Written by: THE BALANCE
Medically reviewed by Dr. Sarah Boss, MD
Last updated: January 21, 2026
Fact checked
Quick Summary
  • Are you struggling to focus on your daily tasks or find yourself frequently forgetful?
  • Attention Deficit Hyperactivity Disorder (ADHD) is a common neurodevelopmental disorder that affects both children and adults.
  • Attention Deficit Hyperactivity Disorder (ADHD) is a condition that affects both children and adults.

Are you struggling to focus on your daily tasks or find yourself frequently forgetful? You may be one of the millions of adults with ADHD. Attention Deficit Hyperactivity Disorder (ADHD) is a common neurodevelopmental disorder that affects both children and adults. In the UK, it is estimated that 2-5% of adults have ADHD, with many experiencing significant impairments in their daily lives due to the condition. 

However, only a small fraction of these individuals receive a formal diagnosis in even major cities of the UK like London and have thus limited access to appropriate treatment at inpatient treatment centres. ADHD assessment for adults is crucial in identifying and addressing the condition, yet it remains underutilized. 

Continue reading as we explore the importance of ADHD assessment for adults, the types of assessments available, and how to prepare for an evaluation.

Attention Deficit Hyperactivity Disorder (ADHD) is a condition that affects both children and adults. Although it is often diagnosed in childhood, many adults with ADHD may not have received a proper diagnosis. 

ADHD can make it difficult to focus, pay attention, and control impulsive behavior, which can affect daily life and relationships. If you suspect that you have ADHD, it is important to get an assessment to confirm the diagnosis and receive appropriate treatment.

What Is ADHD Assessment?

ADHD assessment is a comprehensive evaluation that aims to diagnose ADHD in adults. It involves a series of tests and evaluations conducted by a healthcare professional, such as a psychiatrist or psychologist. The assessment typically includes an interview, medical history, and symptom rating scales. The healthcare professional will also look for other conditions that may mimic ADHD symptoms, such as anxiety, depression, or sleep disorders.

The Different Types Of ADHD Assessments

There are different types of ADHD assessments, but the most common is the clinical interview and symptom rating scales. The clinical interview is a conversation between the healthcare professional and the patient to gather information about symptoms, medical history, and current life circumstances. The interview may be structured or unstructured and may cover different areas, such as education, work, relationships, and daily activities.

Symptom rating scales are questionnaires that measure the severity of ADHD symptoms. Several types of rating scales are available, such as the Adult ADHD Self-Report Scale (ASRS) and the Conners Adult ADHD Rating Scale (CAARS). These scales usually ask about symptoms such as forgetfulness, impulsivity, and hyperactivity, and the patient rates their experience on a scale.

Why Is ADHD Assessment Important

Although many people associate ADHD with childhood, the truth is that many adults struggle with this condition without realizing it. ADHD can make it difficult to focus, complete tasks, and control impulses, which can cause problems in different areas of life. That’s why ADHD assessment is crucial for adults who suspect they may have this condition.

Accurate Diagnosis: One of the primary reasons why ADHD assessment is important for adults is that it leads to an accurate diagnosis. Many adults with ADHD may not have been diagnosed in childhood, which can lead to confusion and frustration. An assessment can help healthcare professionals identify the symptoms and severity of the condition.

Prevention of Misdiagnosis: Another reason why ADHD assessment is important for adults is that it can prevent misdiagnosis. Some conditions, such as anxiety and depression, can have similar symptoms to ADHD. Without a proper assessment, it can be challenging to distinguish between these conditions.

Individualized Treatment: ADHD assessment is also essential because it leads to individualized treatment, particularly in the setup of luxury inpatient treatment centres. Every person with ADHD is unique, and the symptoms and severity can vary. An assessment can help healthcare professionals tailor treatment to the individual’s needs, whether that involves medication, therapy, or coaching. 

Improved Quality of Life: Finally, ADHD assessment is important for adults because it can lead to an improved quality of life. ADHD can affect different areas of life, such as work, relationships, and self-esteem. A proper diagnosis and treatment can help individuals manage their symptoms and improve their functioning in different areas.

If you find yourself struggling with focus, attention, and organization, it may be worth considering an evaluation for ADHD. Here are some reasons why you might need an ADHD assessment:

Difficulty concentrating: If you find it hard to focus on tasks, maintain attention during conversations or lose track of what you are doing, an ADHD evaluation may be necessary.

Hyperactivity and impulsivity: If you find yourself being constantly on the move, fidgeting, or interrupting others, it may be a sign of hyperactivity and impulsivity, which are hallmark symptoms of ADHD.

