Deductibles and Co-Insurance Explained, With a Worked Example
“My new job has benefits” sounds like a solved problem to someone coming from a South African medical aid system. What actually closes the gap between what people expect and what the plan pays is having deductibles and co-insurance explained with examples, rather than trusting the brochure summary — and that gap is where most of the disappointment happens.
The myth: benefits mean it’s covered
Canada’s public health system pays for doctor visits and hospital care. It generally doesn’t pay for dental, vision, prescription drugs outside hospital, or physiotherapy and psychology, which is why most working Canadians rely on an employer’s extended health benefits plan to cover that gap. “I have benefits” doesn’t mean everything in that gap is paid at 100%.
Deductibles: the part you pay before the plan starts
A deductible is an amount you pay yourself before the insurer contributes anything for that category of claim, in a given year. Some employer plans have no deductible at all for basic coverage; others apply one per person or per family, reset annually. Check your specific plan document rather than assuming — deductible structures vary enormously between employers, and a plan with no deductible on drugs might still have one on paramedical services like physiotherapy.
Eighty percent reimbursement, how it works
Once the deductible is cleared, most plans don’t pay the remaining bill in full — they pay a percentage, and you pay the rest. This is co-insurance. A commonly seen structure in Canadian group plans reimburses a portion of eligible costs — often quoted around 80% for prescription drugs, with the employee covering the remainder — but this varies by plan and by category, and some employers set richer or thinner splits than that. Treat any specific percentage as something to confirm on your own plan’s summary, since it varies too much to state as a universal rule.
The ceiling nobody reads until it matters
Many plans cap what they’ll pay per person, per category, per year — often several separate caps: one for paramedical services combined or split individually, one for vision, sometimes a modest one for psychology specifically. It’s common enough that a psychology cap runs out mid year on weekly sessions that it’s worth checking early, particularly if ongoing mental health support is part of your plan for the first year.
A worked example
Reading a per category maximum benefits plan Canada employers issue is easiest with real numbers attached. Say a family’s plan has a $50 annual deductible per person for paramedical, 80% co-insurance after that, and a $500 annual maximum per person for physiotherapy. A parent needing $1,200 of physiotherapy in a year pays the first $50, the plan pays 80% of costs up to the point the $500 maximum is reached, and everything above that ceiling comes out of pocket regardless of the co-insurance percentage. The number on the plan brochure — “physiotherapy covered” — turns out to mean something much narrower once you run an actual bill through it.
What this means practically
Get your plan’s actual benefits booklet in your first week at a new job, before you actually need it. Read the per-category maximums specifically as well as the headline percentage. It’s the single most useful ten minutes you can spend.
Weighing Canadian benefits vs SA medical aid value is a different comparison than most newcomers expect walking in — Canadian coverage is narrower and more conditional in places and broader in others, and the only way to know which is which is to read your own plan’s fine print rather than assume either system.
For a broader comparison of how Canadian coverage stacks up against what South Africans are used to from medical aid, our What It Really Costs guide covers healthcare as one line in a fuller budget picture.