
Note: This blog essay and resource lists are U.S.-centric because I live in the U.S. and am only familiar with U.S. processes and resources. I apologize for this provincial restriction. If you have or know of similar essays and resource lists for other countries, please let me know so I can link to them. Thank you.
Many adults reach a point in life when they start wondering whether they might be Autistic, ADHD, or both. Sometimes this comes after years of feeling “out of step” with the people around you. Sometimes it’s triggered by hitting a wall of burnout that won’t lift, workplace conflicts that keep repeating, friendships that feel confusing or exhausting, or a lifetime of being told you’re “too much,” “too sensitive,” or “not trying hard enough.”
For others, the shift happens more quietly: stumbling across language from Autistic or ADHD communities that suddenly fits. Recognizing yourself in someone’s story online. Seeing one of your children get diagnosed and reflecting that you were just like them when you were their age. Realizing that the explanations you’ve been handed over the years never quite matched your lived experience. Or looking back at a string of misdiagnoses and thinking, “What if they were all circling something deeper?”
Wherever you’re starting, you’re not alone. Many people come to this inquiry later in adulthood, and there’s no wrong timing. This post is meant to help you sort through the early steps: what to consider, what tools might help, and how to decide whether an official assessment makes sense for you.
Why People Seek an Official Diagnosis
There are many reasons an adult might choose to pursue an official diagnosis. For some, it’s about access to doors that only open when paperwork exists. A formal report can make it easier to request workplace accommodations, seek school supports, or document the need for flexibility. In environments that rely on policies and checkboxes, a diagnosis often becomes the key that unlocks them.
For others, the motivation is more internal. A diagnosis can offer a sense of validation and clarity that’s hard to find elsewhere: the relief of having language that matches your lived reality, or the reassurance of finally understanding long-standing patterns that never made sense through any other lens. And some people are only able to find the strength to advocate for themselves within their family if they are backed by an official diagnosis.
Some adults pursue assessment because it connects them to specific supports or benefits: things like disability services, vocational rehabilitation, insurance-covered therapies, or government programs that require formal documentation.
And sometimes the decision is practical. A diagnosis becomes part of your documented history in medical, legal, or employment settings. Having that record can matter for future care, life transitions, or navigating systems that tend to treat undocumented needs as nonexistent.
None of these reasons are “more valid” than others.
Reasons People Do Not Seek an Official Diagnosis
Just as there are good reasons to pursue a diagnosis, there are equally valid reasons many adults choose not to. The first barrier is often cost or access. Assessments can be expensive, and in many regions the waitlists stretch for months or even years. For people already dealing with burnout or instability, that kind of delay can feel impossible.
Another obstacle is fear of stigma or biased providers. Too many adults have had experiences with clinicians who misunderstand autism or ADHD in adults, especially in women, nonbinary people, people of color, and anyone who’s learned to mask. The risk of being dismissed, judged, or misdiagnosed is real, and not everyone feels safe stepping into that vulnerability.
For some, the barrier is deeper: past trauma with medical or mental-health systems. If you’ve been harmed, ignored, or pathologized before, trusting another professional can feel unreasonable.
There are also practical concerns. Some adults worry about employment or insurance implications, or about how a diagnosis might be viewed by institutions that don’t always treat neurodivergence with nuance. Some may fear losing custody of their children if they get an official diagnosis. (I wish I could say that fear is completely unfounded, but I would be lying.)
And for many people, the simplest truth is that self-identification is enough. If understanding yourself through an Autistic or ADHD lens improves your life, helps you make better choices, or gives you access to community, you may not feel like you need a clinician’s confirmation to legitimize your experience.
Choosing not to pursue formal assessment is a valid and respectable decision. You’re allowed to decide what supports your wellbeing. I will say that it is important to think the decision through carefully because once you get assessed, you can’t erase that record. Once you come out Autistic or ADHD to an employer or institution, you can’t take it back.
What Online Screeners Can (and Cannot) Do
If you’re starting to explore autism or ADHD, online screeners can be a helpful first step, but it’s important to understand what they’re designed to do. These tools are not diagnostic on their own. A high score doesn’t equal a diagnosis, and a low score doesn’t rule anything out. They’re screening instruments meant to highlight patterns worth paying attention to.
