Social Security reimbursement for IVF in Greece: the S2 form and the CNSE, step by step

This is the topic on which I see the most misinformation circulating, on both sides: some people are convinced they won’t be entitled to anything, whilst others have been promised a full reimbursement. The reality lies somewhere in between, and it deserves to be explained in detail, because a single scheduling error is enough to lose everything.

The principle: scheduled treatment within the European Union

European law provides two ways to receive treatment in another Member State. The first, known as ‘unplanned treatment’, covers unforeseen circumstances and falls under the European Health Insurance Card. The second, the only one of interest here, concerns planned treatment: you decide in advance to seek treatment elsewhere and apply to your health insurance provider for prior authorisation.

This authorisation takes the form of the S2 form (formerly E112). Once granted, your treatment in Greece is covered as if you were insured in Greece, i.e. at the rates and under the conditions of the Greek system — not at French rates, and not at the price actually charged by a private healthcare provider.

What this means in practice

This distinction is crucial. The reimbursement is based on the Greek social security rate for the relevant procedures, not on the invoice from the private clinic where you will be treated. Depending on the procedures carried out and the treatment plan, this generally amounts to between a few hundred euros and around one thousand six hundred euros.

In the context of the overall budget, this is neither negligible nor decisive. I always put it this way: it’s money that would be a shame to miss out on, but it shouldn’t be the deciding factor in your decision. If someone tells you that the costs will be fully covered, ask them to put it in writing.

Requirements

• You must be registered with a French health insurance scheme and up to date with your contributions.
• The treatment must be one of those covered in France. Assisted reproductive technology is included, subject to the conditions and age limits set out in French regulations.
• Submit your application BEFORE treatment begins. This is the requirement that causes the most applications to be rejected. Applications submitted after treatment has begun are routinely refused.
• You must receive approval from your health insurance provider or, in certain situations, from the National Centre for Overseas Healthcare (CNSE), which processes applications for planned treatment abroad.

The procedure, step by step

1. Obtain a prescription or a letter from your doctor in France — a gynaecologist or GP — justifying the need for this treatment and specifying the proposed course of treatment.
2. Ask the Greek clinic for a detailed quote listing the planned procedures. A vague quote undermines the application; a precise quote, with the procedures specified, helps considerably.
3. Complete the prior authorisation application form available from your CPAM or on its website, and attach the prescription, the quote and the relevant medical supporting documents.
4. Submit the application to your health insurance provider, which will forward it to the CNSE if necessary. Keep a record of the submission and the date: this will be useful if the assessment is delayed.
5. Wait for the decision. Allow several weeks. In some cases, no response beyond the statutory time limit is deemed to be implicit approval — but it is better to follow up than to rely on this.
6. After your treatment, gather the supporting documents: detailed, paid invoices, treatment reports and proof of payment. This is where the format matters: a single, lump-sum invoice without a breakdown of the treatments makes reimbursement much more difficult.
7. Submit your claim for reimbursement to your health insurance provider along with all the supporting documents.

The point that almost nobody anticipates: the format of invoices

A Greek clinic issues invoices primarily for its own accounting purposes, not for a French health insurance provider. A single, summary invoice titled ‘IVF treatment’ does not allow your health insurance provider to match the procedures to its classification system, and the claim gets bogged down in requests for additional documentation.

What you should ask for – preferably before treatment rather than afterwards – is an invoice detailing each procedure separately, the date it was carried out, the word ‘paid’, the clinic’s full details and its accreditation number, as well as a medical report describing the procedures performed. If requested at the right time, this is a mere formality for the clinic; if requested six months later from France, it can take weeks.

The most costly mistakes

1. Starting treatment before submitting the application. This cannot be rectified.
2. A quote that is too vague, making it impossible to identify the procedures.
3. Failing to keep proof of submission. Without a date, you have no grounds for complaint in the event of a delay in processing.
4. Leaving Greece without the itemised invoices. Obtaining the documents remotely always takes longer.
5. Confusing the S2 form with the European Health Insurance Card. The card does not cover scheduled treatment.
6. Giving up after an initial refusal. A refusal can be appealed, and a better-substantiated claim is sometimes accepted on the second attempt.

What if the answer is ‘no’?

A refusal must be justified. Read the reason carefully: it often relates to a missing document or medical justification deemed insufficient, rather than a refusal on principle. You can refer the matter to your health insurance provider’s amicable appeals committee within the time limits specified in the decision. An additional letter from your doctor, explaining why this treatment is appropriate in your situation, frequently changes the outcome.

What I do in this specific situation

This is one of the few areas where support makes a measurable difference, because it lies at the intersection of two government departments that do not communicate with one another. In practical terms: I obtain a quote from the clinic that is formatted in a way that a French health insurance provider can process; I help you put together the application and draft the supporting letter; I monitor deadlines with you, and I collect the invoices and reports on site in the required format — whilst you’re still in Greece, i.e. when it’s straightforward.

Frequently asked questions