co·pay·ment 
(kōpā′mənt)
(kōpā′mənt)n.
A specified sum of money that patients covered by a health insurance plan pay for a given type of service, usually at the time the service is rendered.
- Louise
- Louis Eugene Wolcott.
- Louis Francis Cristillo.
- (Louis) Hector
- Louis Henry
- Louisiana
- Louisiana French
- Louisiana Purchase
- Louis II de Bourbon.
- Louis Isadore
- Louis IX
- Louis Jacques Mandé
- Louis Joseph de
- Louis Joseph de Bourbon.
- Louis Moreau
- Louis Napoleon
- Louis Napoleon.
- Louis Philippe
- Louis Quatorze
- Louis Quinze
- Louis Seize
- Louis Stephen
- "Louis the Great"
- Louis Treize
- Louis (Victor Pierre Raymond)