An autoimmune disease can qualify as a disability in Canada when fatigue, pain, inflammation, cognitive problems or other symptoms prevent you from performing your job safely, consistently and reliably.
Autoimmune diseases can affect the joints, muscles, skin, nervous system, digestive system and internal organs. Symptoms may be constant, or they may improve and worsen through unpredictable flare-ups.
A diagnosis alone does not automatically qualify you for disability benefits. The insurer must consider the combined effect of your symptoms, treatment side effects and functional limitations on your actual occupation.
If your short-term or long-term disability claim has been denied or cut off, the disability lawyers at Samfiru Tumarkin LLP can review the insurer’s decision during a free consultation.
On This Page:
- Is Autoimmune Disease a Disability?
- Qualifying Autoimmune Diseases
- How Symptoms Affect Work
- Disability Benefits
- Proving Your Claim
- Why Claims Are Denied
- Frequently Asked Questions
Is Autoimmune Disease Considered a Disability in Canada?
Yes. An autoimmune disease can be considered a disability when its symptoms substantially limit your ability to work or complete important daily activities.
An autoimmune disease develops when the immune system mistakenly attacks healthy cells, tissues or organs. The resulting symptoms depend on the condition and the parts of the body affected.
Possible disabling symptoms include:
-
Severe fatigue and reduced stamina
-
Joint pain, stiffness and swelling
-
Muscle weakness or reduced mobility
-
Memory, concentration or information-processing difficulties
-
Digestive symptoms and urgent bathroom needs
-
Skin symptoms, nerve pain or vision problems
-
Unpredictable flare-ups and recovery periods
Is Autoimmune Disease a Permanent Disability?
Many autoimmune diseases are long-term conditions, but their severity, treatment and effect on work differ from person to person.
Some people experience long periods of remission. Others continue to have recurring flare-ups or lasting functional limitations despite treatment.
You do not have to prove that you will be unable to work forever. You may qualify for disability benefits for as long as your condition prevents you from working under the terms of your insurance policy.
Can an Episodic Autoimmune Disease Be a Disability?
Yes. A condition may be disabling even if symptoms improve between flare-ups.
The insurer should consider whether unpredictable symptoms prevent regular attendance and reliable performance over time—not only how you functioned on a better day.
Which Autoimmune Diseases Can Qualify for Disability?
Any autoimmune disease may potentially qualify for disability benefits if it prevents you from meeting the applicable definition of disability.
Examples include:
-
Multiple sclerosis and other immune-mediated neurological conditions
-
Psoriasis and psoriatic arthritis
-
Crohn’s disease and ulcerative colitis
-
Celiac disease
-
Type 1 diabetes
-
Hashimoto’s disease and Graves’ disease
-
Scleroderma, Sjögren’s syndrome and mixed connective tissue disease
This is not a complete list. Eligibility is not determined by whether your diagnosis appears on an insurer’s approved list.
Do Some Autoimmune Diseases Qualify More Easily?
There is no single autoimmune condition that automatically qualifies for private disability benefits.
A person with a condition described as mild may have serious work limitations, while someone with a traditionally severe diagnosis may remain capable of working.
The decision should focus on your individual symptoms, functional restrictions and occupation.
How Can Autoimmune Disease Affect Your Ability to Work?
Autoimmune diseases can interfere with physical, sedentary and professional work. Several symptoms may combine to make employment unsustainable.
Fatigue and Reduced Stamina
Autoimmune fatigue may be more severe than ordinary tiredness and may not improve with rest.
You may be able to complete a short activity but require significant recovery afterward. Your energy and concentration may also decline as the day progresses.
Pain, Stiffness and Mobility Problems
Joint and muscle symptoms may interfere with sitting, standing, walking, lifting, typing or using tools.
These restrictions may prevent physical work and also make prolonged desk work difficult.
Brain Fog and Cognitive Symptoms
Some autoimmune conditions can affect memory, concentration, communication and the speed at which you process information.
These symptoms may make it difficult to meet deadlines, manage complex tasks, learn new procedures or complete work accurately.
Unpredictable Flare-Ups
Symptoms may worsen suddenly and require time away from work, changes in treatment or significant recovery.
Even if you can work between flare-ups, unpredictable absences may prevent you from maintaining reliable employment.
Treatment Side Effects
Medication may reduce inflammation or control disease activity without restoring your full work capacity.
Treatment may also cause fatigue, dizziness, nausea, headaches, increased infection risk or cognitive difficulties. The insurer should consider the effect of both the disease and its treatment.
Can You Perform Sedentary or Remote Work?
An insurer may argue that you can perform office or remote work because you can sit or use a computer.
However, sedentary work still requires concentration, regular attendance, communication and consistent productivity.
Pain, fatigue, digestive symptoms, brain fog and the need for frequent rest may prevent you from sustaining these requirements.
Can You Get Disability Benefits for Autoimmune Disease?
You may qualify for disability benefits if your autoimmune disease prevents you from completing the essential duties of your job.
The eligibility test depends on the benefit program and the wording of your plan.
Short-Term Disability Benefits
Short-term disability benefits may replace part of your income during a severe flare-up, treatment change or temporary medical leave.
Your insurer may ask your doctor or specialist to explain your symptoms, restrictions, treatment and expected recovery.
Long-Term Disability Benefits
Long-term disability benefits may become available when your symptoms continue beyond the short-term disability period.
