Key points at a glance
- The optional deductible replaces the standard deductible of CHF 300 (children CHF 0) with a higher level.
- The premium discount may be at most 70% of the additional risk you take on, so at most CHF 1,540 a year with CHF 2,500.
- With an optional deductible you can only switch health insurer with effect from 1 January, not from 1 July.
- In Zurich (region 1) the median in 2026 was CHF 453.90 a month with CHF 2,500, compared with CHF 580.00 with CHF 300 (FOPH).
What is an optional deductible?
An optional deductible is a deductible that is higher than the statutory minimum deductible in basic health insurance. The minimum deductible is called the standard deductible and is CHF 300 for adults and young adults and CHF 0 for children. If you voluntarily want to bear more of the costs yourself, you choose an optional deductible.
For adults aged 19 and over there are five optional deductibles: CHF 500, 1,000, 1,500, 2,000 and 2,500. For children up to 18 there are six: CHF 100, 200, 300, 400, 500 and 600. Together with the standard deductible they make up the deductible levels. No other amounts are permitted in basic health insurance.
In legal terms, the optional deductible is a “special type of insurance” alongside standard insurance, just like the GP model or the telemedicine model. You can combine the two, for example by choosing a GP model with a CHF 2,500 deductible. The optional deductible exists only in basic health insurance under the Health Insurance Act (KVG). Deductibles and retention fees in supplementary insurance under the Insurance Contract Act (ICA) follow their own contractual rules.
How it works
With an optional deductible you pay bills yourself up to the level you have chosen. After that, your health insurer covers the costs, minus a 10% retention fee up to a maximum of CHF 700 a year (children CHF 350). The maximum retention fee is the same for the optional and the standard deductible.
In return, the insurer lowers your premium. It decides by how much itself, but within two limits:
- At most 70% of the additional risk. The additional risk is the difference from the standard deductible. With CHF 1,500 that is CHF 1,200, so the discount may be at most CHF 840 a year. With CHF 2,500 it is at most CHF 1,540.
- At least 50% of the premium remains. The premium for special types of insurance may not fall below 50% of the standard premium with accident cover for your region and age group, even when combined with an insurance model.
Separate dates apply to changes. You can only choose a higher deductible with effect from 1 January; it is enough to notify your insurer by 31 December. Switching to a lower deductible or to a different health insurer is also only possible with effect from the end of the year, with notice by 30 November after you receive the premium notification. The mid-year switch on 30 June does not exist with an optional deductible.
Legal basis
Art. 93 para. 1 KVV allows insurers to offer insurance with selectable deductibles alongside standard insurance and lists the amounts exhaustively. Para. 2 states that the maximum retention fee stays the same. Para. 3 limits the co-payment for several children of one family insured with the same insurer to twice the maximum amount per child.
Art. 94 para. 1 KVV states that this insurance is open to everyone and that a higher deductible can only be chosen with effect from the start of a calendar year. Under para. 2, switching to a lower deductible or to another insurer is possible with effect from the end of a calendar year, subject to the notice periods in Art. 7 para. 1 and 2 KVG. Para. 3 governs switching during the year under Art. 7 para. 2 to 4 KVG. Art. 95 para. 2bis KVV limits the premium reduction to 70% of the risk taken on, and Art. 90c para. 1 KVV sets the minimum premium at 50%.
Example: when does CHF 2,500 pay off?
Lara is 36, lives in Zurich and compares the standard deductible of CHF 300 with the optional deductible of CHF 2,500. She works with the median premiums of all offers: premiums 2026, municipality of Zurich (region 1), adults, with accident cover; source FOPH.
| CHF 300 | CHF 2,500 | |
|---|---|---|
| Median per month | CHF 580.00 | CHF 453.90 |
| Premium per year | CHF 6,960.00 | CHF 5,446.80 |
| Total with CHF 0 costs | CHF 6,960.00 | CHF 5,446.80 |
| Total with CHF 1,000 costs | CHF 7,330.00 | CHF 6,446.80 |
| Total with CHF 2,000 costs | CHF 7,430.00 | CHF 7,446.80 |
| Total with CHF 5,000 costs | CHF 7,730.00 | CHF 8,196.80 |
| Total from CHF 9,500 costs | CHF 7,960.00 | CHF 8,646.80 |
With a specific insurer instead of the median, the break-even point shifts. You can find every insurer’s premiums for each level in the premium calculator; the deductible calculator works out the break-even point for your insurer.
