Assessments

ADHD assessment.

An ADHD assessment can help clarify patterns of attention, organization, planning, task initiation, follow-through and impulse control—and how those patterns affect everyday life.

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Decision essentials

Assessment at a glance

What you want the assessment to answer shapes the final plan. In-person psychological assessments are available in Ottawa and Toronto, with selected virtual Ontario activities where appropriate. We’ll explain the proposed format, fees and report process before you decide whether to proceed.

For

Children, adolescents & adults

May help clarify

Attention, executive functioning, developmental history and effects across school, work, home and relationships

Format

Planned around the methods required

Selected assessment services are available virtually across Ontario and for Nunavut residents when the required methods suit virtual delivery.

Typical scope

Often 4–6 appointment hours

Scoring, interpretation and report preparation require additional time. Exact scope varies.

Fees

$275 per hour

Many comprehensive assessments cost approximately $2,000–$4,000, depending on scope.

Report

Included with every assessment

Every psychological assessment includes feedback and a written report. The report is organized around the questions the assessment needs to answer.

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Adults

When adults seek ADHD assessment

Adults often reach out when attention or executive-functioning difficulties have become more visible at work, in post-secondary education, at home or during a major life transition. They may describe chronic disorganization, missed deadlines, difficulty starting or completing tasks, inconsistent focus, restlessness or a sense that ordinary demands require disproportionate effort.

Assessment considers both current functioning and the developmental history of these patterns.

Adult ADHD assessment guide

Adult and clinician reviewing planning materials during an ADHD assessment.

Children and adolescents

Questions at school, home and in daily routines

Parents may seek assessment when a child or adolescent is struggling to sustain attention, organize materials, follow multi-step directions, manage time, regulate activity level or complete work consistently.

Patterns can look different across settings. Information from home, school and the young person’s own experience can help build a more complete picture.

What the assessment explores

No single checklist or test determines an ADHD diagnosis. The clinician interprets the overall pattern in context.

attention and concentration
organization, planning and time management
task initiation and follow-through
impulsivity or hyperactivity when relevant
developmental history and symptoms across settings
functional impact at school, work, home and in relationships

Differential considerations

Attention and executive-functioning concerns can overlap with learning difficulties, anxiety, mood, sleep, stress, trauma, health factors and other developmental or mental health questions. Assessment examines the overall questions carefully so that conclusions are not based on one symptom or one setting.

Compare ADHD, autism and anxiety Compare ADHD and learning disability

Clarification, not confirmation

What if the results do not support ADHD?

Assessment is meant to answer the referral question, not confirm a diagnosis in advance. If the findings do not support ADHD, feedback should explain what the evidence shows, what remains uncertain and which needs or next steps still matter.

An assessment cannot promise that another diagnosis will be identified. It should still give a careful account of the available evidence and what may be useful to consider next.

Optional Ottawa module

VR attention testing

For some in-person ADHD assessments in Ottawa, virtual-reality attention testing can provide additional information about attention and impulse control under distraction.

Results are interpreted alongside the clinical interview, developmental history, questionnaires and other assessment information. The module is not used as a standalone diagnostic test.

Ask about ADHD assessment

Free screening resource

Not sure whether ADHD assessment may be worth exploring?

The adult ASRS screener asks about recent attention and executive-functioning experiences. It cannot diagnose ADHD.

Use the Adult ADHD Screener

Plan before you begin

Compare assessments, prepare and review fees

The assessment plan reflects what you want to understand. These resources explain the process before you decide whether to proceed.

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After diagnosis

Treatment remains a separate clinical decision

If the results support ADHD—or medication consultation is relevant for another reason—you may discuss treatment options with an appropriate prescriber. BrainLab’s Nurse Practitioner service can provide virtual consultation, prescribing and follow-up within professional scope.

Where clinically appropriate, medication-related care may also consider pharmacogenomic information as one part of the prescribing decision.

Nurse Practitioner mental health services Plan next steps after assessment

Frequently asked questions

What does an ADHD assessment involve?

It brings together interview, developmental and current history, questionnaires and selected assessment methods to understand attention and executive functioning in context.

Can adults be assessed for ADHD?

Yes. BrainLab assesses adults as well as children and adolescents.

Can children and adolescents be assessed?

Yes. Their assessment considers development and functioning across relevant settings such as home and school.

Is information from another person always required?

No single collateral requirement applies to every assessment. Another perspective can be helpful when relevant and available, with appropriate consent.

Can ADHD overlap with autism, anxiety or learning difficulties?

Yes. Assessment considers overlapping or alternative explanations rather than treating one symptom as decisive.

What is virtual-reality attention testing?

For some in-person Ottawa assessments, it is an optional measure of attention and impulse control under distraction. It is never interpreted on its own.

How long does an ADHD assessment usually take?

Often 4–6 appointment hours, plus interpretation and report work. The exact schedule depends on what the assessment needs to answer.

What does an ADHD assessment typically cost?

Psychological assessments are billed at $275 per hour; many comprehensive assessments total approximately $2,000–$4,000 depending on scope.

Next step

Request an ADHD assessment.

Tell us what you have noticed and what you would like the assessment to clarify.

Request an Assessment