Struggling with focus, organisation, or constant mental overload?
Take a quick check and get a proper diagnosis with specialist clinicians.
Over the last 6 months, rate how often you experience each of the following. Based on the validated Adult ADHD Self-Report Scale (ASRS-v1.1).
This isn't laziness. It may be ADHD.
You have the legal right to choose your ADHD provider in England. We accept referrals via the Right to Choose pathway, meaning:
NHS-funded assessment
No long local waiting lists
Faster access to diagnosis and support
No referral forms needed. Simply locate us on the NHS e-Referral Service (e-RS) and submit your referral — we'll take care of the rest.
Service Name
Adult ADHD Assessment - Adult Mental Health - Rainbow Diagnostics - X9E9C
Location
RAINBOW DIAGNOSTICS (U7J0T)
This service is listed on e-RS under the above details. Use the service name and location above to locate us.
Use our validated ASRS-v1.1 screening tool above.
Request an NHS Right to Choose referral to Rainbow Diagnostics — or let us contact your GP for you.
We will contact you to arrange a convenient appointment.
DSM-5 based assessment with a specialist clinician.
Detailed written report and personalised treatment recommendations.
Led by Dr Inder Sawhney, Consultant Psychiatrist, shortlisted for Psychiatrist of the Year (RCPsych, 2022).
Regulated by the Care Quality Commission for safe, effective care.
On-site diagnostics and experienced clinical support staff.
Serving patients from Chelmsford, Essex and across England via virtual assessments.
Answers to common questions about adult ADHD diagnosis, treatment and the NHS Right to Choose pathway.
Evidence-based guides written by our clinical team to help you understand ADHD symptoms, diagnosis, treatment and your rights on the NHS.
Learn to recognise common adult ADHD signs including inattention, impulsivity and hyperactivity.
A complete guide to getting an NHS ADHD assessment in Chelmsford, including eligibility and booking options.
Skip long NHS waiting lists with a Right to Choose referral for a faster ADHD assessment in Essex.
Discover how to access free, NHS-funded ADHD assessment and treatment without the long wait.
Understand ADHD inattention symptoms — difficulty focusing, forgetfulness and disorganisation — and when to seek help.
Recognise ADHD hyperactivity signs such as restlessness, fidgeting and feeling constantly "on the go".
Learn what ADHD impulsivity looks like in adults and how it can affect daily life, relationships and decision-making.
Find out what benefits you may be entitled to with an ADHD diagnosis, including PIP, ESA and Universal Credit.
Take the first step towards understanding your ADHD.
Complete our 60-second screening test and get expert guidance on your NHS referral pathway