.
  • You may have learned to copy other people’s behaviour to fit in.

Our guide to the autism test for adults describes how assessment works for grown-ups.

Do I have autism? Questions to reflect on

Use these as prompts, not scores. Write down examples next to each one that feels true, and bring your notes to a GP.

AreaReflection question
CommunicationDo you take things literally, or find it hard to read between the lines of what people mean?
Social lifeDo you dislike small talk, or feel that people find you blunt or direct without meaning to be?
SensoryDo you feel highly sensitive to your environment, such as noise, light, smell or touch?
RoutineDo unexpected changes of plan leave you stressed, anxious or exhausted?
InterestsDo you have deep interests that you could talk about for hours or that help you feel calm?
EnergyDo you need a lot of time alone to recover after social events or a busy day?

The first three themes match signs the Autism Association of Australia lists for adults (Autism Association of Australia). These questions are for reflection only, and only a qualified professional can assess this. Answering yes to several does not mean you are autistic, and answering no does not mean you are not.

Autism quiz: free online tests and what they can tell you

Free quizzes are easy to find, and many people try one first. Treat the result as a starting point for a conversation, not an answer.

  • A quiz score is not a diagnosis, and there is no biological test or marker for autism.
  • Different quizzes ask different questions, so you may get different results from each one.
  • Take a screenshot or write down your answers, then show them to your GP so the conversation starts with specifics.
  • Be wary of any site that asks for payment for a result or promises a diagnosis without a clinician.

Our guides to the free autism test and the autism test for kids and teens explain what tools are available, and Raising Children Network has information for families.

Looking for NDIS support at home?

TQN Care support workers help with personal care, community access, respite and help around the home across Sydney, Melbourne and surrounding areas (NSW & VIC). Tell us what you need and we will call you back.

Make a referral →

Do I have autism as a woman or girl?

Some women and girls wonder about autism later in life. The questions below are prompts for reflection, not a checklist, and they apply to anyone. Only a qualified professional can assess this.

  • Do you rehearse conversations or copy others to get through social situations?
  • Do you find groups confusing or overwhelming, even with people you like?
  • Do you feel you are acting a role, even in familiar situations?

See our guide to the autism test for women for more detail.

Autism or ADHD, or both?

Autism and ADHD can occur together. The Australian ADHD Guideline found children and adolescents with autism have a significantly higher risk of ADHD (AADPA guideline).

Attention, sensory and social experiences can have many explanations, so describe all of them to your GP rather than guessing which label fits.

If you want toNext step
Reflect on attention and focusTry the ADHD quiz guide for reflection questions
Talk to someone about autismBook a GP appointment and bring notes
Understand assessment for bothRead about the ADHD and autism assessment

Is this autism? Books, tests and professional assessment

Books and websites on autism in adults can help you recognise yourself, but they cannot confirm anything.

  1. Write down your examples. Note moments from childhood, school, work and relationships that made you wonder.
  2. Book a longer GP appointment. Bring your notes and ask about the assessment options available to you.
  3. Ask about a referral. Your GP can explain which qualified clinicians assess autism for your age group.
  4. Prepare for the assessment. Telehealth may complement in-person meetings, but should not be the only way autism is assessed.
  5. Ask about support afterwards. Whatever the outcome, ask what supports and information are available.

Autism Connect (Amaze) can talk through the process before you start.

When to talk to a GP or specialist

  • You regularly wonder whether you or your child might be autistic and want a clear answer from a professional.
  • Social, sensory or routine difficulties are affecting work, study, relationships or wellbeing.
  • You feel exhausted and want to understand why daily life takes so much effort.
  • You are looking at funding and want to understand what the NDIS needs; see NDIS autism funding.

Call 000 in an emergency. If you are in distress or thinking about suicide or self-harm, call Lifeline on 13 11 14, and call 000 if someone is in immediate danger.

Looking for NDIS support at home?

TQN Care support workers help with personal care, community access, respite and help around the home across Sydney, Melbourne and surrounding areas (NSW & VIC). Tell us what you need and we will call you back.

Make a referral →

Practical support at home

If autism affects your daily life and you meet the NDIS access requirements, practical support can be part of your plan. TQN Care’s NDIS services include personal care, community access, respite and help around the home across Sydney, Melbourne and surrounding areas (NSW & VIC). We provide day-to-day support, not assessment or treatment, and we are happy to talk through what would help.

SM
Sarah M., Support CoordinatorTQN Care is a registered NDIS provider supporting people across Sydney, Melbourne and surrounding areas (NSW & VIC).
Common questions

FAQs about autism quizzes and assessment

Is this autism? +

Only a qualified professional can say. Traits such as taking things literally, disliking small talk or feeling highly sensitive to the environment can be signs of autism in adults, but they also occur in other people. Write down examples and talk to your GP.

Do I have autism or ADHD? +

You may have one, both or neither, and only a qualified professional can say. The Australian ADHD Guideline found children and adolescents with autism have a significantly higher risk of ADHD. Tell your GP about your attention, sensory and social experiences.

Do I have autism as a female? +

Only a qualified professional can say. A quiz cannot tell you, but your notes can help a GP understand your experiences. Ask your GP about referral options.

Is there a free test for autism? +

Free online quizzes exist, but they only prompt reflection and cannot diagnose. There is no biological test or marker for autism. Call Autism Connect on 1300 308 699 for free advice about the next step.

References

Sources

  1. Assessment and diagnosis — Autism CRC
  2. National Guideline for the assessment and diagnosis of autism (PDF) — Autism CRC
  3. Autism signs in adults — Autism Association of Australia
  4. Autism Connect – national autism helpline — Amaze
  5. High-risk groups for ADHD — AADPA
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