You can usually buy international health insurance when you already have a medical condition. What is far harder is getting that condition itself paid for, and the two are easy to confuse when a quote arrives. The choice in front of you is how each insurer proposes to handle your history, whether by leaving the condition out, charging more to include it, or disregarding it on a group scheme, and whether the policy is still worth its premium once you know. The FCA-authorised broker we introduce can take one medical history to several international insurers and set their terms side by side for you. Ask for that introduction on the form on this page; neither it nor the quotes cost anything.
How an international insurer treats a pre-existing condition is set in its own policy wording, and that differs from one insurer to the next. The clauses described below come from UK domestic policies, included where they bear on a move abroad; the rest is how the market generally works, and the terms that bind you are the ones in your own offer. Nor is there a price range: the indicative figures on other pages are for UK policies sitting on NHS entitlement, while international cover depends on your country of residence and the region the policy pays in.
Can I get international health insurance with a pre-existing condition?
Usually, yes, in the sense that an insurer will issue a policy to an expat, or anyone else living abroad, who declares a condition. An application from someone with asthma, a past back operation or well-controlled blood pressure is generally ordinary business, and the usual result is acceptance with the condition dealt with in some way. Outright refusal happens, typically where a condition is serious, current and expensive to treat, but it is the rarer outcome.
Whether the condition is covered is the separate question, and the answer is often not, or not on standard terms. Insurance pays for what might happen; a condition you already have is a cost the insurer can see before you sign, and it will generally price or exclude it accordingly. If what you need is cover for treatment you are already having, or expect to need soon, a new policy is unlikely to supply it, though it may still be worth having for everything else.
Why the same exclusion bites harder abroad
In the UK, a condition your private policy excludes falls back to the NHS; the private policy was always a layer on top. Living abroad removes that floor: if your international plan excludes your heart condition, the bill for treating it goes to you, or to a local public system if you are entitled to use one where you live. Whether you are is that country's rule, not the policy's; check it before you rely on it.
Free NHS hospital care on a visit home also turns on residence, and a permanent move can change it, as the page on international health insurance for UK citizens living abroad explains. So an exclusion abroad deserves more thought than the same exclusion at home: there may be nothing underneath it.
The underwriting routes, and what each does with a condition you already have
Underwriting is the step in which an insurer settles what to do about your medical past, and the route a quote is written on shapes the answer more than the brand on it. International insurers draw on much the same routes as UK ones, though not every insurer offers every route or names them alike. The table gives the general shape; any one policy's wording can depart from it.
| Route | What happens when you apply | What generally happens to your condition | What it means for someone living abroad |
|---|---|---|---|
| Full medical underwriting | A health questionnaire up front; your doctor may be asked for records | You learn before the policy starts whether it is accepted, excluded, covered for an extra premium, or a reason to decline you | Slower to arrange, but you know what is excluded before you move, not at your first claim |
| Moratorium | Few or no medical questions at the outset | Conditions from a set period before cover began are excluded automatically, and some may come into cover after a symptom-free stretch once you are a member | You discover what is covered only at claim time, a poor moment to learn it in another country; ask whether the insurer offers this route at all |
| Medical history disregarded | Usually no questions about your past at all | The scheme does not read your past to exclude anything; its other terms and exclusions still apply | Typically found on employer or group schemes and rarely sold to one person; ask what happens to it when the job or the assignment ends |
| Carried-over terms from a previous policy | Your existing exclusions are reviewed rather than started again | The new insurer may agree to keep the terms you already had, so something covered before stays covered | Whether an international insurer will do this for someone arriving from a UK policy depends on the insurer; get its answer in writing, or have a broker raise it for you free on the call-back |
The look-back and symptom-free periods a moratorium uses vary by insurer and are written into each policy, so take the numbers from your own offer, not from a website, this one included. What UK wordings do and do not say about those periods is worked through on our guide to UK cover with a pre-existing condition; bear in mind that those are UK products, not international ones.
Full medical underwriting is the route on which you learn the answer before money changes hands, and that matters more when a refused claim would leave you facing a foreign hospital bill. Whichever route you choose, know which one each quote uses: a quote with your condition excluded and one with it covered at a higher price are different products, not one product at two prices.
