noun. a registered ambulatory patient who can be treated sans an overnight stay in a hospital, clinic, or other institution, for instance, in a doctor's or group practice's office, a clinic, or a day-surgical center.

OUTPATIENT: "Most forms of plastic surgery are performed on an outpatient basis."
Cite this page: N., Pam M.S., "OUTPATIENT," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/outpatient/ (accessed September 28, 2021).