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Diagnosis & Assessment

Diagnosis Letter

What does Diagnosis Letter mean?

A diagnosis letter is a document written and signed by a qualified professional — such as a pediatrician, psychologist, or psychiatrist — that formally confirms a child's diagnosis. It typically includes the child's name, the professional's credentials, the date, and a clear statement of the diagnosis. Families in Canada often need this letter as a starting point for accessing school supports, therapy services, and funding programs.

Why this term matters

Having a diagnosis letter on hand can make it easier to open doors to services, because schools, funding bodies, and community programs often ask for written confirmation of a child's diagnosis before reviewing an application or putting supports in place.

Canadian context

Requirements for what a diagnosis letter must include — and which professional is considered eligible to provide one — can vary by province or territory and by the specific program being applied to. It is always worth checking with the program administrator to confirm what they need before submitting.

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Related terms

This page is for general information only and is not medical, legal, tax, or financial advice. Program rules, eligibility, and funding amounts can change. Families should confirm details with the relevant government program, school board, regulated professional, or qualified advisor.

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