What many people don’t realize is that clinicians often use the exact same assessments during intake. Tools like the AQ, CAT-Q, RAADS-R, or the ASRS are standard parts of many professionals’ evaluation processes. The difference is that a clinician interprets them in context, combining your scores with interviews, history, and other measures.
Online screeners can still be incredibly useful. They can help you clarify patterns you may not have articulated yet, highlight traits you’ve never named, and give you language for experiences you’ve had your whole life. They also allow you to gather data in a low-pressure, private way and reflect on the results without anyone judging your answers.
If you decide to seek a formal assessment later, these early results can help you feel more prepared and grounded. They can give you a clearer understanding of your traits and make it easier to talk with a professional about what you’ve noticed.
Screeners don’t diagnose you, but they can help you begin to recognize yourself.
Reputable Online Screeners
If you’d like to explore your traits in a structured way, these well-known screeners are widely used by both researchers and clinicians. Many assessors include them during intake (my most recent assessment used many of these screeners, in addition to other tests and interviews), so completing them yourself can give you a head start and help you understand your own patterns.
RAADS-R (Ritvo Autism Asperger Diagnostic Scale–Revised)
Measures lifelong autistic traits, including sensory, social, and cognitive patterns.
CAT-Q (Camouflaging Autistic Traits Questionnaire)
Looks at masking behaviors—useful for adults who learned to hide traits.
A widely used general screener for autistic traits. This is one of the oldest screeners.
RBQ-2A (Repetitive Behaviours Questionnaire–2 for Adults)
Focuses specifically on patterns of repetition and routine.
ASRS-v1.1 (Adult ADHD Self-Report Scale)
One of the most common ADHD intake tools used worldwide.
MEWS (Mind Excessive Wandering Scale)
Measures attention shifting, mind-wandering, and internal distractibility.
WFIRS (Weiss Functional Impairment Rating Scale)
Looks at how ADHD traits affect daily functioning. (Scoring guide)
No single screener captures the full picture. Autism and ADHD both show up differently from person to person, so taking several assessments can give you a broader sense of your patterns. Think of these tools as snapshots: each one adds detail but none tells the whole story on its own. You’re allowed to combine them to understand yourself better.
How to Use Results When Deciding Next Steps
Once you’ve taken a few screeners, the most important part isn’t the score. What matters most is what the results mean in the context of your lived experience. Spend some time reflecting on the patterns that showed up. Do the descriptions feel familiar? Do they explain things you’ve struggled with or masked for years? Or do they highlight traits you hadn’t recognized until now?
It can also help to consider how these traits affect your daily life: your relationships, your work, your energy levels, and the ways you move through the world. Many adults discover that their traits have shaped their choices and challenges for decades, even if they never had language for it before. I can’t count how many times someone in one of my support groups has said, “I just thought that was part of my personality. I didn’t realize it was something I have in common with many other Autistic people.”
If you decide to speak with a professional later, your screener results can serve as conversation starters. You don’t need to present them as proof. You can use them to develop observations. Something like, “These patterns keep coming up for me, and I’d like to understand why,” is enough. Clinicians are used to weaving self-report tools into the broader picture.
And it’s important to remember you’re not signing a contract with your own curiosity. You do not have to pursue a diagnosis just because scores showed up on a screener. Some people use the insights to reshape their life on their own terms. Others seek formal assessment. Both choices are valid, and both are yours to make.
Pathways to Official Assessment
Talking to a PCP or GP
If you decide you want a formal evaluation, a primary care provider is often the first stop. Many adults feel nervous about this step, but a simple, direct approach usually works best. You don’t need a long speech or a detailed life story.
One way to start is:
“I’ve been noticing long-term patterns that align with autism/ADHD, and I’d like an evaluation with someone who works with adults.”
This keeps the focus on your needs rather than defending your experiences.
If you’ve taken online screeners, you can bring the results without over-explaining. A doctor doesn’t need a full analysis. Just letting them know that the patterns show up consistently is enough. Something like:
“I completed a few standard screeners, and they indicate traits worth exploring further.”
