25 Apr A Complete Guide to ADHD Diagnosis Sydney

Complete Guide to ADHD Diagnosis Sydney

 

More than one million Australians are estimated to have ADHD, with more than half of people estimated to be still undiagnosed. This blog aims to provide background information on ADHD and guide you through the process of ADHD diagnosis Sydney.

For many people, an ADHD diagnosis can help them to better understand themselves, provide an answer to many of their questions, and provide closure on some causes of their problems. Untreated ADHD can result in a comorbidity of other conditions, such as anxiety, depression, and chronic stress. People with untreated ADHD are also more likely to deal with job instability, difficulty in relationships, and commonly deal with substance abuse and other harmful addictions.

Do you often find it hard to pay attention? Are you forgetful, restless, or even a bit self-critical and anxious? Perhaps you’ve wondered if you or someone you love might have ADHD, but you’re not sure where to start or what to do. Well, you’re not alone. Many people in Australia face similar challenges without knowing where to turn for help.

In this blog post, I’ll walk you through everything you need to know about ADHD diagnosis Sydney. From understanding what ADHD is to navigating the assessment process and finding the right support, I’ve got you covered. 

What is ADHD?

ADHD (Attention Deficit Hyperactivity Disorder) is a neurodevelopmental condition that affects how people focus, control impulses, and manage energy levels. It can look different for everyone and often shows up as inattention, hyperactivity, or impulsivity – sometimes all three. Being neurodevelopmental means that there are almost always early childhood signs of ADHD, and it rarely develops during adulthood.

Common signs of ADHD:

• • • Struggling to stay focused on tasks
    • Forgetting everyday responsibilities
    • Restlessness or constant fidgeting
    • Interrupting others or talking over people
    • Trouble managing time and staying organised
    • Making quick decisions without thinking them through

These signs can affect children, teens, and adults. The key is noticing whether these patterns are persistent, happen across multiple settings (like home and work), and significantly impact daily life.

Why Get an ADHD Diagnosis Sydney?

A proper ADHD assessment can bring clarity. Many people live for years with undiagnosed ADHD, thinking their challenges are just personality flaws. But with a diagnosis comes understanding—and that can lead to real, positive change. At McKinnon Psychology we offer child, adolescent and adult ADHD assessments and make ADHD diagnoses where appropriate. 

You might consider getting assessed for an ADHD Diagnosis if:

• • • You (or your child) are struggling with attention or organisation
    • Emotional ups and downs feel hard to manage
    • You often feel overwhelmed, behind, or misunderstood
    • You suspect you may have ADHD after learning more about it

If you’re based in Sydney or surrounding areas like the Inner West, North Shore, or Eastern Suburbs, McKinnon Psychology offers a convenient location and accessible services tailored for your local needs. We also support regional NSW and national clients through online, Telehealth ADHD diagnosis and assessment options.

The ADHD Diagnosis Process

At McKinnon Psychology and similar clinics, ADHD assessments are structured but personalised. Here’s what you can expect:

Step 1: Initial Consultation

This first meeting helps the psychologist understand your concerns. It can be conducted either in person or via telehealth. You’ll talk about your history, current struggles, and goals. For children, separate sessions with a parent and the child are typical.

Step 2: Comprehensive Assessment

This usually spans 2-4 sessions and is tailored to your specific needs. Types of assessments include:

• • • Clinical interviews
    • Behaviour rating scales
    • Attention and executive functioning tests
    • Cognitive testing (if needed)
    • Review of school/work reports or prior assessments
    • Feedback from family members or teachers (with permission)

Step 3: Report and Feedback

Once all information is gathered:

• • • A detailed report is written
    • A feedback session is scheduled to explain the results
    • If your results indicate you have an ADHD diagnosis, your psychologist will provide recommendations for your next steps and potential treatment options. (therapy, medication, school/work supports)

What to Expect During Your Assessment

• • • Duration: Each session lasts 50-90 minutes; the full process takes 2-4 weeks.
    • Methods: You might complete questionnaires, computer-based tests, or talk through your experiences in interviews.
    • Environment: At McKinnon Psychology, we believe in neuroaffirmation. It’s a supportive, non-judgmental space where you can feel comfortable to be yourself.
    • Follow-up: You might be asked for extra information to clarify details or fill in gaps.

