A pre-existing condition doesn't have to leave you uninsured abroad — but the waiver that covers it comes with strict timing rules you need to know.
How does the pre-existing condition waiver work?
By default, travel insurance excludes claims tied to pre-existing conditions — any illness or injury you received treatment for, or had symptoms of, during a 'look-back' period (often 60–180 days) before buying. A pre-existing condition waiver removes that exclusion, but you must usually buy it within 14–21 days of your first trip deposit, be medically stable when you buy, and insure your full prepaid non-refundable trip cost. Once the waiver is in place, a flare-up of your condition during the trip can be covered. Missing the purchase window is the most common reason seniors lose this protection. Call 1-800-MEDIGAP at 1-800-633-4427 for help with the timing.
What counts as a pre-existing condition?
Insurers look back over a defined period before your purchase date and treat any condition that was diagnosed, treated, or showed symptoms as pre-existing — common examples include heart disease, diabetes, COPD, and recent surgeries. A change in medication or dosage during the look-back can also disqualify the 'stable' requirement. Because definitions and look-back periods vary by carrier, read the policy's exact wording before buying. If you have a complex health history, comparing plans and confirming the waiver terms with a licensed specialist protects you from a denied claim later. Our team can walk you through the fine print.