This signals that you’ve done your homework without putting you in the position of proving anything.
Be specific about what you’re asking for: a referral to a psychologist or psychiatrist who evaluates autistic or ADHD adults. (Or other specialist professionals. See the section about other diagnostic professionals below.)
Adult-focused assessors are important because many clinicians are still trained primarily on childhood presentations. A professional might be excellent with children but if they have no real experience with adults, there’s a strong chance they won’t be able to identify whether you are Autistic/ADHD or not. Even worse, they may mis-diagnose you as NOT Autistic and/or ADHD because adults do not present the same way children do.
And if your GP dismisses your concerns or minimizes your experience? That’s unfortunately common. You have options. You can:
- Request a second opinion from another provider in the same clinic.
- Switch doctors if your insurance allows it.
- Seek assessment independently through specialists or clinics that accept self-referrals.
- Address the topic again at a future visit, bringing written notes next time to keep the conversation more focused.
A GP’s reaction isn’t the final word on your neurotype. It’s simply a step in the process, and you get to decide how to move forward.
Assessment Through Insurance or Local Providers
If you have insurance, your plan may cover part (or sometimes most) of an adult autism or ADHD evaluation. Start by looking for psychologists or psychiatrists who explicitly list adult ASD/ADHD assessment in their services. This matters; training in child assessment doesn’t always translate well to adult presentations, especially for people who mask or who were overlooked earlier in life.
Another option is university psychology clinics, where advanced graduate students conduct assessments under supervision from licensed clinicians. These clinics often use the same standardized tools as private practices but at a much lower cost. Because they operate in academic settings, they’re also more likely to be up-to-date on adult neurodiversity research.
For those without insurance or with limited coverage, sliding-scale clinics might bridge the gap. Community mental health centers, nonprofit agencies, and some private practices offer reduced fees based on income. Availability varies by region and is easier to find in urban areas than rural, but these services can significantly lower the cost of getting evaluated.
Each of these pathways has its own wait times, costs, and levels of expertise. The key is finding a provider who understands adult neurodivergence, not just childhood stereotypes, and who makes you feel respected throughout the process.
Online Assessment Providers
If a local in-person assessment isn’t practical, whether because of geography, cost, or scheduling constraints, there are now a growing number of telehealth providers offering full adult autism and/or ADHD assessments. These services are often more flexible and accessible than traditional clinics. I’ve included a list of many available online providers at the end of this blog post.
Important Notes & What to Verify Before Using an Online Provider
Licensure in Your State: For any telehealth assessment, ensure the clinician is licensed in the state where you physically live. This ensures the diagnosis will be valid and recognized.
Full Report vs. Letter vs. Summary: If you need diagnosis documentation for workplaces, schools, or accommodations, make sure the provider offers a formal, detailed report (not just a brief summary or a recommendation letter).
Scope of Access (ASD, ADHD, or Both): Some services specialize in just autism or just ADHD; others cover both, which matters if you suspect overlapping conditions (like AuDHD).
Cost & Payment Models: Some accept insurance or offer out-of-network receipts, others are strictly private-pay. Some offer sliding-scale or lower-cost options.
Wait Times & Appointment Flexibility: One of the big benefits of telehealth is often shorter wait times and scheduling flexibility. But this varies. Some clinics may still be busy.
Neurodiversity-Affirming Approach & Adult-Focused Assessment: Especially for people diagnosed late or who mask, you want a clinician or service that understands adult presentation, masking, and diversity of experience.
In-Person Specialists
Some adults prefer (or need) to be evaluated in person. If that’s you, there are several types of professionals who commonly assess Autistic or ADHD adults.
Neuropsychologists are often the most comprehensive option. They conduct full cognitive and behavioral evaluations, sometimes spanning several hours or multiple sessions. These assessments can include memory tests, executive function measures, problem-solving tasks, attention assessments, and standardized autism instruments. A full neuropsych assessment can be especially helpful if you have a complex history, overlapping conditions, or need detailed documentation for school, disability, or legal contexts.
