Encounter

CACDI
Version 3
Published September 29, 2026
Updated November 2, 2026

A discrete, time-bound interaction between a patient or a group of patients and 1 or more health care providers, occurring for the purpose of providing health care services related to 1 or more health concerns.
Note: This concept includes not only actually occurring encounters, but also planned ones and those having other statuses (e.g., on hold, cancelled).

Constraints

n/a

Stereotype(s)

n/a

Relationships

From class	From multiplicity	Relationship	To class	To multiplicity
Diagnosis	0..*	associated with	Encounter	0..*
Patient Allergy or Intolerance	0..*	documented in	Encounter	0..1
Family Member History Data Absent Reason	0..*	documented in	Encounter	0..1
Encounter	0..1	created in	Service Request	0..*
Family Member History	0..*	documented in	Encounter	0..1
Medication Statement Data Absent Reason	0..*	documented in	Encounter	0..1
Provenance	0..*	related to	Encounter	0..1
Specimen	0..*	collected in	Encounter	1
Patient Health Concern	0..*	documented in	Encounter	0..1
Appointment	0..*	for	Encounter	0..*
Clinical Document	0..*	has context	Encounter	0..1
Service Request	0..*	fulfilled in	Encounter	0..*
Health Care Service Event	0..*	occurs in	Encounter	0..1
Encounter	0..*		Location	0..*
Party Group	0..1	subject of {is the set of > 1 patients in encounter}	Encounter	0..*
Encounter Patient	1..*	for	Encounter	1
Patient Health Concern Data Absent Reason	0..*	documented in	Encounter	0..1
Encounter	0..*	part of	Episode Of Care	0..1
Patient Procedure Data Absent Reason	0..*	documented in	Encounter	0..1
Patient Allergy or Intolerance Data Absent Reason	0..*	documented in	Encounter	0..1
Encounter	0..*	occurs in	Health Care Organization	0..1
Patient Procedure	0..*	documented in	Encounter	0..1
Encounter	0..1	has (composition)	Encounter	0..*
Patient Immunization	0..*	documented in	Encounter	0..1
Encounter	1	justified by	Encounter Reason	0..*
Encounter	0..*	is context for	Document Reference	0..*
Encounter	0..1	associated with	Diagnostic Report	0..*
Patient	0..*	has	Encounter	0..*
Medication Administration	0..*	performed in	Encounter	0..1
Medication Statement	0..*	documented in	Encounter	0..1
Encounter	0..1	has (composition)	Clinical Annotation	0..*
Encounter	0..*	has {Party Role Type is not Patient}	Party Role	0..*
Patient Immunization Data Absent Reason	0..*	documented in	Encounter	0..1
Encounter	1	has	Encounter Status	1..*

Contact us

If you have questions about this initiative, would like to be added to our stakeholder notification list or would like to participate in our consultations, please email us.

connectedcare@cihi.ca

How to cite:

Canadian Institute for Health Information. Encounter. Accessed November 02, 2026.