Standard terms, exclusion, loading or decline: reading the offer
On a fully underwritten application, the answer about your condition generally takes one of four forms, and each alters the policy's value to you.
- Standard terms. The condition is accepted with no special treatment. This tends to happen where the condition is minor or long resolved; keep the written confirmation.
- An exclusion. The policy is issued but will not pay for the named condition and, usually, anything the insurer regards as related to it, normally with no change to the premium. The question is how wide the exclusion is drawn: "diabetes" alone is one thing; "diabetes and any related condition" can reach a good deal further, and how far is for the insurer to say.
- A loading. The condition is covered, and the premium goes up to pay for that. Whether an insurer will offer this instead of an exclusion, and for which conditions, is for that insurer to say. For someone abroad with an ongoing condition and no public system behind them, it can decide whether the policy covers the thing most likely to need treatment.
- A decline. The insurer will not cover you at all. One insurer's decline is not every insurer's: their appetites differ, and a decline from one says little about the next.
Put these offers side by side and the cheapest quote is often the one with the widest exclusion. Comparing them means asking each insurer the same questions about the same history, then reading the exclusion wording rather than the price. A broker can collect those offers in writing from several international insurers so you can see how each would treat your condition before you choose. Request that comparison using the form on this page.
Leaving a UK policy behind: when a covered condition becomes a pre-existing one
This is the trap that catches people who move. Say a condition was diagnosed while you held a UK policy, and that policy has been paying for it. On the Aviva and AXA Health wordings below, cover stops at the border, or at most reaches emergency treatment on a trip, and an international insurer will see a condition you had before its own cover began. A new insurer generally assesses your history for itself, so something your old insurer was paying for can arrive on the new application as pre-existing, to be excluded or loaded like any other. Whether an international insurer would carry over your UK terms is the last row of the table above; ask before you cancel anything. The documents below were each read on 4 September 2026.
Aviva and AXA Health
Aviva's Healthier Solutions terms and conditions (April 2025 issue, page 24) pay for no treatment outside the UK; Aviva has since published a newer issue, dated March 2026, so check the clause against the version you are sent. AXA Health's Personal Health membership handbook (October 2024, page 30) excludes treatment outside the UK, the Channel Islands and the Isle of Man, and adds a second limb excluding treatment costs once you live outside the UK. Both clauses appear verbatim on the expat and international cover page. For someone with an ongoing condition, the AXA wording is the one to sit with. Taken at its word, and it is one clause from a long handbook, a member living abroad is not covered even for treatment back in the UK, so a condition being treated under that policy loses its cover on the move; what "live outside the UK" means in practice is for AXA to say.
If you came here for Aviva's or Vitality's pre-existing conditions terms, those belong with their UK products; the pages on Aviva's underwriting and Vitality's underwriting take them up.
WPA: does it cover pre-existing conditions?
The WPA document quoted here is its Complete Health IPID, dated November 2025, from the insurer's own site. An IPID is the short regulatory summary; the complete wording is in "A Guide to Your Policy". How WPA treats a condition you had before joining, which underwriting routes it offers, and whether it ever covers one depend on the full policy rather than the summary, so ask WPA, or let the broker who rings you back go through those points with you, free.
The nearest thing in that document is a deferment clause for the start of cover, quoted here because it is easy to mistake for a pre-existing conditions rule:
"A 14 day deferment period applies to any symptom(s) or condition(s), whether diagnosed or not, which arise in the first 14 days of your Policy commencing, unless declared to and accepted in writing by WPA."
— WPA, Private Medical Insurance — Insurance Product Information Document (Complete Health), November 2025, page 1, read 4 September 2026.
It is not one: it deals with what appears in the first fortnight of the policy, not with your history before it. Its closing words are the useful part. A new symptom in that window is deferred unless it has been declared and accepted in writing, so declaring it beats assuming it is covered.
The only overseas element in the same document is an optional emergency benefit for trips, counted in days, with an overall ceiling and the USA and winter sports resorts left out. It reads as cover for time away from a UK home, not for living elsewhere; the insurer-by-insurer comparison of overseas terms is on the cover while travelling page. Whether an emergency abroad arising from a condition excluded on the policy would be paid is not something the IPID settles, so ask in writing.
