NICE

• https://www.nice.org.uk/guidance/cg142/chapter/guidance#identification-and-assessment
• https://www.nice.org.uk/guidance/qs51/chapter/Quality-statement-1-Diagnostic-assessment-by-an-autism-team

NHS diagnoses guide

• https://www.nhs.uk/conditions/autism/getting-diagnosed/how-to-get-diagnosed/

What happens at the assessment and what you could do while waiting for one and after the result

• https://www.nhs.uk/conditions/autism/getting-diagnosed/assessments/

NAS

• https://www.autism.org.uk/about/diagnosis/criteria-changes.aspx##criteria
• https://www.autism.org.uk/about/strategy/overview.aspx