Follow the referral pathway by arranging referral to a local multidisciplinary autism team, or a neurodevelopmental paediatrician or child and adolescent psychiatrist, depending on local pathways NICE CKS.
When referring, include in the referral letter the following information, if available: antenatal and perinatal history, developmental milestones, relevant medical history and investigations, and information from previous assessments NICE CG128.
Explain to parents, carers, and the child or young person what will happen on referral to the autism team or other service NICE CG128.
Ensure the referral highlights the severity and duration of clinical features, their impact across different settings, the level of concern from family and/or the child, and any risk factors for autism NICE CKS.
Include in the referral any reported signs or symptoms of concern from parents, carers, and professionals, as well as your own observations NICE CG128.