Adult autism specialists are typically licensed psychologists, psychiatrists, or clinical social workers who focus directly on Autistic traits and lived experience in adulthood. Their assessments tend to be more targeted and conversational, relying on clinical interviews, history, and structured autism tools. These evaluations are often more relevant for high-masking adults, late-identified people, or those who need a diagnosis for work accommodations rather than an exhaustive cognitive profile.
In some regions, occupational therapists (OTs) with advanced training in sensory processing or autism can participate in the assessment process. Their role varies widely by location and licensing laws: some OTs provide formal evaluations or co-assessments, while others offer sensory profiles, functional assessments, and recommendations that complement a psychologist’s diagnosis.
The biggest difference between a full neuropsychological assessment and a targeted ASD/ADHD evaluation is the scope. Neuropsych testing looks at the whole cognitive landscape: how you think, learn, remember, and problem-solve. A targeted assessment focuses specifically on autistic or ADHD traits and how they show up in daily life. Neither approach is “better”; it depends on what you need. A narrower evaluation may be faster and more affordable, while a neuropsych exam can provide a deeper understanding of your strengths, challenges, and support needs.
The right choice for you is the one that fits your goals, your comfort level, and the kind of documentation you may want or need.
What to Expect During an Assessment
If you choose to pursue a formal evaluation, it can help to know what the process usually looks like. While exact formats vary from one clinician to another, most adult ASD or ADHD assessments include a few core components.
You’ll typically start with a clinical interview where the assessor asks about your history, patterns, strengths, challenges, and the experiences that led you to seek evaluation. This conversation may touch on childhood memories, sensory traits, social patterns, communication style, attention, routines, burnout, and coping strategies. Many assessors now explicitly ask about masking and unmasking, and how these behaviors have shaped your daily life.
Most evaluations include standardized measures, which might take the form of questionnaires you fill out on your own, rating scales, or guided tasks. Some clinicians also request input from a partner, friend, or family member, though this isn’t mandatory, especially for people who don’t have supportive or available informants.
The time commitment varies. A focused ASD or ADHD evaluation might take one to three hours, while a full neuropsych assessment can run several hours across multiple appointments. Afterward, the clinician may need days or weeks to integrate your results into a written report.
It’s also normal for the process to stir up emotional responses. Talking about lifelong patterns, especially the parts shaped by misunderstanding, trauma, or chronic masking, can be activating. Many late-identified adults feel a mix of relief, grief, clarity, or vulnerability during and after assessment. This is a common part of the journey, not a sign that you’re doing anything wrong.
The good news is that many assessors are now familiar with late-identified adults and the unique ways autism and ADHD present in people who learned to compensate or camouflage. You don’t have to “perform” your traits or fit any stereotype. Your lived experience is enough, and a thoughtful clinician will help you make sense of it without judgment.
Alternatives to Formal Diagnosis
Not everyone needs or wants a formal clinical diagnosis, and that’s completely valid. Many adults find that self-identification, rooted in lived experience, gives them all the clarity they need. If the framework helps you understand yourself, make sense of your past, and build a better life going forward, that recognition has real value even without a clinician’s signature.
There are also non-clinical supports that can make a meaningful difference. Peer-led spaces, community groups, educational resources, and neurodiversity-informed coaching can help you navigate sensory needs, executive function challenges, communication differences, and burnout without requiring a diagnostic label. These supports don’t diagnose you. They focus on understanding, skill-building, and validation.
For example, I facilitate peer support groups for Autistic and AuDHD adults and I never require anyone to have an official diagnosis to attend. I don’t even require attendees to be 100% sure they are Autistic and/or have ADHD. As I tell my support group members, questioning your neurotype is valid. Some participants have come to feel more sure about whether they are or are not neurodivergent as a result of attending the group and interacting with others.
Many adults also choose to set up accommodations informally in their own lives: using noise-cancelling headphones, structuring their days around attention cycles, reducing sensory overload, planning social recovery time, or reshaping their environment to match their rhythms. You don’t need an official diagnosis to give yourself the tools and conditions you function best in.
