Introduction
When you start working in Switzerland while living in France, one of the first decisions to make is not a banking one, nor a tax one, nor even a practical one.
It concerns a subject that is both essential and often poorly understood: health insurance. And more precisely, what is known as the right of option.
This choice, which sets the French CMU scheme against the Swiss LAMal scheme, is much more than a form to sign. It is irreversible – except in the case of a change of status or an exceptional situation – and it has lasting consequences for your health protection, your finances and your future flexibility.
Should you favour the security of the French system or access to the Swiss system? Which is more advantageous given your family profile and your income level? In this article, we help you make an informed decision, far from received ideas.
What is the right of option?
The right of option is a mechanism provided for by the bilateral agreements between Switzerland and France. It allows any employee or self-employed person living in France and working in Switzerland to choose the health insurance scheme they want to be affiliated to.
This choice must be exercised within a strict deadline of 3 months from the start of activity in Switzerland. After that deadline, and in the absence of an explicit step, you will be affiliated by default to the Swiss LAMal.
In practice, two options are open to you:
- Cross-border LAMal: this is Swiss health insurance, offered in the form of specific contracts for cross-border workers.
- Cross-border CMU: this is the French scheme, in the form of a contribution to the URSSAF and affiliation to the CNTFS and CPAM.
This choice is final, except in specific cases (loss of employment, return to France, change of residence, moving into retirement, and so on).
Cross-border LAMal: the Swiss insurance suited to cross-border workers
The LAMal makes it possible to have cover in both countries (France and Switzerland), provided you take out suitable top-up health cover for care in France.
How it works
- Affiliation with an approved Swiss insurer (e.g. Helsana, Groupe Mutuel).
- Cover for care in France and in Switzerland, with the possibility of choosing where to be treated.
- When you go for treatment in Switzerland, an annual deductible of 300 CHF per adult as well as a
capped 10% co-payment will be applied (max 700 CHF/year). > Example: care in Switzerland of 500 CHF, the reimbursement will therefore be: 500 - 300 (deductible) - 20 (10% co-payment on the remaining 200 CHF) = total reimbursement of 180 CHF. The annual deductible is reached, the next reimbursement will no longer have a deductible, but only the 10% co-payment up to the annual 700 CHF.
Advantages
- Access to the Swiss healthcare system is made easier, without restriction.
- The contribution is fixed per adult, regardless of income (around 220 to 280 CHF a month).
- If you return to Switzerland, joining the standard LAMal scheme is simpler.
Disadvantages
- The Swiss deductible is at your expense, which can lead to significant out-of-pocket costs in the event of care in
Switzerland.
- The rate applies to each adult, which can be a disadvantage for large families.
- Top-up health cover is necessary in France, because the LAMal alone does not reimburse according to
French standards.
Cross-border CMU: the French scheme, the default but not always the best
The CMU (Couverture Maladie Universelle) for cross-border workers provides cover exclusively in France, according to the rules of the Sécurité sociale.
How it works
- Contribution to the URSSAF, calculated on the basis of the N-2 reference tax income.
- Affiliation to the CNTFS (CPAM), like any French insured person.
- Cover for care according to the scales and conditions of the general scheme.
Advantages
- Simplified administration on the French side.
- Dependent children are covered with no additional contribution.
- Access to support schemes such as the CSS or 100% cover for certain long-term conditions (ALD).
Disadvantages
- The contribution is proportional to income: 8% after allowance, which can become very expensive for high earners.
- No direct cover for care in Switzerland, except in an emergency.
- Little flexibility or personalisation in how the cover is managed.
In short: a strategic choice, not an administrative one
The following table gives a first comparison:
In plain terms, the LAMal is often more advantageous for single people or high-income households, while the CMU can suit large families or more modest incomes. But it also depends on your care habits, your life plans and your career prospects.
| Criterion | Cross-border LAMal | Cross-border CMU |
|---|---|---|
| Basis of calculation of the contribution | Flat rate per person (children too) | 8% of N-2 tax income |
| Geographical cover | France + Switzerland | France only (apart from emergencies) |
| Care in Switzerland | Reimbursed | Very limited |
| Care in France | Through top-up cover | Cover by the French system |
| Main advantage | Cost control for high earners | Better cover for modest families |
Need personalised support?
At WYP Consulting, we help you to:
- Precisely calculate the comparative cost of the CMU and the LAMal according to your income, your family situation and your life plans
- Identify the long-term impacts: care in Switzerland, taxation, retirement, mobility
- Secure your option form so as to avoid any irreversible error
- Put in place top-up health cover suited to your scheme
Book an appointment with a WYP Consulting adviser
Free, fast and confidential review.
