a) Inpatient Admissions: someone admitted to the hospital on a doctor’s order (i.e. direct admit); someone formally admitted from the Emergency Room to the hospital (i.e. emergency admission).
b) Outpatient Admissions: also called a department use/event/encounter is made during the person’s visit to the healthcare center that provides health and medical services but does not require stay exceeding 23 hours.
c) Emergency Visit: someone seen in an Emergency Department for care/treatment of an acute episode; following treatment or stabilization the patient is discharged back to their primary place of residence. This may include patients on observation status who are cared for no longer than 72 hours but not formally admitted to a hospital.