Our Services Diagnostic Service 5. Assessment Process and Outcome Part 1. In-Person Autism Diagnostic Observation Schedule (ADOS-2) The person seeking an assessment will be asked to attend a structured observation lasting approximately one hour. This will be with our clinicians in our diagnostic suite. A clinician will greet you there, cover any Covid-security details and welcome you into the building. Consent for video recording will be requested. Part 2. Online Autism Diagnostic Interview (ADI-R) Your chosen informant will attend a 4-5 hour structured interview with our clinicians via video call to discuss childhood developmental history for the person being assessed. Outcome A clinician will provide a personalised communication of the assessment within 24 hours of the final part of assessment completion. You will receive a highly detailed draft diagnostic report including recommendations and resources. Click here to read about Post-Diagnostic Support