Pregnancy, chronic conditions and timing your application
Pregnancy and maternity
An international health insurance policy taken out during a pregnancy will generally treat that pregnancy as something that began before cover did. Maternity is generally an add-on, frequently with a wait before it pays, so adding it once a pregnancy is planned can already be late. Ask each insurer how its maternity waiting period runs and whether a newborn can be added from birth without medical questions. For how UK policies handle it, see private health insurance and pregnancy; an international policy sets its own maternity terms.
Chronic conditions: before and after you join
International plans often deal differently from UK ones with a chronic condition that first shows itself once you are a member, as the international cover guide describes. That difference concerns conditions that start during cover. A chronic condition you bring with you is pre-existing like any other, and goes through underwriting accordingly.
Why the date you apply matters
Every month before you apply is a month in which something new can enter your history. If you have a UK policy and plan to move, the UK cover may stop when you go, and anything diagnosed before the international policy starts is likely to count as pre-existing. Starting the international policy when the UK one ends keeps that window short. Ask the international insurer how far ahead of your move it will accept an application, and ask your UK insurer on what date its cover ends.
The same applies to anyone abroad thinking of switching international insurer to pay less: a condition your current policy covers because it arose during cover may arrive at the new one excluded. Get the new insurer's terms for it before you give notice on the old policy.
Seven questions to put to every international insurer about your condition
Ask these of each insurer, about the same history, and get the answers in writing. A quote that cannot answer them is not yet a quote you can compare.
- Which underwriting route is this quote written on? Full medical underwriting, a moratorium, a group basis, or carried-over terms.
- What exactly is excluded, in the words that will appear on my policy? The condition by name, and how far "related" reaches.
- Would you cover the condition for a higher premium instead of excluding it? If so, how much more, and is it the whole condition or part of it?
- Is the exclusion permanent, or can it be reviewed later? And if it can, after how long and on what evidence?
- Can new exclusions be added at renewal? For something that began while I was insured with you.
- Where does the policy pay, and does the area include the UK? An exclusion is one gap; an area of cover that leaves out where you would want treatment is another.
- If I am moving from another policy, will you honour the terms I already have? Name the condition, and ask for the answer before you cancel the old policy.
Alongside the questions, answer every question the insurer asks about your health in full, even about something minor or long past. A condition left off and discovered at claim time can cost you the claim, sometimes the policy, and you would find out in a hospital abroad. Keep copies of the written terms; they are what you will rely on if a claim is disputed.
Short answers on international cover and existing conditions
What is a good international health insurance policy for someone with a condition?
The one whose terms for your particular condition you can live with, which means it cannot be named before the offers are in. Insurers differ in how they underwrite the same history, so the useful comparison is of the exclusion and loading each one proposes, alongside the area of cover and limits. How to set up a fair comparison generally is on the best international health insurance: how to choose.
Can I buy international cover for an operation I already need?
Not in a way that pays for that operation, as a rule. Treatment you know you need when you apply relates to a condition you already have, which is precisely what underwriting is designed to catch. A policy bought now can still cover unrelated problems that arise later, but that procedure needs another way of being paid for.
Is there international cover for a trip, or for one, three or six months, if I have a condition?
Cover for a single trip or a few months is the territory of travel insurance rather than an annual international health plan. Travel insurers commonly ask you to declare medical conditions too, and may exclude one, charge more for it, or decline. International cover for travel is discussed on the international travel page.
I am a digital nomad or between countries. Does a condition make it harder?
It adds a second hurdle. International plans are written against a country of residence, which a nomad may not have, and your condition is underwritten on top of that. Make clear at the outset that no single country is home.
Do Genki, SwissCare, Manulife or Great Eastern cover pre-existing conditions?
That depends on each provider's own policy wording. The seven questions above work just as well put to any provider, whatever its name, and a broker can talk you through the answers at no charge once you have asked for a call-back.
If a condition has been clear for years, do I still need to mention it?
Answer what the application asks. Full medical underwriting questionnaires usually ask about a set period, and anything within it belongs on the application even if it seems settled. On a moratorium, whether an old condition is caught depends on the look-back period in that policy's wording, so read the wording rather than a rule of thumb.
Your next step: write down each condition you have or have had, roughly when it began and what treatment it has needed. Then put your destination on the form on this page and keep that list to hand, so that the broker can take the history to several international insurers and come back with each one's terms for it in writing.