ADHD and autism assessment pathway
NHS Lothian covers a combined population of around 900,000. This page explains how referrals work and what to expect at each stage.
You do not need a formal diagnosis to access information and support from NHS Lothian's neurodiversity services. Support is available at any stage.
Getting assessed as an adult
Adults seeking an ADHD or autism assessment through the NHS in Lothian are referred through their GP into adult mental health or psychiatry services.
Describe your symptoms clearly — give specific examples from daily life, not just general descriptions. Mention that symptoms have been present since childhood. You can bring a completed ADHD screener or autism screener to support the conversation.
NHS Lothian's GP referral guidelines specifically mention the WFIRS-S (Weiss Functional Impairment Rating Scale — Self Report) as a tool to assess how symptoms are affecting daily life across work, education, social, and family settings. Completing one before your appointment and bringing it with you can strengthen your case for referral.
Your GP refers you to adult psychiatry or mental health services. NHS Lothian has published referral guidelines for adult ADHD via their RefHelp system, which GPs use to determine the appropriate referral.
Once your referral is accepted, you are placed on a waiting list. NHS Lothian has one of the largest adult neurodevelopmental waiting lists in Scotland. Current waits are reported in years. See waiting times by board.
When your turn comes, you will be offered an assessment appointment. A thorough assessment should use validated tools such as the DIVA interview and Conners rating scales for ADHD, or ADOS-2 for autism. It may involve someone who knows you well providing collateral information.
You receive a clinical decision — diagnosis or no diagnosis — with an explanation of the clinician's reasoning. If diagnosed with ADHD, a prescription may follow. If diagnosed as autistic, you will be signposted to relevant support.
Getting your child assessed
Referrals for children and young people in Lothian can come from GPs, schools, health visitors, and other professionals. NHS Lothian provides a specific referral form for neurodevelopmental assessments. Under the national Children's Neurodevelopmental Pathway framework (NAIT, 2021), support should be available based on need — not diagnosis. You should not need to wait for a formal diagnosis before asking for help at school or from other services.
A GP, school, health visitor, or other professional submits a referral using NHS Lothian's neurodevelopmental referral form (ND RFA Form), available at services.nhslothian.scot/neurodiversity.
The referral is reviewed by the appropriate service. Children with co-existing mental health needs may be directed to CAMHS. Others may go to paediatrics or a dedicated neurodevelopmental team depending on age and presentation.
NHS Lothian has over 7,000 children and young people waiting for neurodevelopmental assessment — one of the largest lists in Scotland. Waits are currently measured in years for most referrals.
Assessment typically involves clinical interviews with the child and family, validated tools appropriate to age and presentation, and information from school where relevant.
A diagnosis or clinical decision is given. Support is available from the neurodiversity team regardless of diagnosis — you do not need a formal diagnosis to access information and practical help.
While you wait — support and resources
You do not need a formal diagnosis to access most of the following resources. Support is available now.
NHS Lothian neurodiversity support
NHS Lothian's neurodiversity team provides information, resources, and some forms of support without requiring a formal diagnosis.
Peer support in Lothian
The Scottish ADHD Coalition maps local peer support groups across Scotland. Several groups serve Edinburgh and the Lothians. No diagnosis is required to attend most groups.
Mental health support while waiting (Midlothian)
For people in Midlothian struggling with anxiety, stress, or low mood while waiting, Health in Mind's access point offers appointments usually within three weeks — free of charge.
Scotland-wide support organisations
Your child's school rights — no diagnosis needed
Schools in Scotland are required to support children with additional needs under the Additional Support for Learning (Scotland) Act 2004. No diagnosis is required. Ask your child's school about a Co-ordinated Support Plan (CSP) or Individual Education Programme — these can be put in place while waiting for assessment.
If the wait is too long
If NHS waiting times in Lothian are not manageable, private assessment is an option. Our compare tool lists private providers operating in and around Edinburgh, with filters for HIS registration, shared care support, and cost.
If you receive a private diagnosis, you can ask your NHS GP to take over prescribing through a shared care agreement. See our shared care guide.
Sources
- NHS Lothian Neurodiversity — Supports and Resources
- NHS Lothian RefHelp — AD(H)D in Adults referral guidelines
- Right Decisions — NHS Lothian ADHD prescribing guidelines (children, young people, and adults)
- NAIT — Children's Neurodevelopmental Pathway Practice Framework (Scottish Government funded), May 2021
- Scottish Government — National Neurodevelopmental Specification: principles and standards of care for children and young people, 2021
- Health, Social Care and Sport Committee — ADHD and autism pathways and support, January 2026
- Scottish Parliament Research Briefing SB 25-25 — Neurodevelopmental Pathways and Waiting Times in Scotland, June 2025