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Updated May 14, 2026
Written by: Julie Landry, PsyD, ABPP

Do You Need an AuDHD Test Instead of Autism or ADHD Testing?

Venn diagram showing overlap between autism, ADHD, and AuDHD test.

An AuDHD test is a combined autism and ADHD assessment designed for adults who relate to both neurotypes.

Instead of evaluating autism or ADHD in isolation, an AuDHD test explores overlapping traits, executive functioning, sensory processing, and developmental history together. This integrated approach is often the clearest option when adults suspect they may be both autistic and ADHD.

A client recently asked us:

“I’m considering an autism test, but I’ve read that it’s common to have both autism and ADHD. If I only do the autism assessment, will I still get feedback about ADHD? Or should I choose an AuDHD test instead?”

Many adults arrive at this crossroads unsure which assessment path makes the most sense: autism-only testing, ADHD-only testing, or a combined AuDHD assessment that evaluates both together.

The right choice depends on your history, your current questions, and how much overlap you notice in your lived experience.

If you’re still unsure how these patterns show up day to day, you can explore our blog on AuDHD symptoms, or if you’re still making sense of how autism and ADHD overlap, you can start with our blog on AuDHD in women.

Autism vs ADHD Testing: What’s the Difference?

Understanding how each assessment works can make the decision much clearer.

Autism Assessment

An autism evaluation focuses on autistic traits and developmental patterns, including:

  • Social communication and relationship dynamics
  • Sensory processing differences
  • Repetitive behaviors, routines, and special interests
  • Masking and burnout
  • Developmental history across the lifespan

At NeuroSpark Health, we screen for ADHD traits during an autism assessment. If ADHD appears likely, we will tell you and discuss next steps. However, ADHD is not evaluated in full depth unless that is the stated focus of the assessment.

Autism-only testing is often a good fit when autism is your primary question and ADHD has never been a major concern.

ADHD Assessment

An ADHD evaluation centers on attention regulation and executive functioning, including:

  • Focus and distractibility
  • Organization, planning, and task initiation
  • Time management and procrastination
  • Impulsivity and restlessness

Autistic traits may come up, but they are not explored comprehensively. This means sensory differences, social processing, and lifelong masking patterns may not receive the depth they deserve.

ADHD-only testing can be appropriate when attention and executive function challenges are clearly the primary concern and autism feels unlikely or already ruled out.

AuDHD Assessment (Combined Autism + ADHD Assessment)

An AuDHD test integrates both frameworks from the beginning. Rather than running two separate processes, the evaluation is designed to explore:

  • Autism and ADHD traits side-by-side
  • Areas of overlap and divergence
  • How masking, trauma, or burnout influence presentation
  • Whether attention challenges stem from ADHD, autistic monotropism (deep focus on one thing), sensory overload, or a combination

This approach often provides the most accurate and affirming understanding for adults who relate to both neurotypes. For many adults, AuDHD testing provides clarity that single-focus testing cannot, especially when traits overlap or contradict each other.

👉 For a quick breakdown of what this involves, you can explore our AuDHD assessment process.

Autism and ADHD Overlap: Why It Matters

Autism and ADHD co-occur at high rates, especially in adults who were overlooked or misdiagnosed earlier in life. When only one lens is used, part of the picture can be missed.

  • An autism assessment may under-identify ADHD-related executive function challenges.
  • An ADHD assessment may overlook autistic sensory experiences, communication differences, or social exhaustion.

A comprehensive AuDHD test helps avoid partial answers and reduces the likelihood of needing additional testing later.

