Maybe you’ve always been forgetful. You lose track of time, start projects you don’t finish, procrastinate until the pressure becomes unbearable, or find yourself wondering why everyday tasks seem to require so much effort.
Or maybe you were doing reasonably well until adulthood became more complicated.
Work. Bills. Relationships. Parenting. Managing a household. Keeping track of appointments. Remembering where you put your phone while you’re using your phone to look for it.
At some point, you may start wondering:
Could this actually be ADHD?
If so, the next question is usually: How do I actually get diagnosed with ADHD as an adult?
The process can be confusing, especially because ADHD assessment looks very different from one provider to another. Here’s what you should know.
Who Can Diagnose ADHD in Adults?
ADHD can be diagnosed by qualified licensed healthcare or mental health professionals whose scope of practice includes diagnosing mental health conditions.
Depending on where you live and the provider’s training and license, that may include psychologists, psychiatrists, physicians, nurse practitioners, and appropriately licensed mental health clinicians.
You do not necessarily need a full neuropsychological evaluation to receive an ADHD diagnosis.
Neuropsychological testing can be valuable when there are complicated diagnostic questions involving learning disorders, cognitive changes, brain injury, neurological conditions, or other concerns. But many adults seeking clarification about possible ADHD can be appropriately assessed through a focused clinical ADHD assessment.
What Happens During an Adult ADHD Assessment?
There isn’t one single test that determines whether someone has ADHD.
A good assessment looks at the overall pattern of your symptoms and functioning, rather than simply adding up points on a questionnaire.
The process may include:
- A detailed clinical interview
- Review of current ADHD symptoms
- Discussion of childhood symptoms and history
- Standardized ADHD rating scales
- Assessment of how symptoms affect work, relationships, school, organization, and everyday life
- Consideration of other conditions that can resemble or contribute to ADHD symptoms
- Collateral information from a parent, partner, sibling, or someone else who knows you well, when appropriate
The goal is not simply to determine whether you have trouble concentrating.
The goal is to understand why you are having those difficulties and whether ADHD provides the best explanation.
Why Does Childhood Matter?
ADHD is considered a neurodevelopmental disorder, which means symptoms begin during childhood—even when the person isn’t diagnosed until decades later.
That does not mean you needed to be diagnosed as a child.
Many adults with ADHD were never evaluated when they were young. This can be especially true for people whose symptoms were primarily inattentive, who performed well academically, or who developed strong strategies for compensating for their difficulties.
During an adult assessment, you may be asked about things like:
- Losing homework or belongings
- Forgetfulness
- Daydreaming
- Difficulty completing assignments
- Chronic procrastination
- Talking excessively or interrupting
- Restlessness
- Disorganization
- Being described as capable but inconsistent
Old report cards or childhood records can sometimes be helpful, but not having them does not automatically prevent an ADHD assessment.
Isn’t There Just an ADHD Test I Can Take?
There are excellent ADHD screening tools available, and some can even be completed online.
But a screening is not the same thing as a diagnosis.
A screening questionnaire can tell you whether your symptoms resemble those commonly reported by people with ADHD. It cannot independently determine whether ADHD is actually causing those symptoms.
Anxiety, depression, trauma, sleep problems, medical conditions, medication effects, substance use, and other factors can sometimes produce symptoms that overlap with ADHD.
That is why diagnosis involves more than completing a questionnaire.
Do I Need Six Hours of Psychological Testing?
Usually, no.
Some adults are referred for extensive psychological or neuropsychological testing, particularly when the diagnostic picture is complicated or documentation is needed for certain accommodations.
But ADHD does not automatically require an all-day battery of cognitive testing.
For many adults, a focused ADHD assessment consisting of a thorough clinical interview, standardized measures, developmental history, functional assessment, and differential diagnosis may provide the information needed to determine whether diagnostic criteria are met.
Can ADHD Be Diagnosed Online?
In many situations, yes.
Adult ADHD assessments can often be conducted through secure telehealth when the clinician is appropriately licensed to provide services where the client is located.
A telehealth assessment can include the same major components used in an office-based assessment: clinical interviewing, standardized rating scales, developmental history, assessment of impairment, and consideration of alternative explanations for the symptoms.
For adults who live far from specialty providers—or who simply have difficulty fitting multiple office appointments into their schedules—telehealth can make the process considerably more accessible.
What Happens After an ADHD Diagnosis?
That depends partly on why you sought the assessment.
Some people simply want an answer after spending years wondering why certain things have always been harder for them.
Others want to explore treatment.
Treatment for adult ADHD may include psychotherapy, ADHD-focused skills and strategies, environmental changes, coaching, and medication when appropriate.
If you are interested in medication, you will need to work with a medical provider who is authorized to prescribe it. An ADHD assessment and medication management are separate services, although documentation from an assessment may be useful to a prescribing provider.
A diagnosis does not automatically guarantee that another provider will prescribe medication. Each medical provider makes their own treatment decisions.
What Should I Look for in an ADHD Assessment Provider?
Before scheduling, ask what the assessment actually includes.
You may want to know:
- Does the provider regularly assess adults for ADHD?
- What information and rating scales are included?
- Does the assessment consider conditions that can mimic ADHD?
- Will you receive written documentation of the findings?
- Is a comprehensive written report available if you need one?
- How long does the process take?
- What is the total cost?
You should understand what you are purchasing before you schedule.
Adult ADHD Assessment Through Lost Thyme
I offer online Adult ADHD Assessments for adults located in states where I am licensed to practice.
My assessment process is designed for adults who want a focused clinical assessment without automatically undergoing an extensive neuropsychological testing battery.
The process includes a clinical interview, standardized ADHD measures, developmental and symptom history, assessment of functional impairment, and consideration of other possible explanations for your symptoms.
Two documentation options are available:
Assessment + Brief Diagnostic Summary — $350
This option includes the ADHD assessment and a brief written diagnostic summary of the findings.
If you need more extensive documentation, a comprehensive written report can be added for $250.
Assessment + Comprehensive Written Report — $600 total
Reports are generally completed within approximately one week after all assessment components have been completed.
If you’ve spent years wondering whether ADHD might explain the patterns you’ve struggled with, an assessment can help replace uncertainty with a clearer understanding of what is happening—and what you may want to do next.
Learn more about Adult ADHD Assessment or schedule your assessment at LostThyme.org/
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