For some people, self-ID is enough, especially when the goal is personal insight, community connection, or healthier self-understanding. But there are times when a formal diagnosis may be useful or necessary: accessing disability services, securing workplace or school accommodations, applying for benefits, or navigating certain medical systems. It’s also helpful if you need documentation for legal, educational, or long-term planning purposes.
Ultimately, the right path is the one that supports your wellbeing. A diagnosis can be a tool, not a requirement. And self-recognition is just as real, meaningful, and valid.
Conclusion
There is no single “right way” to approach the question of whether you’re autistic, ADHD, or both. Some people find clarity through self-reflection. Others find it through community. And some choose formal assessment because it opens doors they need opened. All of these paths are valid.
What matters most is choosing what supports your wellbeing, safety, and access needs. You’re allowed to move slowly, to change direction, or to sit with the questions for as long as you need. You’re also allowed to pursue answers quickly if that’s what helps you feel grounded.
If you want to go deeper, you can explore additional resources, connect with peer-led spaces, or read more of my posts on late identification, Autistic and ADHD traits in adulthood, and navigating life through a neurodivergent lens. I’ve included some self-assessment books below this essay as well.
Wherever you are in this process, you’re not alone. Your curiosity about yourself is something worth honoring.
Appendix A: Some Online Assessment Providers
Offers comprehensive adult autism (and ADHD) assessments via telehealth for people in 46+ U.S. states. Uses the semi-structured interview tool (MIGDAS-2) designed for adults; tailored to high-masking or late-diagnosed individuals.
They do not accept insurance directly; costs are out-of-pocket, though clients may get a “superbill” for possible reimbursement.
Provides virtual adult autism and ADHD testing. Offers a “Diagnostic Testing” (telehealth) option, and a “Diagnostic + Report” for a more detailed clinical report, which can support accommodation requests.
Because it’s private-pay, you’ll need to confirm whether your insurance offers out-of-network reimbursement. Also, check whether their report meets documentation requirements for accommodations (work, school, etc.).
Offers specialized adult autism assessments entirely via telehealth, staffed by licensed psychologists experienced with autism in adults. Services may be covered by insurance (depending on plan), and the “get started within weeks” promise helps avoid long waitlists.
As with any telehealth provider, confirm that your insurance is accepted and whether sessions are in-network. Also check licensing for your state.
North Metro Psychological Services
Provides nationwide telehealth autism evaluations, with an emphasis on neurodiversity-affirming care and sensitivity to late-diagnosed or high-masking adults (including women, AFAB, and gender-diverse folks).
Because clinicians must be licensed in your state, availability may depend on where you live. Verify licensure ahead of time.
Offers fully online diagnostic evaluations for ADHD (and co-occurring conditions) by licensed clinicians; deliver a clinical-quality report.
Check whether their report is accepted by your doctor or institution; verify cost and state licensure.
OAT (Online Adult Testing)
Provides online ASD and ADHD testing services for adults via a secure portal.
As with all remote services — verify clinician license for your state, what kind of report you receive, and whether it meets documentation needs.
Provides virtual autism (and dyslexia) evaluations for adults in certain U.S. states. Their advertised cost ($400) is lower than many full evaluations.
Because service regions are limited (only certain states), check whether your location is covered. Also verify what kind of diagnostic report you receive and whether it’s accepted by third-party institutions.
Appendix B: A Few Useful Books about Self-Assessment and/or Self Understanding
So You Think You’re Autistic: A Workbook for the Confused Person Who’s Just Trying to Figure Things Out (2022) Samantha Stein
I Think I Might Be Autistic: A Guide to Autism Spectrum Disorder Diagnosis and Self-Discovery for Adults (2013) Cynthia Kim
The Autistic’s Guide to Self-Discovery: Flourishing as a Neurodivergent Adult (2025) Sol Smith
You Mean I’m Not Lazy, Stupid or Crazy?! The Classic Self-Help Book for Adults with Attention Deficit Disorder (2006) Kate Kelly and Peggy Ramundo
Understanding Adult ADHD: From Signs and Symptoms to Causes and Diagnosis (2014) Christine Weil











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