Extended Health Benefits Denied in Canada? How to Appeal Your Employer Plan

Extended health benefits (EHBs) — sometimes called extended health care (EHC) benefits — are employer-sponsored supplemental health insurance plans that cover services not included in provincial health plans. These typically include prescription drugs, dental care, vision care, paramedical services (physiotherapy, chiropractic, massage therapy, psychology), and private hospital rooms.

EHBs are a critical part of the Canadian employee benefits landscape, covering millions of workers through group insurance plans. When a claim is denied, employees often feel powerless — but there are clear avenues to challenge unfair denials.

What Extended Health Benefits Cover

A typical Canadian EHB plan includes:

• Prescription drugs — subject to a drug formulary (list of covered medications) and dispensing fee limits
• Dental — basic (cleanings, fillings), major (crowns, bridges), orthodontics (on comprehensive plans)
• Vision — frames, lenses, contact lenses (typically every 24 months)
• Paramedical services — physiotherapy, chiropractic, massage therapy, psychology, podiatry, occupational therapy, speech therapy, naturopathy
• Private or semi-private hospital room upgrade
• Travel emergency medical insurance (on many plans)
• Medical equipment and supplies — braces, orthotics, crutches, diabetic supplies

Common Reasons EHB Claims Are Denied

Drug Not on the Formulary

Insurers maintain a drug formulary — a list of approved medications. If your prescription is not on the formulary, or is on a non-preferred tier, your claim may be reduced or denied. Common situations:

• A new biologic or specialty drug not yet listed on the insurer's formulary
• A drug prescribed for an off-label use
• A generic equivalent exists and the brand-name version is not covered without a dispense-as-written (DAW) override
• The plan has a prior authorisation requirement for certain drugs (e.g., high-cost biologics)

Annual Benefit Limit Exceeded

EHB plans impose annual or per-visit limits for paramedical services. For example, a plan may cover $500/year for physiotherapy. Once the limit is reached, further claims in the benefit year are denied.

Service Not Covered Under the Plan

The plan may not cover certain services at all — for example, naturopathy, massage therapy, or out-of-country treatment may be excluded or limited on some group plans.

Provider Not Recognised

The treating provider may not hold the required professional licence or designation for the claim to be approved. For example, massage therapy claims may require the therapist to be a Registered Massage Therapist (RMT); physiotherapy claims may require a registered physiotherapist.

Pre-existing Condition Exclusions (Late Enrolment)

Employees who do not enrol in the group plan within a specified period after becoming eligible (typically 31 days) may be subject to late enrolment provisions — meaning pre-existing conditions may be excluded for a defined period.

Coordination of Benefits (COB) Disputes

If you have coverage under more than one group plan (e.g., your employer's plan and your spouse's employer's plan), claims are coordinated. Disputes arise about which plan is primary and which is secondary, and about the calculation of benefits.

How to Appeal a Denied EHB Claim

Step 1: Get the Denial in Writing

Contact the insurer (or your HR department if the plan is administered internally) and request a written denial specifying the exact reason.

Step 2: Review Your Plan Booklet

Your group plan booklet (Certificate of Insurance or Plan Summary) contains the full terms. Check:

• The drug formulary (often available separately online)
• Annual limits for the relevant service category
• The list of eligible providers
• Pre-authorisation requirements for drugs or services

Step 3: Internal Appeal

Submit a formal appeal to the insurer. For drug denials, include:

• A letter from your physician or specialist explaining why the denied drug is medically necessary and why alternatives are unsuitable
• Clinical evidence or published guidelines supporting the prescribed drug
• Request for a formulary exception if the drug is not listed

For paramedical denials, confirm the provider is properly registered and ask the insurer to confirm the specific limit applied.

Step 4: Group Insurance OmbudService (GIO)

For unresolved group benefit disputes in Canada, the Group Insurance OmbudService (GIO) is the appropriate avenue (not the OLHI, which handles individual policies). The GIO is a free dispute resolution service for group insurance disputes.

Contact GIO through clhia.ca or the individual insurer's complaint escalation process.

Step 5: Provincial Regulator

File a complaint with the provincial insurance regulator (FSRA in Ontario, AMF in Quebec, BCFSA in BC) if the insurer has violated regulatory requirements.

Special Considerations: Drug Prior Authorisation

Many Canadian group plans require prior authorisation for high-cost specialty and biologic drugs. If your drug requires prior authorisation and was denied:

• Ask your physician to submit a prior authorisation request with clinical justification
• Request the insurer's clinical criteria for prior authorisation approval
• If denied after prior authorisation, appeal with stronger clinical evidence

Fight Back With ClaimBack

ClaimBack helps Canadian employees challenge denied extended health benefit claims with professional appeal letters, drug prior authorisation requests, and GIO complaint submissions.

Start your EHB appeal with ClaimBack

Related Reading

• How to Write an Insurance Appeal Letter
• What Is Medical Necessity in Insurance?
• Common Reasons Insurance Claims Are Denied