Sub-threshold
An assessment can find real difficulties, yet still not enough to meet the line for a diagnosis. Sub-threshold means close to that line, not fine.
Applies across the UK
Sub-threshold Threshold The level of need a family must show before a service will step in. Most local areas set out their thresholds in a document you can ask to see. Read the full definition of Threshold , sometimes written below threshold Assessed but below clinical diagnosis One of the seven options we offer when we ask where you are in the diagnosis journey. Pick it if your child was assessed and the team decided the result was below the line for a diagnosis. Read the full definition of Assessed but below clinical diagnosis or subclinical, is how professionals describe significant traits that do not add up to a diagnosis under the criteria used. Report letters often phrase it as some features of a condition, or emerging traits.
It is one of the most common outcomes of a children's assessment, and one of the least explained. The line itself comes from fixed diagnostic criteria, and a child can sit below it at one age and meet it later, because demands grow as children get older and differences can become clearer.
What you can do next does not depend on crossing the line. Support at school is based on need, and in England a child can get SEN support SEN support The everyday help a school in England puts in place for a child with special educational needs. It is based on what your child needs, not on having a diagnosis. Read the full definition of SEN support with no diagnosis at all. You can ask the assessment team what they did find, what they recommend, and what would prompt them to look again. If the picture changes, you can ask for a re-referral re-referral Asking for your child to be referred again, later, when things have changed or new evidence has built up. A no now is not a no forever. Read the full definition of re-referral , and a second opinion is possible.
Related words
Where this comes from
- Children with special educational needs and disabilities (SEND): SEN support , GOV.UK. Checked 2026-08-15.
- How to get an autism assessment , NHS. Checked 2026-08-15.
Your child doesn't need a diagnosis to get support
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