Adult ADHD Testing & Evaluation in Pennsylvania & Delaware

Comprehensive adult ADHD evaluation with options for ongoing care or standalone diagnostic evaluation.

For adults located in Philadelphia, see our dedicated guide to Adult ADHD Testing, Diagnosis & Treatment in Philadelphia, PA for Philadelphia-specific evaluation, treatment, telehealth, and appointment information.

If you are searching for adult ADHD testing in Philadelphia, Pennsylvania, or Delaware, it is important to understand the difference between an ADHD test and a comprehensive ADHD diagnostic evaluation.

ADHD is not diagnosed from one computerized test, questionnaire, or online screening tool alone.

At ADHD Philadelphia, adult ADHD evaluation considers your symptoms, developmental history, current functioning, areas of impairment, psychiatric and medical history, standardized assessment information, and other possible explanations for your symptoms.

Testing can provide useful information. The complete evaluation determines what that information means in the context of your life.

Learn more about how adult ADHD is diagnosed in Pennsylvania and Delaware.

Two Adult ADHD Evaluation Options

ADHD Philadelphia offers two evaluation pathways based on what you are seeking after the diagnostic process.

ADHD Evaluation + Ongoing Care — $300 Total

This pathway is designed for adults who want an ADHD evaluation and intend to establish ongoing ADHD treatment with ADHD Philadelphia when clinically appropriate.

Step 1 — ADHD Consultation: $150

50 minutes

The initial consultation may include review of:

  • Current ADHD symptoms

  • Childhood and developmental history

  • Attention and executive-function difficulties

  • Functional impairment

  • Work or academic functioning

  • Relationships and daily responsibilities

  • Mental health history

  • Relevant medical history

  • Sleep

  • Current medications

  • Substance-use considerations

  • Conditions that may resemble or occur alongside ADHD

Step 2 — ADHD Diagnostic Integration, Results & Recommendations: $150

60 minutes

Clinical findings, standardized questionnaires, testing information when used, developmental history, functional impairment, and differential-diagnosis considerations are integrated and reviewed.

Your diagnostic findings and recommendations are discussed with you.

Total initial evaluation: $300

If ADHD is diagnosed and treatment is clinically appropriate, you may continue with ADHD Philadelphia for ongoing treatment and medication management.

Ongoing treatment and medication-management appointments are $150 each.

Learn more about Adult ADHD Treatment & Medication Management.


https://www.adhdphiladelphia.com/book-a-same-day-appointment

ADHD Testing & Evaluation Only — $500 Total

This pathway is designed for adults seeking a comprehensive standalone ADHD diagnostic evaluation who do not plan to establish ongoing ADHD treatment with ADHD Philadelphia as part of the initial service.

Step 1 — Initial Diagnostic Evaluation: $350

90 minutes

The comprehensive initial diagnostic evaluation may include:

  • Current ADHD symptom assessment

  • Childhood and developmental history

  • Functional-impairment assessment

  • Work and educational functioning

  • Psychiatric history

  • Relevant medical history

  • Sleep

  • Medication review

  • Substance-use considerations

  • Screening for alternative or co-occurring conditions

  • Review of previous ADHD evaluation or treatment when relevant

Step 2 — ADHD Diagnostic Integration, Results & Recommendations: $150

60 minutes

Assessment findings, standardized information, testing results when used, clinical history, functional impairment, and differential-diagnosis considerations are reviewed together.

Diagnostic findings and appropriate recommendations are then discussed.

Total standalone evaluation fee: $500

The full $500 evaluation fee is paid before the initial diagnostic appointment.

Testing, questionnaires, requested records, or other information needed for the evaluation may be completed between appointments.

Diagnostic documentation is generally completed within 7 days after all required appointments, testing, questionnaires, records, and requested information have been completed and received.

The seven-day period does not begin with the first appointment. It begins after all required components have been completed or received.

This pathway does not include ongoing ADHD treatment or medication management.


https://www.adhdphiladelphia.com/book-a-same-day-appointment

Not Sure Which ADHD Evaluation Option to Choose?

A free 10-minute consultation is available if you have questions about ADHD Philadelphia or are unsure which evaluation pathway best matches what you are seeking.