Many LTD policies initially consider whether you can perform your own occupation. After a set period, commonly two years, the insurer may consider whether you can perform another suitable occupation.
The insurer should consider whether you can realistically sustain another job given your complete medical condition, education, training and work experience.
CPP Disability Benefits
You may qualify for CPP Disability benefits if your complete medical condition regularly prevents you from performing substantially gainful work.
Your disability must generally be long-term or indefinite, and you must have made enough valid CPP contributions.
Service Canada should consider all your medical conditions together rather than assessing each diagnosis separately.
Disability Tax Credit
An autoimmune disease may qualify for the Disability Tax Credit when it causes a severe and prolonged restriction in an eligible everyday activity.
Eligibility is based on functional limitations—not the diagnosis or inability to work alone. The DTC is a tax credit rather than monthly income replacement.
How Do You Prove an Autoimmune Disease Disability Claim?
A strong claim should explain how your symptoms affect your actual ability to function and work. A diagnosis or abnormal test result may not provide enough information on its own.
Helpful evidence may include:
-
Medical records from your family doctor and relevant specialists
-
Bloodwork, imaging and other relevant test results
-
The frequency, duration and effect of flare-ups
-
Specific physical, cognitive and stamina restrictions
-
Your treatment history and medication side effects
-
A detailed description of your occupation
-
Workplace accommodations and failed return-to-work attempts
Document Your Better and Worse Days
Keep a record of when symptoms worsen, what activities trigger them and how much recovery time you require.
Explain whether you can repeat an activity throughout the day or only perform it once before needing to rest.
Explain Invisible Symptoms
Fatigue, pain, brain fog and digestive urgency may not be obvious during a short medical assessment.
Tell your doctors how these symptoms affect your concentration, attendance, pace and ability to complete specific duties.
Address Your Complete Medical Condition
Many people live with more than one diagnosis. Your claim should address the combined effect of every condition affecting your work capacity.
This may include arthritis, chronic pain, anxiety, depression, sleep problems or complications affecting other organs.
Why Do Insurers Deny Autoimmune Disease Disability Claims?
An insurer may accept that you have an autoimmune disease but argue that the evidence does not prove you are unable to work.
Common denial reasons include:
-
Bloodwork or imaging appears stable
-
Your symptoms improve between flare-ups
-
Fatigue, pain or brain fog are described as subjective
-
Your medical records do not clearly explain your work restrictions
-
The insurer says treatment should control your condition
-
The insurer says you can perform sedentary or remote work
The Insurer Says Your Condition Is Stable
Stable testing does not necessarily mean that your symptoms or functional limitations have resolved.
You may continue to experience severe fatigue, pain, weakness or cognitive difficulties despite improved disease markers.
The Insurer Focuses on a Better Day
Occasionally shopping, driving, exercising or attending an appointment does not prove that you can maintain a full-time work schedule.
The insurer should consider the frequency of your difficult days, your recovery needs and whether you can function predictably over time.
Your Benefits Are Cut Off After Two Years
Many LTD policies change their definition of disability after approximately two years.
The insurer may accept that you can’t perform your previous occupation but argue that you can work elsewhere.
It should consider whether the proposed job is genuinely suitable and whether you can perform it consistently given your complete medical condition.
What Should You Do After a Denial?
Read and save the denial letter, continue receiving appropriate medical care and request a complete copy of your disability policy.
Keep your medical reports, test results, symptom records and communications with the insurer. Do not return to work against your doctor’s advice.
Speak with a disability lawyer before filing an internal appeal. The same insurance company that denied your claim will review the appeal, and important legal deadlines may continue to run.
Learn more about what to do when your long-term disability claim is denied.
Frequently Asked Questions About Autoimmune Disease and Disability
Is autoimmune disease considered a disability?
An autoimmune disease can be considered a disability when its symptoms substantially affect your ability to work or complete important daily activities.
Which autoimmune diseases qualify for disability?
Any autoimmune disease may qualify if it prevents you from meeting the applicable definition of disability. Eligibility is based on functional limitations rather than a fixed list of diagnoses.
Can you get long-term disability for autoimmune disease?
You may qualify for LTD benefits when fatigue, pain, cognitive problems or other symptoms prevent you from performing your occupation or another suitable occupation.
Can you qualify if your symptoms come and go?
Yes. The insurer should consider whether unpredictable flare-ups prevent reliable attendance and sustained performance over time.
Can you qualify if your bloodwork is normal?
Potentially. Test results are only one part of the claim. Your insurer should also consider your symptoms, functional restrictions and response to treatment.
Can autoimmune disease qualify for CPP Disability?
It may qualify when your complete medical condition regularly prevents substantially gainful work, is long-term or indefinite and you have made enough valid CPP contributions.
Should you appeal a denied autoimmune disease claim?
Do not assume an internal appeal is the best option. The same insurer that denied your claim will review it. Speak with a disability lawyer before proceeding.
Get Help With a Denied Autoimmune Disease Disability Claim
Living with unpredictable pain, fatigue and flare-ups is difficult enough. Fighting with an insurance company can add financial and emotional stress.
Samfiru Tumarkin LLP represents people with denied and terminated disability claims throughout Canada, excluding Quebec.
Our disability lawyers can review your insurance policy, medical evidence and denial letter and explain the options available.
Contact us for a free consultation if your short-term or long-term disability claim has been denied or cut off.