An employee who changes employers loses their collective health insurance after twelve months of portability. A newly self-employed person often has no supplementary coverage. In both cases, the reflex is to compare prices, while the real issue lies elsewhere: understanding what a contract is entitled to reimburse, and what it will never cover, regardless of its price.
Responsible contract and out-of-pocket expenses: the framework that conditions the entire choice
Almost all health insurance policies marketed today are responsible contracts. This label imposes minimum and maximum guarantee levels, but above all, it provides access to the 100% health system in optics, dental care, and audiology.
Choosing an offer outside this framework means losing access to baskets with no out-of-pocket expenses. Before looking at the displayed reimbursement levels, it is essential to check that the contract is labeled “responsible.”
The other direct consequence, often overlooked: a responsible contract prohibits the coverage of certain expenses. A flat fee of one euro per consultation, medical deductibles on medications and transportation, surcharges applied when consulting outside coordinated care pathways, all of this remains the insured person’s responsibility. No responsible mutual insurance can reimburse these amounts, even if its salesperson claims otherwise.
A clear overview of market offers can be found on comparsante.fr, allowing for quick filtering of responsible contracts based on priority spending categories.
Transfer of costs to supplementary insurance: what changes concretely
Decrees published in the Official Journal on August 22, 2026, have lowered several reimbursement rates from Health Insurance. Dental care, medical devices, certain medications with low or moderate medical benefit, and medical transportation are affected.
In practice, this means that the share paid by supplementary insurance mechanically increases. For the same level of care, the mutual absorbs a heavier burden. Insurers pass on this increase in two ways: raising premiums or reducing guarantees on other items.
This transfer changes the selection logic. Comparing two contracts solely based on their monthly premium no longer makes sense if one has already integrated the increase and the other has not yet. It is necessary to check the date of the last update of the guarantee tables and ensure that the displayed reimbursement rates take into account the new Social Security scale.
Health insurance: spending categories to balance according to your situation
Comparators list dozens of guarantees. One ends up facing an unreadable reimbursement table, with percentages expressed based on the Social Security reimbursement base or in euros, lacking consistency from one insurer to another. To gain clarity, it is better to reason by actual spending category.
Optics, dental care, and audiology: is the 100% health system sufficient?
The 100% health basket covers equipment with no out-of-pocket expenses, but the choice is limited. In optics, the frames in the basket are capped at a certain price, and the catalog of lenses remains basic. In dental care, the crowns and bridges in the basket use standard materials.
If one wants high-end progressive lenses or a ceramic-ceramic crown on a visible tooth, a higher level of guarantees than the regulated basket is necessary. It is on these excesses that the real difference between two contracts is made.
Hospitalization: the forgotten variable
A private room in a clinic can represent a significant daily extra cost. Many entry-level contracts only cover a low daily flat rate, or even nothing at all. For a person over fifty or with regular medical follow-up, hospitalization coverage deserves as much attention as optics.
Alternative medicine and prevention
Osteopathy, psychology, dietetics: these consultations are not reimbursed by Health Insurance. Feedback on this point varies by contract, with some offering a reasonable annual flat rate, while others provide a symbolic amount. One should check the number of covered sessions and the limit per act, not just the total amount displayed.
Reading a guarantee table without making mistakes
Insurers express reimbursements in three different ways, making direct comparison almost impossible without a method:
- As a percentage of the Social Security reimbursement base (BR): “200% BR” means that the mutual reimburses up to twice the convention rate, including Social Security. If the convention rate is low and the practitioner charges excess fees, the out-of-pocket expense can remain high.
- In euros per act or per year: “150 euros per year for osteopathy” is more readable but obscures the actual number of sessions covered if each session exceeds this amount.
- As a “flat rate” without base specification: some contracts announce a global “optical flat rate” without detailing the distribution between frames/lenses, complicating any anticipation of the actual out-of-pocket expense.
Converting each guarantee into estimated out-of-pocket expenses based on one’s own expenditures from the previous year remains the most reliable method. One takes their three or four main health spending categories, simulates the reimbursement with the guarantee table, and compares the net result between two or three contracts.
Cancellation and portability: the deadlines to know for changing mutual insurance
Since the law allowing annual cancellation, one can leave their individual mutual insurance at any time after one year of contract, without fees or justification. The new supplementary insurance takes effect the day after cancellation, provided it has been subscribed to beforehand.
For a company collective mutual insurance, the portability of rights lasts a maximum of twelve months after the end of the employment contract. After this period, coverage stops. Anticipating the subscription of an individual mutual insurance before the end of portability avoids any coverage gap.
The choice of supplementary health insurance relies less on the monthly price than on the coherence between actual expenses and the guarantees that can be effectively mobilized. With the transfer of costs in progress since 2026, reviewing one’s guarantee table every year is no longer an option.