If you intend to establish ongoing ADHD treatment with ADHD Philadelphia, choose:

ADHD Evaluation + Ongoing Care — $300 Total

If your primary goal is a comprehensive standalone diagnostic evaluation without establishing ongoing treatment with ADHD Philadelphia, choose:

ADHD Testing & Evaluation Only — $500 Total


https://www.adhdphiladelphia.com/book-a-same-day-appointment

What Is Adult ADHD Testing?

ADHD testing refers to structured assessment tools that can provide additional information about symptoms or areas of cognitive functioning relevant to an ADHD evaluation.

Depending on clinical need, assessment may include:

  • Standardized ADHD rating scales

  • Symptom questionnaires

  • Computerized cognitive assessment

  • Measures related to attention or working memory

  • Functional-impairment assessment

  • Screening for other mental health concerns

  • Review of relevant records or collateral information when clinically appropriate

Testing can provide useful additional information.

However, no single computerized test, rating scale, or symptom questionnaire establishes an ADHD diagnosis by itself.

The National Institute of Mental Health notes that adult ADHD evaluation may include clinical interviews, rating scales, review of childhood behavior, psychological testing when appropriate, and assessment of mood and medical conditions that could provide alternative explanations.

What Is a Comprehensive Adult ADHD Evaluation?

A comprehensive ADHD evaluation asks a broader question:

Do your symptoms, developmental history, functional impairment, and overall clinical presentation support an ADHD diagnosis—and are there other conditions or factors that could better explain or contribute to what you are experiencing?

The evaluation considers multiple sources of information.

Current ADHD Symptoms

We assess patterns that may include:

  • Difficulty sustaining attention

  • Chronic procrastination

  • Difficulty starting tasks

  • Forgetfulness

  • Disorganization

  • Losing track of responsibilities

  • Poor time awareness

  • Difficulty prioritizing

  • Inconsistent follow-through

  • Restlessness

  • Impulsivity

  • Difficulty completing long or repetitive tasks

These experiences do not automatically mean someone has ADHD.

Adult ADHD Care for Diverse Communities
ADHD Philadelphia provides individualized adult ADHD care for people from diverse racial, cultural, gender, sexual-orientation, professional, and family backgrounds. Explore Adult ADHD Care for Black & BIPOC Adults and LGBTQ+ Affirming Adult ADHD Care.

Childhood and Developmental History

ADHD is a neurodevelopmental condition.

Adult ADHD evaluation therefore considers whether relevant symptoms or patterns were present during childhood, even if ADHD was not recognized or diagnosed at the time.

Information may come from:

  • Your recollection of childhood

  • Educational history

  • Previous records

  • Report cards or teacher comments when available

  • Family information

  • Collateral information when clinically appropriate

The goal is to understand whether the current difficulties are part of a longer developmental pattern.

Functional Impairment

Having ADHD-like traits is not the same as having ADHD.

We consider whether symptoms meaningfully affect areas such as:

  • Work or professional performance

  • Education

  • Organization

  • Time management

  • Household responsibilities

  • Relationships

  • Financial responsibilities

  • Appointments and deadlines

  • Daily routines

  • Self-management

ADHD symptoms must be evaluated in the context of real-world functioning.

Symptoms Across Important Areas of Life

Adult ADHD typically affects functioning across more than one important area or setting.

We consider how symptoms appear across areas such as:

  • Work

  • School

  • Home

  • Relationships

  • Daily responsibilities

A single isolated difficulty is not enough to establish an ADHD diagnosis.

Differential Diagnosis: What Else Can Look Like ADHD?

Attention and executive-function difficulties can occur for many reasons.

A comprehensive ADHD evaluation considers whether symptoms may be better explained by—or occur together with—conditions or factors such as:

  • Anxiety disorders

  • Depression

  • Trauma-related conditions

  • Bipolar disorders

  • Sleep disorders

  • Chronic sleep deprivation

  • Chronic stress

  • Burnout

  • Substance use

  • Medication effects

  • Medical conditions

  • Other neurodevelopmental conditions

More than one condition may also be present.

