inpatient

Etymology

in + patient

noun

1. (healthcare) A patient whose treatment needs at least one night's residence in a hospital; a hospitalized patient.
   For three of the four regions, the number and rate of procedures was higher in inpatient than in ambulatory settings, but in the Midwest the differences between settings were not statistically significant. 1998, Maria Owings, Lola Jean Kozak, Ambulatory and Inpatient Procedures in the United States, 1996, Issue 139