How to get tested for autism as an adult
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Short answer
To get tested for autism as an adult, write down the patterns you have noticed, then ask a primary care clinician, therapist or psychiatrist for a referral to a professional who assesses adults. Check what your insurance or health service covers, book the assessment, and gather childhood information if you can. A licensed psychologist or psychiatrist makes the diagnosis.
Can adults be tested for autism?
Yes. Being an adult does not close the door. Autism is present from early development, but plenty of people reach 25, 40 or 60 without anyone having looked. Adult assessment is now a routine part of many psychology and psychiatry practices, and national guidelines in several countries describe how it should be done.
One thing to know early: the word test is a little misleading. Adults do not take one test and get a score that settles the question. A professional gathers your history, observes how you communicate, uses questionnaires and interviews, and then makes a clinical judgment.
Step 1: Get your own observations on paper
Before any appointment, spend an evening listing what made you wonder. Be concrete. Instead of writing that you struggle socially, write that you rehearse phone calls, leave parties after an hour with a headache, or did not realize a coworker was joking until someone explained it. Add sensory experiences, routines, deep interests, and how change affects you.
Then add childhood. Ask a parent or older relative what you were like at four, eight and twelve. Did you line things up, read early, struggle with friendships, react strongly to clothing tags or loud rooms? School reports, if they still exist, are useful. Clinicians value this history because autism must have been present from early on, even if nobody named it.
Step 2: Ask for a referral or a recommendation
In the US, many adults start with their primary care doctor, nurse practitioner or physician assistant. Some insurance plans require a referral before a specialist will be covered; others let you book directly. A therapist or psychiatrist you already see is another good starting point, and they may know who assesses adults locally. Our guide to talking with your doctor covers what to say.
In England and other countries with national health systems, a general practitioner usually refers you to a local adult autism team. Mental health services can also recommend a referral if they notice signs while treating something else.
Step 3: Choose the right kind of assessor
Look for a licensed clinical psychologist, neuropsychologist or psychiatrist who specifically assesses adults for autism. Ask directly: how many adults do you assess each year, do you have experience with women and people who mask, and do you also consider ADHD, anxiety and trauma? A clinician mostly experienced with young children may be less familiar with how autism shows up after decades of adaptation.
It is fine to interview two or three assessors before choosing. Ask what the fee covers, whether a written report is included, how long the report takes to arrive, and whether they offer a follow-up conversation. A practice that answers these questions plainly is usually a good sign.
Step 4: Sort out payment before you book
Call your insurer and ask whether a psychological or neuropsychological evaluation for autism is covered for adults, whether you need prior authorization, and which assessors are in network. If you have Medicaid or Medicare, ask the plan for a list of covered psychologists. Self-pay prices vary widely, so ask for a written estimate and what it includes.
Step 5: Attend the assessment
Expect intake forms first, then one or more appointments. The clinician will ask about your current life and your development, may use a structured observation such as the ADOS-2, and may interview someone who knew you as a child. Some assessments happen fully or partly by video.
| Item | Why it helps |
|---|---|
| Your list of examples | Keeps you from going blank under pressure |
| A parent, sibling or old friend | Provides early developmental history |
| School reports or old records | Shows patterns before adulthood |
| Previous diagnoses and medications | Helps separate overlapping conditions |
| A partner or close friend (optional) | Describes how you are now, outside appointments |
Step 6: Understand the outcome
You should receive a feedback conversation and a written report. It may say that you meet criteria for autism, that you do not, or that the picture is unclear and needs more information. A good report also describes strengths, support needs and any other conditions found. If you disagree with the outcome, you can ask questions or seek a second opinion.
How do adults test for autism at home?
You cannot formally test yourself at home, but you can prepare. Self-reflection questionnaires, reading about autistic experience, and talking with people who know you well can all help you decide whether an assessment is worth pursuing. Treat any online result as a conversation starter for a clinician, not an answer.
Frequently asked questions
Do I need a referral to get tested for autism as an adult?
Not always. In the US, some insurance plans require a referral or prior authorization and others do not, and self-pay clients can usually book directly. In national health systems such as the NHS, a GP referral is the usual route. Check your plan before booking.
What if I have no one to give my childhood history?
Many adults are in this position. Clinicians can still assess you, relying more on your own detailed recollection, old records, and current observation. Tell the assessor early so they can plan around it.
Can I get tested for autism if I already have another diagnosis?
Yes. Many adults assessed for autism already have diagnoses such as anxiety, depression or ADHD. A good assessor considers whether autism explains some of the picture, sits alongside those conditions, or does not fit.
Is it worth bringing a partner to the assessment?
Often yes, if you are comfortable with it. A partner can describe how you handle change, social plans and sensory environments in daily life, which complements childhood history. Some clinicians interview them separately.
Sources
- National Institute of Mental Health (NIMH). Autism Spectrum Disorder. Accessed 30 October 2026. Link
- NHS. Autism assessments. NHS website, accessed 30 October 2026. Link
- Ashwood KL, Gillan N, Horder J, et al. Predicting the diagnosis of autism in adults using the Autism-Spectrum Quotient (AQ) questionnaire. Psychological Medicine. 2016;46(12):2595 to 2604. doi:10.1017/S0033291716001082