The goal is not simply to determine whether ADHD symptoms exist.

The goal is to determine what best explains the overall clinical picture.

You can read more about this process on our Adult ADHD Diagnosis in Pennsylvania & Delaware page.

ADHD Testing Is One Part of Diagnosis

Computerized cognitive assessment and standardized rating scales can provide useful clinical information.

They are not interpreted in isolation.

Testing findings are considered together with:

  • Developmental and longitudinal history

  • Current symptoms

  • Functional impairment

  • Clinical interview findings

  • Psychiatric considerations

  • Medical considerations

  • Standardized rating scales

  • Other relevant clinical information

  • Differential-diagnosis considerations

This is why two people with similar testing scores may not necessarily receive the same diagnosis.

Testing provides information. Clinical evaluation determines how that information should be interpreted.

What If I Perform Well on an ADHD Test?

Performing well on a computerized cognitive assessment does not automatically rule out ADHD.

Likewise, performing poorly does not automatically establish ADHD.

Testing performance can be influenced by factors such as:

  • Sleep

  • Stress

  • Anxiety

  • Motivation

  • Testing environment

  • Familiarity with computerized tasks

  • Individual cognitive strengths and weaknesses

Some adults with ADHD can also focus very effectively when a task is interesting, novel, urgent, challenging, or highly structured.

That is another reason ADHD diagnosis should not depend on one testing session.

What If I Am Successful at Work or School?

Professional or academic success does not automatically rule out ADHD.

Some adults maintain strong external performance through significant compensation, including:

  • Working much longer than expected

  • Deadline pressure

  • Overpreparation

  • Perfectionism

  • Multiple calendars and reminder systems

  • Extensive lists

  • Anxiety about making mistakes

  • Catching up during evenings or weekends

  • Support from spouses, family members, assistants, or coworkers

At ADHD Philadelphia, we consider both:

what you accomplish

and

what it takes for you to accomplish it.

High achievement does not prove ADHD either.

The evaluation considers whether there is a persistent developmental pattern of symptoms and clinically meaningful impairment.

Professionals who recognize these patterns can learn more about Adult ADHD Care for Professionals in Pennsylvania & Delaware.

Why ADHD May Not Be Recognized Until Adulthood

Some adults develop strategies that allow them to compensate for attention or executive-function difficulties for years.

Difficulties may become more noticeable when responsibilities increase through:

  • College or graduate education

  • Career advancement

  • Management responsibilities

  • Entrepreneurship

  • Marriage or partnership

  • Parenthood

  • Caregiving

  • More complex schedules

  • Increased household responsibilities

ADHD does not necessarily appear suddenly in adulthood.

Instead, increasing demands may expose difficulties that were previously compensated for.

ADHD Testing and Executive Function

Adults often seek ADHD evaluation because of difficulties involving:

  • Working memory

  • Task initiation

  • Planning

  • Organization

  • Time management

  • Prioritization

  • Sustained attention

  • Response inhibition

  • Cognitive flexibility

  • Goal-directed persistence

  • Self-monitoring

Executive-function difficulties are not unique to ADHD, but they are often important parts of the evaluation.

Read our complete guide to Executive Function in Adults With ADHD.

How Adult ADHD Testing Works at ADHD Philadelphia

Step 1: Initial Clinical Evaluation

Your first appointment focuses on understanding the overall clinical picture.

Depending on the evaluation pathway selected, we may review:

  • Your primary concerns

  • Current symptoms

  • Work and educational functioning

  • Organization and time management

  • Childhood and developmental history

  • Previous ADHD evaluation or treatment

  • Psychiatric history

  • Medical history

  • Current medications

  • Sleep

  • Substance-use considerations

  • Functional impairment

  • Conditions that may overlap with ADHD

Step 2: Assessment Information

After the initial appointment, you may be asked to complete standardized questionnaires or computerized cognitive assessment.

Additional records or collateral information may sometimes be requested when clinically necessary.

These measures provide additional information.

They are not interpreted as standalone diagnostic tests.

Step 3: Diagnostic Integration, Results & Recommendations

During the diagnostic integration process, information from the clinical evaluation, developmental history, functional impairment, standardized measures, testing when used, and differential diagnosis is considered together.