Costs & Rebates for ADHD Assessments

• • • Private practice fees: Starting from around $1400, depending on complexity and number of sessions required.
    • Medicare: There are no rebates for the assessment itself, but you can claim rebates for related therapy sessions under a Mental Health Care Plan.
    • Private health: Some extras cover psychological assessments. Check with your insurer.

Who Can Do an ADHD Assessment?

• • • Psychologists: Conduct in-depth assessments, offer therapy, and provide detailed reports (but can’t prescribe medication).
    • Psychiatrists: Medical doctors who can assess ADHD and prescribe medication. Useful if medication is likely to be part of treatment.
    • Paediatricians: For children, they can diagnose and prescribe medication if needed.

What Happens After ADHD Diagnosis Sydney?

At McKinnon Psychology, care continues after diagnosis. You can keep working with the same psychologist for therapy, helping build a supportive and trusting relationship. Behavioral treatment has shown to be highly effective in treating ADHD. Your psychologist can also provide you with some suggestions of psychiatrists should medication be indicated in the treatment plan.

Treatment options may include:

• • • Cognitive-behavioural strategies
    • Executive function and organisation coaching
    • Time management and emotional regulation tools
    • Parent training for kids with ADHD
    • Referral for medication if needed (through a psychiatrist or paediatrician)
    • Support at school or work

Understanding ADHD Diagnosis:

ADHD Strengths & Differences

It’s important to recognise that ADHD also comes with unique strengths. Many successful people, from Michael Phelps to Richard Branson have an ADHD diagnosis. People with ADHD often show the ability to be creative and think out of the box, they can be full of energy and enthusiasm all the time and hyperfocused when they need to. Understanding how your brain works can be an important step to harnessing your natural ability and your unique strengths.

ADHD in Males vs. Females

When considering if you or a loved one may have ADHD, it is significant to understand the major differences in presentation between males and females. These differences have led to a societal misunderstanding in what ADHD looks like, resulting in females receiving less or delayed care.

Adult ADHD: A Quick Overview

Many adults live with ADHD without knowing it. It is estimated that 75% of adults with ADHD remain undiagnosed. If you’re constantly forgetting things, struggling to focus, or feeling disorganised, an assessment might reveal more than you expect.

Key adult symptoms:

• • • Chronic procrastination
    • Internal restlessness
    • Difficulty focusing in meetings
    • Impulsive decisions or spending
    • Trouble relaxing or winding down
    • Emotional highs and lows

Executive Function Challenges:

• • • Time management issues
    • Forgetfulness
    • Emotional regulation difficulties
    • Trouble prioritising tasks

FAQs: ADHD Diagnosis Sydney

Q. How long does ADHD diagnosis Sydney take?
Ans: 2-4 weeks total, including feedback.

Q. Can I do an ADHD assessment online?
Ans: Yes, we can assess adults for ADHD online! That’s why we offer secure, private telehealth appointments for residents across Australia and worldwide. This option allows you to start or continue treatment from the comfort of your own space, while still receiving expert care from our team. At this point in time, assessments of ADHD in childhood or adolescence require an in-person assessment. 

Q. Is there an age limit for ADHD diagnosis?
Ans: No. ADHD can be assessed at any age. We offer adult ADHD assessments as well as child and adolescents.

Q. Do I need to bring anything to my ADHD assessment?
Ans: Previous reports or school records can be helpful. Your psychologist will advise you before your session.

Q. What if I received an ADHD diagnosis?
Ans: You’ll receive a full report and treatment recommendations. Therapy, support, and possibly medication can follow.

Taking the First Step

Getting assessed for ADHD isn’t about labelling yourself—it’s about understanding yourself better. Whether you’re looking into an assessment for you or a loved one, it can be the beginning of a powerful journey toward clarity and support.

At McKinnon Psychology in Edgecliff, we offer convenient access via public transport and serve clients across Sydney, including the Eastern Suburbs, North Shore, Inner West, and beyond. 

If you’re ready to take the next step, book a free 15-minute phone consultation today.

📞 Call us at 02 9066 3070 to schedule your initial consultation.

Last Updated on July 23, 2026 by Dr Anna McKinnon