ADHD DIAGNOSTIC ASSESSMENT
NICE-Compliant ADHD & Autism Assessments
At The ADHD Service, we understand how important it is to receive a clear, accurate diagnosis of ADHD.
That’s why all diagnostic assessments are completed by our clinical partner The Autism Service, a trusted national provider of NICE-Compliant, multi-disciplinary neurodevelopmental assessments.
The Autism Service manages your full diagnostic pathway, from assessment through to the final diagnosis.
Once this is complete, The ADHD Service seamlessly takes over your ongoing care, including medication initiation, titration and long-term ADHD support.
This means you receive the trusted, high-quality ADHD assessment The Autism Service is known for, followed by a smooth transition into expert post-diagnostic treatment delivered by our ADHD clinicians, with no gaps, delays or duplication.
Why choose an ADHD Assessment with us?
A Seamless, Supported Pathway
We manage everything behind the scenes, admin, forms, onboarding, communication, and pre-assessment questions, ensuring your experience is smooth and stress-free.
Trusted Clinical Quality
Your assessment is carried out by The Autism Service clinicians who follow NICE guidance, use validated diagnostic tools, and produce reports recognised by GPs, NHS services, universities, and employers.
One Joined-up Service
Once your diagnosis is confirmed, you can begin medication initiation, titration, and ongoing ADHD treatment directly with us, without delay, without repeating your history, and without starting over elsewhere.
Fast Access, Without Compromising Quality
The Autism Service offers timely assessment availability, giving you access to clinically robust answers without years of waiting.
1.
Pre-Assessment Screening & History
We help you complete the necessary forms, background information, and pre-screening materials before The Autism Service begins your clinical assessment.
2.
Clinical Interview (ACE)
A detailed, structured diagnostic interview exploring symptoms across your life, strengths, challenges, and functional impact.
3.
Questionnaires & Third-Party Input
You may be asked for questionnaires from school, work, or someone who knows you well. We coordinate and support this process for you.
Why Choose An ADHD Assessment With Us?
1.
Unmatched Quality You Can Trust
Quality matters, especially when it comes to an ADHD diagnosis that shapes the support, treatment and opportunities available to you or your child.
Through our partnership with The Autism Service, a leading national provider of NICE-Compliant neurodevelopmental assessments, every evaluation is carried out using gold-standard tools, rigorous clinical protocols and multi-disciplinary expertise.You receive a diagnosis that is recognised across the NHS, accepted by GPs and trusted by schools, universities and employers.
This level of clinical quality ensures accuracy, safety and confidence from day one.
2.
A Seamless, End-to-End Care Pathway
Once your assessment is complete, our ADHD specialists take over immediately with no delays, no gaps and no need to repeat any part of the process.
We provide medication initiation, titration, coaching, therapy, psychoeducation and long-term support, all aligned to NICE guidance. Everything connects smoothly, so you can move from answers → treatment → progress without stress.
3.
A Nationally Recognised Partnership That Works For You
By combining the diagnostic excellence of The Autism Service with the treatment expertise of our ADHD clinicians, you get the best of both worlds. This partnership brings together leading assessment standards with specialist ADHD medication and support services, giving you a clinically robust, high-quality experience that’s hard to find anywhere else.
Who Is Suitable For An ADHD Assessment?
An ADHD assessment may help if you:
Struggle with attention, focus or organisation.
Feel overwhelmed, forgetful or easily distracted.
Experience emotional dysregulation or impulsivity.
Have always wondered whether ADHD could explain lifelong patterns.
Need formal documentation for work, university, DSA or occupational health.
Want clarity and a plan for treatment.
Assessments are available for adults and young people.
What The Diagnostic Assessment Involves
Your assessment with will follow a multi-stage, NICE-aligned process, which typically includes:
1.
Pre-Assessment Screening & History
We help you complete the necessary forms, background information and pre-screening materials before The Autism Service begins your clinical assessment.
2.
Clinical Interview (ACE)
A detailed, structured diagnostic interview exploring symptoms across your life, strengths, challenges and functional impact.
3.
Questionnaires & Third-Party Input
You may be asked for questionnaires from school, work or someone who knows you well. We co-ordinate and support this process for you.
3.
Final Feedback & Diagnostic Report
You receive a feedback session and a comprehensive report written by The Autism Service clinicians, including a diagnostic outcome and recommendations for next steps. The report can act as evidence to request support from schools, universities and workplaces.
After Your Diagnosis
Begin ADHD Treatment With Us
Once you complete your assessment and diagnosis, you can consider starting ADHD medication and ongoing clinical support directly through The ADHD Service.
This joined-up system ensures you move from diagnosis to treatment seamlessly, without delay.
Medication Initiation
Titration & Dose Optimisation
Regular Reviews
Shared-Care Support
Workplace/University Reports
Strategy-Based Guidance
How to Begin Your ADHD Assessment
1.
Contact us
We’ll discuss your needs, explain the process, and answer any questions.
2.
We set everything up
Our team arranges your ADHD assessment and handles all the admin behind the scenes.
3.
Complete your assessment with The Autism Service
You’ll receive a full diagnostic evaluation with NICE-compliant clinicians.
4.
Continue your ADHD journey with us
If diagnosed, we’ll guide you straight into medication initiation and ongoing ADHD support.
FAQs
Your ADHD questions answered
Who completes the ADHD diagnostic assessment?
All ADHD diagnostic assessments are carried out by The Autism Service, our trusted clinical partner. The Autism Service manages the full diagnostic process from start to finish, following NICE guidelines and using validated assessment tools.
What is The ADHD Service’s role in the process?
We support you before and after your assessment. The Autism Service handles the clinical diagnosis, and once this is complete, The ADHD Service seamlessly takes over your ongoing ADHD care, including medication initiation, titration, reviews, and long-term support. We ensure your journey is smooth, coordinated, and stress-free.
Can I start medication with The ADHD Service before my diagnosis?
No. Medication can only begin after a confirmed ADHD diagnosis from The Autism Service or another recognised provider. Once diagnosed, you can start treatment with us quickly, without repeating assessments or waiting months for NHS provision.
Are The Autism Service diagnostic reports accepted by GPs, universities and employers?
Yes. The Autism Service assessments follow NICE guidelines and multi-disciplinary standards, meaning their reports are widely recognised by GPs, NHS services, education settings, and workplaces. This ensures you can access support such as workplace adjustments, DSA, and shared care (where available).
What happens after my diagnosis?
After The Autism Service provides your diagnostic outcome and report, you will be able to move directly into post-diagnostic care with The ADHD Service. Our clinicians will guide you through medication initiation, dose optimisation, follow-up reviews, and ongoing support tailored to your needs.
