For expats moving to Portugal, private health insurance is often one of the first practical questions. It can support a visa or residency process, give faster access to private hospitals and make day-to-day healthcare easier in English. The complication comes when you already have a diagnosed condition, previous surgery, ongoing medication or a medical history that insurers need to assess.

What counts as a pre-existing condition?

A pre-existing condition is usually any illness, injury, symptom, diagnosis or treatment that existed before the policy starts, even if it is stable or controlled. Examples include diabetes, hypertension, cancer history, heart conditions, autoimmune disease, mental health treatment, back problems and previous surgeries.

Possible insurer responses

Why full disclosure matters

It is risky to omit medical history because a future claim can trigger a review of earlier records. If the insurer finds that relevant information was not declared, the claim can be refused and the policy may be cancelled. Clear disclosure at the start gives you a realistic answer before you rely on the policy.

How expats should compare options

Do not compare only the monthly premium. Compare underwriting rules, hospitalisation limits, outpatient network, waiting periods, exclusions, age limits and whether the insurer gives written confirmation about the condition. Americans, British, French and German residents often arrive with different expectations from their home systems, so policy wording needs to be explained in practical terms.

Adler & Rochefort helps English-speaking clients present the case correctly, compare insurers and understand what is genuinely covered before applying.

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