Thanks for clarification! It seems DeepL translation of subject line (which Discourse annoying chooses not to translate, but it is other problem) “How to mark the emergency room of a hospital?” is not to be trusted too much for Polish language 
Then perhaps https://wiki.openstreetmap.org/wiki/Tag:amenity=reception_desk might be better? It says:
Use it to identify the location of a receptionist who is employed by an organization to receive or greet any visitors, patients, or clients […]
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