Encounter

This is basic constraint on Encounter for use in US Core resources.

= Must Support, = Is Modifier, = QiCore defined extension

Field	Card.	Type	Description
reasonCancelled	0..1	Extension	An Extension Binding: The reason the encounter was cancelled (example)
status	1..1	String	planned | arrived | triaged | in-progress | onleave | finished | cancelled +. Binding: Current state of the encounter (required)
class	1..1	Code	inpatient | outpatient | ambulatory | emergency +. Binding: Classification of the encounter (extensible)
type	1..*	List<Concept>	Specific type of encounter (e.g. e-mail consultation, surgical day-care, skilled nursing, rehabilitation). Binding: Valueset to describe the Encounter Type (extensible)
priority	0..1	Concept	Indicates the urgency of the encounter. Binding: The priority of the encounter (e.g., Urgent, Normal, etc.) (preferred)
subject	1..1	Patient | Group	The patient ro group present at the encounter.
episodeOfCare	0..*	List<EpisodeOfCare>	Where a specific encounter should be classified as a part of a specific episode(s) of care this field should be used. This association can facilitate grouping of related encounters together for a specific purpose, such as government reporting, issue tracking, association via a common problem. The association is recorded on the encounter as these are typically created after the episode of care, and grouped on entry rather than editing the episode of care to append another encounter to it (the episode of care could span years).
incomingReferral	0..*	List<ReferralRequest>	The referral request this encounter satisfies (incoming referral).
participant	0..*	List<participant>	The list of people responsible for providing the service.
period	0..1	Interval<DateTime>	The start and end time of the encounter.
length	0..1	Duration	Quantity of time the encounter lasted. This excludes the time during leaves of absence.
reason	0..*	List<Concept>	Reason the encounter takes place, expressed as a code. For admissions, this can be used for a coded admission diagnosis. Binding: Reason why the encounter takes place. (preferred)
diagnosis	0..*	List<diagnosis>	The list of diagnosis relevant to this encounter.
hospitalization	0..1	hospitalization	Details about the admission to a healthcare service.
location	0..*	List<location>	List of locations where the patient has been during this encounter.
serviceProvider	0..1	Organization	An organization that is in charge of maintaining the information of this Encounter (e.g. who maintains the report or the master service catalog item, etc.). This MAY be the same as the organization on the Patient record, however it could be different. This MAY not be not the Service Delivery Location's Organization.
partOf	0..1	Encounter	Another Encounter of which this encounter is a part of (administratively or in time).