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Autism and ADHD Pathway

What you can expect when going through the Autism and/or ADHD Assessment Pathway

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Part of
Autism and ADHD Pathway

What you can expect when going through the Autism and/or ADHD Assessment Pathway


In Somerset, we aim to meet the identified needs of children and young people, irrespective of their diagnosis.

Private assessments will be considered on a case-by-case basis.

There is no reason why a diagnosis should be ignored simply because it was obtained privately. However, private assessment processes and diagnoses should meet the same standards as those expected of the NHS.

If an assessment completed by a privately funded provider or practitioner complies with National Institute of Clinical Excellence (NICE) guidelines, then it should be considered equivalent to an NHS assessment and should be treated as such. NICE guidelines can be found here:

It is important to note that not all assessments carried out privately meet the above criteria. Please check before proceeding with any private assessment that it will meet the necessary standards:

  • Autism assessments must be conducted by a multidisciplinary team of appropriately trained and qualified clinicians. In practice, this means that at least two clinicians from different professional backgrounds must be directly involved in the assessment. This may be a Practitioner Psychologist (Clinical or Educational), Paediatrician, Psychiatrist, Speech and Language Therapist, or Occupational Therapist.
  • Whilst it is often beneficial for ADHD assessments to be conducted by a multidisciplinary team, this is not essential as one appropriately trained and qualified clinician is considered sufficient for the diagnosis of ADHD.
  • The clinician(s) involved in an Autism or ADHD assessment must be registered with an appropriate professional body [e.g. Health and Care Professions Council (HCPC) or General Medical Council (GMC)].
  • All Autism and ADHD assessments must gather a comprehensive history of general development. This must have included gathering information about biological, social, environmental and psychological factors that might have impacted the young person’s development.
  • All Autism and ADHD assessments must have gathered information from multiple sources about a young person’s possible areas of difference across their lifespan. This should involve in-depth discussions with the young person if they are able to engage in these conversations, in addition to their parent carer and others who know the young person well (e.g. teachers, practitioners from other settings, other key people in the young person’s life).
  • All Autism and ADHD assessments must have involved at least some interactional and/or observational assessment with the young person directly. Whilst this can in some circumstances be via online video assessment, information from other sources must be sufficient to compensate for this.
  • Any appropriate alternative or additional explanations for a young person’s experiences or areas of difference have been adequately considered and assessed. This might include considering whether a young person’s needs are better understood in terms of other diagnoses including a Learning Disability Developmental Language Disorder, or Fetal Alcohol Spectrum Disorder.
  • It might also include considering whether a young person’s experiences may be better understood as a response to difficult or traumatic life events, a mental health concern, relational or attachment-based concerns, or developmental trauma. It is important to remember that young people with needs relating to these areas can appear similar to those who are Autistic or have ADHD.

Our local process for accepting a private diagnosis is:

  • Private reports should be sent to
  • The report will be reviewed by the appropriate clinicians to ascertain if it meets the criteria mentioned above.
  • If the report meets the necessary standards, the young person is moved on to our post-assessment pathway
  • If it does not, the young person can access the assessment via the Somerset assessment pathway.

Last reviewed: March 21, 2024 by Gemma

Next review due: September 21, 2024

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