Chronic lateness: If you find that you are frequently late for appointments, work, or social events, despite your best efforts to be on time, it may be due to difficulty with time management, which is a common symptom of ADHD.

Poor organization: If you struggle to keep your home, work, or personal life organized, constantly misplace items, or forget important dates or appointments, it may be worth considering an ADHD assessment.

Difficulty completing tasks: If you have a hard time completing tasks, either because you get easily distracted, lose motivation or interest, or struggle with follow-through, an ADHD assessment may be necessary.

Relationship problems: If you find that your ADHD symptoms are affecting your relationships, causing misunderstandings or conflicts, an evaluation may help you better understand and manage your symptoms.

Anxiety and depression: If you experience anxiety or depression in addition to ADHD symptoms, an evaluation may help identify underlying issues and guide appropriate treatment.

History of ADHD: If you were diagnosed with ADHD as a child or have a family history of ADHD, you may be at higher risk for adult ADHD and should consider an evaluation if you are experiencing symptoms.

Work or academic difficulties: If you are struggling to perform well at work or in school, despite putting in significant effort, it may be due to ADHD symptoms.

Inability to relax: If you find yourself constantly restless or unable to relax, even in situations where it is appropriate to do so, it may be a sign of ADHD and require an evaluation.

Seeking the help of a healthcare professional, such as a psychiatrist or psychologist at an inpatient luxury treatment is recommended for accurate diagnosis and appropriate treatment. Don’t hesitate to seek help if you suspect that you may be struggling with ADHD. With the right diagnosis and inpatient treatment, you can learn to manage your symptoms and improve your quality of life.

A comprehensive evaluation for ADHD is an essential part of the diagnostic process. It involves assessing a person’s history, current symptoms, and how they impact their daily life. Here we will explore what a comprehensive evaluation for ADHD includes.

Medical history and physical exam

The first step in an ADHD evaluation is a thorough medical history and physical examination. This includes reviewing the patient’s medical history, family history, and any medications they are currently taking. A physical exam can also be performed to rule out any medical conditions that could be causing ADHD-like symptoms. For instance, hypothyroidism or sleep apnea could cause inattention, hyperactivity, or impulsivity, and these conditions need to be ruled out.

Diagnostic criteria

The diagnostic criteria for ADHD can be found in the DSM-5 (Diagnostic and Statistical Manual of Mental Disorders, fifth edition). The criteria include symptoms such as inattention, hyperactivity, and impulsivity. The clinician will use these criteria to determine if the patient meets the diagnosis of ADHD.

Symptom assessment

An essential part of a comprehensive ADHD evaluation is assessing the patient’s current symptoms. This includes asking questions about inattention, hyperactivity, and impulsivity. The clinician may ask the patient to describe situations where they have difficulty with attention, focus, and organization. They may also ask about symptoms related to hyperactivity and impulsivity, such as fidgeting, interrupting others, or acting without thinking. The clinician may also want to know if these symptoms exist in different settings, such as work, school, or social situations.

Behavioral assessments

Behavioral assessments are often used to assess ADHD symptoms. These assessments can include rating scales completed by the patient, family members, or friends. The scales ask about specific ADHD symptoms and their severity. Behavioral assessments can also include direct observations of the patient’s behavior. These observations may be conducted in a clinical setting, at school, or home.

Psychological evaluation

A psychological evaluation is another important part of a comprehensive ADHD evaluation. This evaluation can help identify other conditions that may be present alongside ADHD, such as anxiety or depression. The clinician may also use psychological testing to assess the patient’s cognitive abilities, such as memory or attention span. These tests can help identify any areas of weakness that may be contributing to the patient’s ADHD symptoms.

Developmental and educational history

Developmental and educational history can also provide important information for an ADHD evaluation. The clinician may want to review the patient’s developmental history to look for any early signs of ADHD. They may also want to review the patient’s educational history to identify any academic difficulties that may be related to ADHD symptoms.

Interviews with family members or significant others

Interviews with family members or significant others can provide valuable insight into the patient’s ADHD symptoms. They can offer a different perspective on the patient’s behavior and provide information about how ADHD symptoms are affecting the patient’s relationships.

ADHD is a complex condition that requires a qualified professional to diagnose. But who exactly is qualified to diagnose ADHD? Here we will explore the different types of professionals who can diagnose ADHD.

Psychiatrists and Psychologists

Psychiatrists and psychologists are the most common professionals who diagnose ADHD. They have extensive training in mental health and are experts in diagnosing and treating ADHD. Psychiatrists are medical doctors who specialize in mental health and are licensed to prescribe medications. Psychologists, on the other hand, do not prescribe medication but can provide therapy and other forms of treatment.