At the results appointment, we may discuss:

  • Diagnostic findings

  • What the assessment information means

  • Areas of strength and difficulty

  • Relevant differential-diagnosis considerations

  • Clinical recommendations

  • Appropriate next steps

For patients in the Evaluation + Ongoing Care pathway, treatment options may then be discussed when clinically appropriate.

For patients in the Testing & Evaluation Only pathway, appropriate diagnostic documentation and recommendations are provided without establishing ongoing treatment through that service.

For a broader overview of the process from first contact through ongoing care, visit the ADHD Philadelphia Patient Journey.

How Long Does Adult ADHD Testing Take?

There is no single universal length for an appropriate adult ADHD evaluation.

At ADHD Philadelphia, the evaluation is completed across multiple components rather than relying on one brief screening test.

Evaluation + Ongoing Care

The initial evaluation includes:

50-minute ADHD Consultation — $150

plus

60-minute ADHD Diagnostic Integration, Results & Recommendations — $150

along with required assessment components between appointments when clinically appropriate.

Total initial evaluation fee: $300

ADHD Testing & Evaluation Only

The standalone evaluation includes:

90-minute Initial Diagnostic Evaluation — $350

plus

60-minute ADHD Diagnostic Integration, Results & Recommendations — $150

along with required assessment components between appointments.

Total evaluation fee: $500

The full $500 evaluation fee is paid before the initial diagnostic appointment.

What Happens After an ADHD Diagnosis?

An ADHD diagnosis does not automatically mean that medication—or any specific medication—is appropriate.

Treatment recommendations are individualized.

For patients establishing ongoing care with ADHD Philadelphia, treatment may include:

  • Medication management when clinically appropriate

  • Behavioral strategies

  • Executive-function strategies

  • Therapy recommendations

  • Coaching recommendations

  • Workplace or educational strategies

  • Sleep and lifestyle considerations

  • Environmental or workflow modifications

Learn more about Adult ADHD Treatment & Medication Management.

Patients considering stimulant treatment should also review the Medication Management & Stimulant Treatment Policy.

Telehealth ADHD Evaluation Throughout Pennsylvania & Delaware

ADHD Philadelphia provides adult ADHD evaluation, testing, diagnosis, and treatment through secure telehealth for eligible adults located throughout Pennsylvania and Delaware.

Adults seek care from communities including:

Initial evaluations begin through secure telehealth.

In-person appointments may be scheduled after the initial telehealth appointment when clinically appropriate.

There are no walk-in appointments.

Explore Adult ADHD Testing and Treatment Locations in Pennsylvania & Delaware.

Which ADHD Evaluation Should I Choose?

Choose ADHD Evaluation + Ongoing Care — $300 if:

You want an ADHD evaluation and intend to establish ongoing ADHD treatment with ADHD Philadelphia when clinically appropriate.

Step 1: $150

Step 2: $150

Total initial evaluation: $300


https://www.adhdphiladelphia.com/book-a-same-day-appointment

Choose ADHD Testing & Evaluation Only — $500 if:

You want a comprehensive standalone ADHD diagnostic evaluation without establishing ongoing treatment with ADHD Philadelphia as part of the initial service.

Step 1: $350

Step 2: $150

Total: $500

The full $500 fee is paid before the initial diagnostic appointment.

Diagnostic documentation is generally completed within 7 days after all required appointments, testing, questionnaires, records, and requested information have been completed and received.


https://www.adhdphiladelphia.com/book-a-same-day-appointment

Patients remain free to make decisions about their healthcare as circumstances and treatment needs change.

The distinction between the two pathways reflects the type and scope of service being requested when the evaluation begins.

Frequently Asked Questions About Adult ADHD Testing

Is there one test that can diagnose adult ADHD?

No.

ADHD diagnosis requires a broader clinical evaluation. Rating scales and computerized assessments may provide useful information, but they are interpreted within the overall clinical context.

Can I take an online ADHD test instead?

Online screening tools can help identify symptoms that may warrant further evaluation.

They do not establish a clinical diagnosis.

Do I have to complete computerized ADHD testing?

