What pet insurance covers — and what it doesn’t

Accidents and illnesses: the core

An accident-and-illness plan — the standard choice — covers the unexpected medical costs that make pet care expensive. That includes injuries like broken bones, bite wounds, and swallowed objects, and illnesses ranging from infections and ear problems to chronic conditions like diabetes, allergies, and cancer. In practice that means the diagnostics, surgery, hospitalization, and medications tied to a covered condition. Many plans also cover hereditary and congenital conditions, which matters for breeds prone to hip or heart problems — though it’s worth confirming on any specific plan.

What’s usually not covered

The big exclusion is pre-existing conditions — anything your pet showed signs of before coverage started (or during the waiting period) generally won’t be covered. This is the single most important thing to understand about pet insurance, and it’s why timing matters so much. Plans also typically exclude elective or cosmetic procedures, breeding costs, and sometimes the exam fee itself. Read the exclusions before you assume something’s covered.

Waiting periods

Coverage doesn’t start the moment you sign up. Most plans impose a short waiting period for accidents (often a few days), a longer one for illness (commonly around 14 days), and sometimes a much longer one — up to six months or more — for specific orthopedic conditions like cruciate-ligament injuries. Anything that arises during a waiting period is treated as pre-existing.

Wellness and routine-care add-ons

Routine care — annual exams, vaccines, dental cleaning, flea and tick prevention — usually isn’t part of the core plan. Many insurers offer it as an optional wellness add-on. It can smooth out predictable costs, but think of it as a budgeting tool rather than true insurance: you generally get back about what you pay in, minus the insurer’s cut.

The settings that shape a plan

Within a plan you choose three things: the reimbursement rate (often 70%, 80%, or 90% of the covered cost), the annual deductible you pay before reimbursement kicks in, and the annual limit the plan will pay (from a few thousand dollars up to unlimited). Higher reimbursement and limits with a lower deductible mean a higher premium — the levers you’ll weigh on the cost page.