Again, others will know more about this, but from what I have read it’s just a basic check to make sure you don’t have some horrible plague that will decimate the population of your region.
And from this article it seems that often they don’t even do much in the way of an exam:
See also:
We just underwent the recent medical checks in order to stay for longer than 3 months in France for renewing long term visas / titre de sejour and living here permanently.
Thought it would be useful for anyone who may be facing the same process to know how it all panned out for us and what to expect.
Letters - we received two letters (in the same envelope) delivered by La Poste. This was about 6 weeks after our arrival in France. A convocation (obligatory) attendance for a lung x-ray and the second appointment for a general medical. In order that we were approved to stay beyond 3 months in France.
X-ray - this is mandatory. This is for lungs. We were given a date and time to attend at our nearest large hospital with specialist X-ray facilities. Turned up maybe 15 mins in advance. Went to waiting area. Nobody else there. Charming nurse, very jolly ushered us in straight away with no waiting. Strip to waist (ladies, don’t wear a dress, make it easy on yourselves). X-ray was simple: st…