Family Physicians

Family physicians can also diagnose ADHD, but they may not have the specialized training and expertise that psychiatrists and psychologists have. However, they can perform initial assessments and refer patients to specialists if necessary [6].

Clinical Social Workers

Clinical social workers can also diagnose ADHD. They are licensed mental health professionals who provide therapy and other forms of treatment. While they may not have the authority to prescribe medication, they can work with psychiatrists and other medical professionals to develop treatment plans for their patients.

Nurse Practitioners and Physician Assistants

Nurse practitioners and physician assistants can also diagnose ADHD, but they work under the supervision of a physician. They have extensive training in primary care and are qualified to provide initial assessments and referrals [7].

In summary, psychiatrists and psychologists are the most common professionals who diagnose ADHD. However, family physicians, clinical social workers, nurse practitioners, and physician assistants can also diagnose ADHD, but they may not have the same level of expertise as psychiatrists and psychologists. It’s essential to find a qualified professional who has experience diagnosing and treating ADHD.

If you are considering an evaluation for ADHD, it’s essential to be well-prepared to ensure you get an accurate diagnosis. Here are some tips on how to prepare for the evaluation.

Understand the process

Before the evaluation, it’s helpful to know what to expect. The process can vary depending on the healthcare professional conducting the evaluation. Typically, it involves several steps, including a medical exam, self-assessment, and an interview with a healthcare professional. It’s a good idea to ask the healthcare professional what the evaluation will involve so that you know what to expect.

Collect relevant information

It’s helpful to gather information about your medical history, including any past diagnoses or treatments, any medications you’re taking, and any medical conditions you have. You should also bring any relevant documents, such as school reports, work performance reviews, or any other documentation that supports your ADHD symptoms. (6)

Complete self-assessment forms

Many healthcare professionals will ask you to complete self-assessment forms before the evaluation. These forms help the healthcare professional to identify potential ADHD symptoms and how they are affecting your life. 

Completing these forms ahead of time can save time during the evaluation and help to ensure that the healthcare professional gets a complete picture of your symptoms. 

There are several self-assessment forms available online, such as the Adult ADHD Self-Report Scale (ASRS) (2) or the World Health Organization Adult ADHD Self-Report Scale (WHOASRS) (3). You can also ask the healthcare professional conducting the evaluation which forms they prefer.

Keep a journal

It can be helpful to keep a journal of your ADHD symptoms leading up to the evaluation. Note how often you experience symptoms and how they affect your daily life. For example, if you struggle to focus at work or school or experience hyperactivity, write down when and how often this occurs. Keeping a journal can help you to identify patterns in your symptoms.

Get a good night’s sleep

It’s essential to get enough sleep before the evaluation to ensure you’re alert and able to communicate effectively with the healthcare professional. Lack of sleep can exacerbate ADHD symptoms and make it difficult to focus during the evaluation.

Avoid stimulants before the evaluation

Avoid consuming any stimulants, such as caffeine or nicotine, before the evaluation, as they can interfere with your ability to focus and communicate effectively during the evaluation. It’s best to stick to water or other non-caffeinated drinks before the evaluation.

Bring support

It can be helpful to bring a supportive friend or family member to the evaluation. They can offer emotional support, help you remember information, and provide an objective perspective on your symptoms.

Be honest

Finally, it’s essential to be honest with the healthcare professional during the evaluation. Being honest helps the healthcare professional to get a complete picture of your symptoms, which can lead to an accurate diagnosis and effective treatment.

  1. ADHD Test (Self-Assessment). https://www.psycom.net/adhd-test
  2. ADHD Test: Do I Have ADD? Symptoms in Adults. https://www.additudemag.com/adhd-symptoms-test-adults/
  3. Diagnosis of ADHD in Adults. https://chadd.org/for-adults/diagnosis-of-adhd-in-adults/
  4. Adult ADHD: Screening and Assessment. https://www.camh.ca/en/professionals/treating-conditions-and-disorders/adult-adhd/adult-adhd—screening-and-assessment
  5. ADHD Test. https://add.org/adhd-test/
  6. Adult ADHD Assessment and Diagnosis. https://www.aafp.org/family-physician/patient-care/prevention-wellness/emotional-wellbeing/adhd-toolkit/assessment-and-diagnosis.html
  7. Adult ADHD Tests, Self-Assessments, & Quizzes [2023 Guide]. https://www.talkwithfrida.com/learn/adult-adhd-tests-self-assessments/

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