The Federation of Luxembourg Hospitals exist as a legal entity of private law (Asbl) since 1965. It is more precisely in January 1965 that the Luxembourg Federation of Hospitals has formalized its constitution as a nonprofit association.

Considering its existence as a legal person FHL today 50 years of existence. But the Federation already existed as de facto association since February 1948. It was then a structure involving hospital managers, directors, mainly Congregationists, who met occasionally to address common concerns.