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How screening invitations actually work
Every organised programme is a register, a rule and a letter. Knowing which of the three failed is usually enough to fix it — and in half the region there is no letter at all.
This page describes screening programmes; it is not a diagnosis, not a personal risk assessment and not a substitute for your own health service. Age bands are set nationally and change — the invitation you receive, and the body named on your country page, outrank anything written here. Screening is for people without symptoms: a new lump, blood you can see, a mole that has changed, unexplained weight loss or a sudden change in vision or hearing needs a clinician now, whatever a recent screening result said.
The three moving parts
An organised screening programme is a call-and-recall system, and it has exactly three components. A register works out who exists, how old they are and where they live, drawn from the national population register. A rule selects this year’s target group — usually a set of birth years rather than a set of birthdays, which is why your invitation arrives in a calendar year rather than on an anniversary. And a channel delivers the letter. When someone says they were never invited, the fault is nearly always in the register (a stale address) or the channel (an unread digital mailbox), and almost never in the rule.
Four different channels in one region
Estonia sends an eesti.ee notification to the e-mail address you have configured for state mail, and a paper letter to the population-register address if you have not configured one. Denmark uses Digital Post, the mandatory public digital mailbox. Finland, Sweden, Norway and Latvia post letters, with Latvia also able to use the official e-address on the state portal. Lithuania sends nothing at all — its prevention programmes run entirely through the family doctor you are registered with. So "I was not invited" means four different things depending on where you live, and in Lithuania it means the system working as designed.
The commonest reasons it goes wrong
An address in the population register that is out of date after a move is the single biggest one, and it fails silently: nothing bounces back to tell anyone. A digital mailbox you open twice a year is the modern equivalent. Living abroad while remaining registered, or the reverse, breaks the link. A recent name change, a new personal identity code, or being newly resident in the country can all put you outside a target group that was compiled before you arrived. And in a phased programme — Finland’s bowel screening, Norway’s at 55 — your cohort may simply not have been reached yet.
What to do about it
Fix the register entry first, because it is the one that keeps failing for the next twenty years: check the address and any e-mail forwarding setting in the national population register or state portal. Then check whether you are actually in this year’s target group — your country page on this site names the age band and the body that publishes the current cohorts. Then, if you are in it, ask to take part without the letter. Programmes will generally accept you: the invitation is an administrative prompt, not a ticket. Finally, tell your family doctor’s practice, because in several countries the practice can put the request through directly.
Opting out, and changing your mind
Screening is voluntary everywhere in this region. If you do not want to take part you can decline, and in most systems you can ask to be removed from the invitation list so the letters stop. Two things are worth knowing before you do. First, declining a round is not the same as opting out permanently — most people who skip one simply get invited again next time, which is often what they wanted. Second, opting out is reversible: you can ask to be put back on the list later, and people frequently do after a diagnosis in the family. Neither choice affects any other care you receive.
Sources: Tervisekassa — how Estonian screening invitations are sent · Nacionālais veselības dienests — Latvian invitation letters · checked 2026-09-07
Perguntas frequentes
Why did I not get a screening invitation?
Most often because the address in the population register is out of date, or the invitation went to a digital mailbox you do not read. In Lithuania there is no invitation at all — the prevention programmes run through your family doctor and you have to ask.
Can I be screened without an invitation letter?
Generally yes, if you are inside the current target group. The letter is an administrative prompt rather than a ticket. Contact the programme or your family practice and say which band you are in.
Why does the invitation come in a year rather than on my birthday?
Because target groups are usually compiled from birth years rather than birth dates. Two people born eleven months apart can therefore be a year apart in the queue, which is normal and not an error.
Can I stop the invitations?
Yes. Screening is voluntary throughout the region and you can ask to be taken off the list. It is reversible, and simply not attending one round usually leaves you on the list for the next one.
Where to go next
What screening can and cannot do
Screening has real benefits and real harms, and the harms are the reason well-informed countries reach different answers from the same trials. Four ideas explain almost every disagreement.
When the result is not normal
A positive screening test is a sorting decision, not a diagnosis. Knowing the shape of the pathway ahead of time removes most of the fear from the days of waiting.
The whole regional table
Every organised programme in the Nordic and Baltic countries, with the age band and interval for each.
Your own numbers, kept simply
TempoLife is a free tracker for weight, sleep, movement and blood pressure — the record between the letters, on your phone.