Skip to main content
    Back to blogChronic Pain

    Fibromyalgia and Disability Insurance: Fighting an Invisible Condition

    Amir Mirza·February 2026·7 min read

    Disability Lawyer · Licensed in Ontario

    Last updated: February 2026

    There's no blood test for fibromyalgia — and insurers use that against you

    Fibromyalgia is a chronic pain condition characterized by widespread musculoskeletal pain, fatigue, sleep disturbances, and cognitive difficulties. It affects an estimated 2-4% of Canadians. Despite being recognized by the medical community as legitimate and disabling, insurance companies routinely deny fibromyalgia claims.

    How insurers deny fibromyalgia claims

    The most common tactics: "No objective findings" — fibromyalgia doesn't show up on blood tests or imaging. "Self-reported symptoms" — they dismiss your pain as subjective. Surveillance — they film you on a good day. Biased IMEs — their hired doctor minimizes your symptoms after a brief exam.

    What the law actually says

    Ontario courts have consistently recognized fibromyalgia as a legitimate, disabling condition — even without objective diagnostic testing. The legal standard is not whether your condition can be proven by a blood test. It's whether your symptoms prevent you from reliably performing the duties of your job.

    How we build fibromyalgia cases

    We prove fibromyalgia disability using: pain specialist and rheumatologist reports, functional capacity evaluations, detailed pain diaries, evidence of failed treatment attempts, psychological assessments showing pain's impact on cognition and mood, and independent medical reviews.

    Living with fibromyalgia and fighting a denial

    You're already exhausted. You're already in pain. The last thing you should have to do is become an expert in insurance law. That's our job. We handle the legal fight so you can focus on managing your condition.

    Denied long-term disability benefits?

    Get your free case review. No cost, no obligation.

    Talk to a Disability Lawyer