What this means for you
An optional deductible is a bet on a healthy year. It suits you if your costs have been low in the past and you could pay the maximum amount in an emergency. Check three points:
- Your costs in recent years. If they are clearly below your insurer’s break-even point, there is a strong case for a high optional deductible.
- Your reserves. With CHF 2,500 you may have to pay up to CHF 3,200 yourself in one year. Set this amount aside.
- Planned treatment. If an operation or a longer course of therapy is coming up, switch to a lower deductible in good time. Your notice must reach the insurer by 30 November.
If you want to change your level, you will find the procedure under changing your deductible and all dates under deadlines. Lower amounts apply to children; read more under deductible for children. If you are also planning to switch health insurer, the overview under switching will help.
Common mistakes
- Planning on the mid-year switch. With an optional deductible you cannot switch on 1 July. The next possible date is 1 January.
- Asking for a lower deductible too late. You must request a reduction by 30 November; in December it is too late for the new year.
- Overestimating the discount. By law the discount is limited to 70% of the additional risk. At the middle levels it is often much smaller.
- Not submitting bills. You should send your insurer bills below the deductible too, so that they count towards the deductible.
- Comparing only the monthly premium. What matters is the sum of the annual premium and the share you may have to pay yourself.
We explain how we calculate medians and break-even points under How we calculate.
Frequently asked questions
Is an optional deductible worth it?
If you have low healthcare costs, usually yes. With the median Zurich premiums for 2026, CHF 2,500 was cheaper than CHF 300 up to costs of CHF 1,981 a year. If you need regular treatment, it rarely pays off.
Can I switch health insurer on 1 July with an optional deductible?
No. The mid-year switch is only open to people with the standard deductible and no special type of insurance. With an optional deductible you switch with effect from the end of the calendar year.
Does my health insurer have to offer an optional deductible?
No. Insurers may offer optional deductibles, but they do not have to, and they do not have to offer every level. Every insurer must offer the standard deductible.
What happens to my optional deductible if I move during the year and have to change health insurer?
You keep the deductible you chose if the new insurer offers that level. The deductible you have already paid in the current year is credited to you.
Related terms
- DeductibleThe deductible (Franchise) is the amount you pay yourself each calendar year in basic health insurance before your health insurer contributes to the costs. Adults have a deductible of at least CHF 300 and can choose up to CHF 2,500. A higher deductible lowers your premium but increases your share when you fall ill.
- Standard deductibleThe standard deductible is the statutory minimum deductible in basic health insurance: CHF 300 per calendar year for adults and young adults. Up to this amount you pay your doctor’s, medicine and hospital bills yourself. If you choose nothing else, this level applies automatically; children have no standard deductible.
- Deductible levelsDeductible levels are the fixed amounts from which you choose your deductible (Franchise) in basic health insurance. For adults and young adults there are six levels from CHF 300 to CHF 2,500, for children seven levels from CHF 0 to CHF 600. Other amounts are not allowed, and no insurer has to offer all the optional levels.
- Changing your deductibleYou can only change your deductible (Franchise) in basic health insurance with effect from 1 January. If you want a lower deductible, your notice must reach your insurer by 30 November. You can choose a higher deductible without a statutory notice period; insurers accept it up to 31 December. Adults choose between CHF 300 and CHF 2,500.
- Children’s deductibleThe children’s deductible is the deductible for children up to 18 in basic health insurance. By law it is CHF 0; parents can voluntarily choose an optional deductible of CHF 100 to CHF 600 and get a lower premium in return. The retention fee for children is capped at CHF 350 a year.
Sources
- Health Insurance Ordinance (KVV), Art. 93Art. 93 KVVfedlex.admin.ch
- Health Insurance Ordinance (KVV), Art. 94Art. 94 KVVfedlex.admin.ch
- Health Insurance Ordinance (KVV), Art. 95Art. 95 KVVfedlex.admin.ch
- Health Insurance Ordinance (KVV), Art. 90cArt. 90c KVVfedlex.admin.ch
- Federal Health Insurance Act (KVG), Art. 7Art. 7 KVGfedlex.admin.ch
- FOPH: Health insurance premiums 2026 (opendata.swiss)opendata.swiss
