What Does International Health Insurance Not Cover?

International health insurance can cover a lot: hospital stays, surgery, cancer treatment, evacuation and, on better plans, outpatient care, dental and maternity. But every policy has exclusions, limits and conditions, and they are where most claim disputes start.

This guide lists the exclusions and limits you will find in most international health insurance policies, explains how pre-existing conditions are handled and shows how to find the gaps in your own policy before they surprise you.

The short answer

The most common exclusions and limits are:

• pre-existing conditions (excluded, or covered only after conditions are met);
• waiting periods, especially for maternity and dental;
• routine care on hospital-only plans;
• cosmetic, experimental and elective treatment;
• care outside your coverage area, notably the US;
• injuries from excluded activities and from alcohol or drug use;
• treatment without pre-authorisation when it was required;
• sub-limits that cap certain benefits well below the overall limit.

1. Pre-existing conditions

A pre-existing condition is generally a condition you had symptoms of, were treated for or sought advice about before the policy started. Policies handle them in three main ways:

Approach	How it works	What it means for you
Full medical underwriting	You complete a detailed health questionnaire. The insurer accepts, excludes specific conditions or adjusts the price.	You know exactly what is excluded from day one.
Moratorium	No questionnaire. Conditions from a set period before joining are excluded, but may become covered after a set period without symptoms, treatment or advice.	Simpler to join, but less certain at claim time.
Excluded entirely	Common on travel and nomad products. Only sudden, acute flare-ups may be covered.	Not suitable if you have an ongoing condition.

Always disclose fully and accurately. Non-disclosure can lead to refused claims or cancelled policies.

2. Waiting periods

Some benefits only start after you have held the policy for a while. Typical examples are maternity (often around 10 to 12 months), dental and sometimes wellness benefits. If you plan a pregnancy, check this before you buy.

3. Routine and preventive care

Hospital-only (inpatient) plans usually do not cover GP visits, routine tests, vaccinations, check-ups, eye tests or prescription glasses. Even comprehensive plans may cap these with sub-limits.

4. Cosmetic, elective and experimental treatment

Commonly excluded:

• cosmetic surgery, unless reconstructive after a covered accident or illness;
• treatment that is not medically necessary;
• experimental or unproven treatments and drugs not approved in the relevant country;
• fertility treatment, unless specifically included;
• weight loss treatment, unless medically necessary and included.

5. Care outside your coverage area

If your plan is “worldwide excluding the US”, treatment in the US is usually not covered, or only emergencies during short trips. Regional plans exclude other regions. Check your plan’s rules for travel outside the area and for your home country.

6. Activities, behaviour and circumstances

Usually excluded or limited:

• hazardous sports such as motor racing, extreme mountaineering or certain diving depths;
• riding a motorbike without a licence or helmet;
• injuries while under the influence of alcohol or drugs;
• self-inflicted injuries, with varying rules on mental health;
• war, civil unrest and terrorism, sometimes with exceptions if you were not taking part;
• travelling against official government advice;
• professional sports.

7. Process requirements

Some refusals are not about the treatment but the process:

• pre-authorisation not obtained for a planned hospital stay or expensive scan when the policy required it;
• using a non-network provider on plans that require network hospitals;
• claims submitted too late;
• missing documents, such as an itemised invoice or medical report.

These are avoidable. See how to make an insurance claim abroad.

8. Sub-limits: the hidden exclusions

A policy can have a high overall limit and still cap specific benefits low. Common sub-limits:

• outpatient care, physiotherapy and alternative therapies;
• psychiatric and mental health treatment;
• maternity and newborn care;
• dental treatment;
• evacuation and repatriation;
• organ transplants and certain cancer treatments.

A sub-limit is effectively a partial exclusion once you reach it.

9. Other common exclusions

• Chronic condition management on some plans, especially after a set time.
• HIV/AIDS-related treatment on some older or basic policies.
• Hearing aids, glasses and contact lenses unless included.
• Non-medical costs: travel for family members, accommodation, lost income, unless specifically included.

How to find the gaps in your own policy

1. Download the full policy wording and the benefit table, not just the summary.
2. Search the wording for “exclusion”, “not covered”, “pre-existing”, “waiting period”, “pre-authorisation” and “sub-limit”.
3. List your likely needs for the next year and check each against the table.
4. Ask the insurer in writing about anything unclear, and keep the answer.
5. Compare before renewal. See how to compare expat health insurance plans.

Frequently asked questions

Does international health insurance cover pre-existing conditions?

Sometimes. With full medical underwriting they may be covered, excluded or covered at a higher price. With a moratorium they may become covered after a symptom-free period. Basic products often exclude them completely.

Is maternity covered?

On many comprehensive plans, yes, usually after a waiting period of around 10 to 12 months and up to a sub-limit. Basic and nomad plans often exclude it.

Are emergencies always covered?

Genuine emergencies within your coverage area are usually covered, but exclusions such as alcohol-related injuries or excluded activities can still apply.

What happens if I travel to the US on a plan that excludes it?

Treatment there may not be covered at all, or only for limited emergencies during short trips, depending on the policy. Check before you travel.

Final thoughts

Exclusions are not a sign of a bad policy; every policy has them. The problem is discovering them when you claim. Read the exclusions and sub-limits before you buy, disclose your health history honestly, follow the pre-authorisation rules and ask the insurer in writing about anything unclear. For an overview of plan types, see best international health insurance for expats and nomads.

This article is general information, not insurance or medical advice. Policies vary by provider and change often. Information reviewed October 23, 2026.