This is particularly important for adults who:

  • Have spent years masking, especially in ways that aren’t always obvious (you can read more about high-masking autism in women)
  • Have complex trauma histories
  • Are women, AFAB, BIPOC, LGBTQ+, or gender-diverse
  • Have been previously misdiagnosed or dismissed

When to Choose Each Type of Test

Choose an autism test if…

  • Your main question is whether you are autistic
  • You strongly relate to masking, sensory overwhelm, or social burnout
  • ADHD has never been a major concern, or you already have a well-understood ADHD diagnosis

Choose an ADHD test if…

  • Your primary struggles involve focus, organization, procrastination, or forgetfulness
  • Autism traits (sensory or social differences) do not resonate strongly
  • You’ve already explored autism and do not identify with it

Choose an AuDHD test if…

  • You see yourself in both autism and ADHD descriptions
  • You have long-standing executive function challenges and sensory or social differences
  • Others have suggested both autism and ADHD as possibilities
  • You already have an ADHD diagnosis and want a fuller understanding of autism
  • You want the most comprehensive option and prefer to avoid multiple rounds of testing

An AuDHD test is often the most efficient and clarifying option when the question is “Could it be both?”

If you’re unsure which assessment path fits your experience, a brief consultation can help you decide without committing to testing right away.

What If I Choose the “Wrong” Assessment?

Here’s the good news: we don’t perform assessments in isolation.

If you pursue an autism evaluation and ADHD traits are obvious, we’ll let you know. If you pursue ADHD testing and autism becomes evident, then we’ll discuss that too.

That said, an AuDHD test can save time, emotional energy, and cost when overlap is already suspected. It allows us to give you a cohesive explanation of how your brain works, rather than fragmented answers.

Frequently Asked Questions About AuDHD

How do I know if I’m AuDHD?

Many AuDHD adults relate strongly to both autism and ADHD traits. You might experience sensory sensitivities and masking alongside distractibility, executive dysfunction, or restlessness. If neither autism-only nor ADHD-only explanations fully fit your experience, an AuDHD test can help clarify whether both neurotypes are present and how they interact.

Is AuDHD a real thing?

Yes. AuDHD is a commonly used term describing the co-occurrence of autism and ADHD. While it is not a single diagnostic label in the DSM, both conditions can be diagnosed together, and research shows they frequently overlap. The term reflects real, clinically recognized lived experiences.

How does AuDHD differ from autism?

AuDHD includes autistic traits plus ADHD-related differences in attention and executive functioning. For example, someone may crave routine but struggle to maintain it, or hyperfocus deeply while also being easily distracted. An AuDHD test looks at how autism and ADHD interact rather than evaluating autism alone.

What does it feel like to be AuDHD?

Many AuDHD adults describe feeling internally conflicted, such as needing stimulation but becoming overwhelmed, or wanting structure while resisting it. This push–pull can be exhausting. For many people, identifying as AuDHD brings relief by helping long-standing contradictions finally make sense.

Is there an AuDHD test for adults?

Yes. An AuDHD test for adults is a comprehensive assessment that evaluates autism and ADHD together. It explores overlapping traits, executive functioning, sensory processing, and developmental history. This integrated approach is often the most efficient option when adults suspect both autism and ADHD may apply.

Bottom Line: Choosing the Right AuDHD Test for Adults

If your main question is “Am I autistic?”, an autism assessment may be sufficient.
If your question is “Could this be both autism and ADHD?”, an AuDHD test is often the clearest and most comprehensive path forward.

Either way, you deserve clarity and care, not a rushed, one-size-fits-all approach. Our assessments are designed for adults who have spent years masking, questioning, or trying to make sense of themselves without adequate support.

👉 Schedule a consultation to explore whether an AuDHD test is right for you.

👉 Learn more about our AuDHD testing process.

Last Updated May 2026

Headshot of Dr. Julie Landry of NeuroSpark Health, specializing in autism, ADHD, and AuDHD assessments in most U.S. states.
About the author

Julie Landry, PsyD, ABPP

Dr. Julie Landry (she/her) is a board-certified clinical psychologist and the co-founder of NeuroSpark Health. She specializes in adult autism and ADHD, with a focus on late-diagnosed and high-masking individuals. A proud neurodivergent clinician, Dr. Landry is passionate about rewriting the narrative around neurodiversity, offering affirming, identity-conscious care that helps adults understand themselves more fully. Her writing blends clinical expertise with lived experience and a deep belief that being understood shouldn’t take decades.
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