Testing decisions depend on the clinical evaluation and the information needed to reach an appropriate diagnostic conclusion.

A computerized assessment is one potential component of the evaluation rather than the diagnosis itself.

Can someone have ADHD even if computerized testing looks normal?

Yes.

Computerized testing is only one source of information.

Diagnostic decisions consider developmental history, current symptoms, impairment, clinical findings, and other relevant information.

Can anxiety or depression look like ADHD?

Yes.

Anxiety, depression, sleep problems, trauma-related symptoms, chronic stress, burnout, medical conditions, substance-use concerns, medication effects, and other conditions may produce symptoms that overlap with ADHD.

These possibilities are considered during differential diagnosis.

Does an ADHD diagnosis guarantee medication?

No.

Diagnosis and treatment are separate clinical decisions.

Medication recommendations depend on diagnosis, symptoms, medical and psychiatric history, potential risks, contraindications, treatment goals, and clinical appropriateness.

How much does ADHD evaluation cost at ADHD Philadelphia?

There are two pathways.

ADHD Evaluation + Ongoing Care — $300 total

  • Step 1: $150

  • Step 2: $150

This pathway is intended for adults establishing ongoing ADHD treatment with ADHD Philadelphia.

ADHD Testing & Evaluation Only — $500 total

  • Step 1: $350

  • Step 2: $150

This pathway is intended for adults seeking a standalone diagnostic evaluation without establishing ongoing treatment with ADHD Philadelphia as part of the initial service.

How quickly will I receive documentation with the $500 evaluation-only service?

Diagnostic documentation is generally completed within 7 days after all required appointments, testing, questionnaires, records, and requested information have been completed and received.

The seven-day timeframe does not necessarily begin after the first appointment.

Can I become a treatment patient later if I choose the $500 evaluation?

You may request ongoing care later.

Acceptance for treatment depends on clinical appropriateness, current availability, and the circumstances at that time.

Ready to Begin?

You do not need to determine whether your difficulties are caused by ADHD, anxiety, depression, stress, burnout, sleep problems, or another concern before scheduling.

Clarifying what may be contributing to your symptoms is part of the evaluation process.

ADHD Evaluation + Ongoing Care

$300 total initial evaluation

For adults intending to establish ongoing ADHD treatment with ADHD Philadelphia.


https://www.adhdphiladelphia.com/book-a-same-day-appointment

ADHD Testing & Evaluation Only

$500 total

For adults seeking a comprehensive standalone ADHD diagnostic evaluation.

The full $500 evaluation fee is paid before the initial diagnostic appointment.


https://www.adhdphiladelphia.com/book-a-same-day-appointment

Related ADHD Philadelphia Resources

Adult ADHD Diagnosis in Pennsylvania & Delaware

Adult ADHD Treatment & Medication Management

Executive Function in Adults With ADHD

Adult ADHD Care for Professionals

ADHD Philadelphia Patient Journey

Medication Management & Stimulant Treatment Policy

Adult ADHD Testing and Treatment Locations in Pennsylvania & Delaware

Book an Adult ADHD Appointment

References

National Institute of Mental Health — ADHD in Adults: 4 Things to Know

Centers for Disease Control and Prevention — ADHD in Adults

National Institute for Health and Care Excellence — Attention Deficit Hyperactivity Disorder: Diagnosis and Management

Medical Information Notice

This page provides general educational information about adult ADHD and ADHD evaluation.

It does not diagnose ADHD or another medical or mental health condition and does not replace individualized medical or psychiatric evaluation, diagnosis, or treatment.

ADHD symptoms can overlap with anxiety, depression, trauma-related conditions, sleep disorders, substance-use concerns, medication effects, medical conditions, chronic stress, burnout, and other concerns.

Individual diagnosis and treatment recommendations require an appropriate clinical evaluation.

Author & Clinical Review

Charles Thornton, PMHNP-BC
Psychiatric Mental Health Nurse Practitioner
ADHD Philadelphia

ADHD Philadelphia provides adult ADHD evaluation, testing, diagnosis, treatment planning, and medication management for adults throughout Pennsylvania and Delaware.