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Condition Guide

Brain Injury and the Disability Tax Credit in Canada

Some Canadians living with Brain Injury may be eligible for the Disability Tax Credit if the condition creates severe and prolonged restrictions that match CRA criteria.

A diagnosis alone is not enough. The CRA generally focuses on the effects of the impairment, not only the medical label. That means two people with the same diagnosis can have different outcomes depending on daily impact, documentation, and medical certification.

Plain-English rule: the question is not “Do I have Brain Injury?” The better question is “Does Brain Injury substantially restrict everyday life in a severe and prolonged way?”

How Brain Injury may connect to the DTC

Brain Injury may be relevant to a DTC review where it affects mental functions, walking, speaking, or cumulative limitations or creates a cumulative effect across more than one area of daily living.

  • Memory, attention, judgment, communication, mobility, and safety.
  • Daily routines taking much longer or requiring support.
  • Long-term impairment after injury.

Examples of situations worth reviewing

  • Someone needing reminders and supervision for daily tasks.
  • A person with cognitive and physical limitations affecting independence.

These examples do not guarantee eligibility. They are meant to show the type of daily-life impact that may make a professional review worthwhile.

What a reviewer may ask about

QuestionWhy it matters
How long has the impairment lasted?The DTC generally looks at severe and prolonged impairment, not a short-term issue.
What daily activities are affected?The CRA categories focus on functioning, not only diagnosis.
What treatment, therapy, or supports are used?Limitations are often assessed even after appropriate treatment, medication, devices, or support.
Has a medical practitioner documented the impairment?A qualified practitioner must certify the relevant parts of the DTC form.

Common misconception

Many people assume that only visible physical disabilities can qualify. That is not accurate. Mental functions, life-sustaining therapy, sensory impairments, mobility, and cumulative limitations may all be relevant depending on the facts.

Next step

If you are unsure whether Brain Injury may support a DTC review, you can request a free review. Submitting the form does not mean you qualify and does not require you to proceed.

Request a free DTC review

We will not promise approval. We will help route your request for review if appropriate.

Related pages

Official reference point: CRA guidance explains that DTC eligibility is based on the effects of an impairment and certification by a medical practitioner. This page is general information only.