Adult ADHD Screening vs. Diagnosis: What's the Difference?
If you recently completed an ADHD screening questionnaire and scored positive, you may be wondering whether that means you have ADHD.
Not necessarily.
At LB Psychiatry, we use screening tools such as the Adult ADHD Self-Report Scale (ASRS Part A) to help identify individuals who may benefit from a more comprehensive evaluation. However, a screening questionnaire is only the first step and cannot diagnose ADHD by itself.
Understanding the difference between screening and diagnosis can help you make informed decisions about your next steps.
What Is an ADHD Screening?
An ADHD screening is a brief questionnaire designed to identify symptoms commonly associated with ADHD.
The screening available on our website uses the ASRS Part A, one of the most widely used ADHD screening tools for adults.
The ASRS asks about common symptoms such as:
Difficulty staying organized
Problems completing tasks
Forgetfulness
Trouble sustaining attention
Procrastination
Distractibility
A positive result suggests that additional evaluation may be appropriate, but it does not confirm an adult ADHD diagnosis.
Why Do False Positives Occur (Adult ADHD Diagnosis)?
One of the biggest misconceptions about ADHD is that difficulty focusing automatically means ADHD.
In reality, many medical conditions, mental health conditions, and lifestyle factors can cause symptoms that look very similar to ADHD.
Common causes of false-positive ADHD screenings include:
Anxiety
Anxiety can make it difficult to focus because the brain is constantly scanning for potential problems.
People with anxiety often report:
Racing thoughts
Forgetfulness
Difficulty concentrating
Trouble completing tasks
Feeling mentally overwhelmed
These symptoms can closely resemble ADHD.
Depression
Depression can affect motivation, concentration, memory, and productivity.
Many adults who are experiencing depression initially wonder whether they have ADHD because they notice a significant decline in focus and performance.
Burnout and Chronic Stress
When the brain is under prolonged stress, executive functioning often suffers.
People experiencing burnout commonly report:
Mental fatigue
Poor concentration
Difficulty prioritizing
Increased procrastination
Reduced productivity
Sleep Problems
Poor sleep is one of the most common causes of attention difficulties.
Conditions such as:
Insomnia
Obstructive sleep apnea
Shift work schedules
Chronic sleep deprivation
can significantly impair attention, memory, and executive functioning.
Medical Conditions
Several medical conditions can affect concentration and focus, including:
Thyroid disorders
Iron deficiency
Vitamin deficiencies
Chronic pain conditions
Hormonal changes
Neurological conditions
This is one reason we may recommend medical evaluation or laboratory testing when appropriate.
Substance Use
Alcohol, cannabis, and other substances can affect attention, memory, motivation, and concentration.
In some cases, symptoms improve significantly once substance use is addressed.
Can ADHD Screenings Miss ADHD?
Yes.
Screening tools can also produce false negatives.
Some adults have developed strong coping strategies that help them compensate for ADHD symptoms. Others may underestimate their difficulties because they have lived with them for so long.
A normal screening result does not automatically rule out ADHD.
What Is Involved in an ADHD Diagnosis?
ADHD is diagnosed through a comprehensive clinical evaluation.
At LB Psychiatry, the evaluation process typically includes:
Reviewing Current Symptoms
We discuss attention, concentration, organization, procrastination, executive functioning, work performance, academic history, and daily functioning.
Assessing Childhood History
Because ADHD is considered a neurodevelopmental condition, symptoms are generally expected to begin during childhood.
We may ask about:
School performance
Teacher comments
Report cards
Childhood behavior patterns
Family observations
Reviewing Mental Health Conditions
We assess for conditions that commonly overlap with or mimic ADHD, including:
Anxiety disorders
Depression
Trauma-related conditions
Bipolar disorder
Sleep disorders
Reviewing Medical Factors
Medical conditions can contribute to concentration difficulties, so we review medical history and may recommend additional evaluation when appropriate.
Obtaining Collateral Information
When available, we may request information from parents, spouses, partners, teachers, or others who know you well.
This additional perspective can provide valuable insight into longstanding patterns of symptoms and functioning.
Are Additional Questionnaires Used?
Often, yes.
In addition to the ASRS, we may utilize more comprehensive assessment tools such as the Conners' Adult ADHD Rating Scales (CAARS).
These questionnaires provide additional information but do not replace a clinical evaluation.
Is Computerized ADHD Testing Ever Used?
Sometimes.
When the diagnosis is unclear, we may recommend objective computerized testing such as the QB Test.
This type of testing measures:
Attention
Impulsivity
Activity level
Computerized testing is not required for everyone but can be useful in certain situations.
Why Is Mood Stabilization Sometimes Recommended Before ADHD Medication?
Many individuals seeking ADHD treatment also experience anxiety, depression, chronic stress, burnout, or sleep difficulties.
Because these conditions can significantly affect concentration and focus, treatment may initially focus on stabilizing mood, anxiety, or sleep before determining whether ADHD symptoms persist.
This helps ensure the correct diagnosis and often leads to better long-term outcomes.
ADHD Treatment in Washington State
LB Psychiatry provides telehealth psychiatry and ADHD medication management services across Washington State, including Auburn, Kent, Covington, Federal Way, Renton, Tacoma, Bellevue, Seattle, and surrounding communities.
Our approach focuses on understanding the whole person, including:
Sleep
Stress
Nutrition
Burnout
Anxiety
Executive dysfunction
Lifestyle contributors
Emotional health
We believe effective ADHD treatment involves more than simply prescribing medication.
Take Our ADHD Screener
Schedule an Appointment
The Bottom Line
A positive ADHD screening does not necessarily mean you have ADHD, and a negative screening does not necessarily rule it out.
Screening tools are designed to identify people who may benefit from further evaluation. A comprehensive assessment helps determine whether ADHD, anxiety, depression, sleep issues, burnout, a medical condition, or another factor is contributing to your symptoms.
If you have ongoing difficulties with focus, organization, procrastination, or executive functioning, a professional evaluation can help identify the underlying cause and guide appropriate treatment.
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