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	Procedures performed during the encounter, or as the primary reason for the encounter. Binding: The reason the encounter was cancelled (example)
procedure	0..*	List<Extension>	Procedures performed during the encounter, or as the primary reason for the encounter.
status	1..1	String	planned | arrived | triaged | in-progress | onleave | finished | cancelled +. Binding: Current state of the encounter. (required)
class	1..1	Code	Concepts representing classification of patient encounter such as ambulatory (outpatient), inpatient, emergency, home health or others due to local variations. 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	The patient or group present at the encounter.
basedOn	0..*	List<ServiceRequest>	The request this encounter satisfies (e.g. incoming referral or procedure request).
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.
reasonCode	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	The organization that is primarily responsible for this Encounter's services. This MAY be the same as the organization on the Patient record, however it could be different, such as if the actor performing the services was from an external organization (which may be billed seperately) for an external consultation. Refer to the example bundle showing an abbreviated set of Encounters for a colonoscopy.
partOf	0..1	Encounter	Another Encounter of which this encounter is a part of (administratively or in time).