From Longman Dictionary of Contemporary Englishpre-existingpre-existing, preexisting /ˌpriːɪɡˈzɪstɪŋ◂/ adjective [only before noun]formalEXISTexisting before a particular time or event
Inform your doctor of any pre-existing medical condition.Examples from the Corpuspre-existing• In this kind of case, pre-existingacquaintances were invalidated.• It also stops them refusing cover for more than a year to those with pre-existingconditions.• This depositmantles the flanks of the pre-existingcone, but is no more than a few metresthick at most.• This division to some degreereflected the pre-existing division of opinion on the PoorLaw and its desirablereplacement.• The Act effects several important changes to the pre-existing law.• Replacive minerals grow, as their name suggests, in the place of pre-existing minerals and not into porespaces.• On the one hand, nucleic acidsarise only as copies of pre-existing nucleic acids.• If the databasecontainspre-existingoriginal works normalrulesapply.pre-existing ... condition• Disability caused by a pre-existing medical condition.• How can I change jobs if I have a pre-existing medical condition?• It also stops them refusing cover for more than a year to those with pre-existing conditions.• Few policies cover pre-existing conditions, self-inflictedinjury or pregnancy-related claims.