Diagram of Encounter

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UML 2.1 notation shows multiplicity on relationship ends; coloured boxes indicate classes elaborated in a separate diagram or planned for a future release.

Encounter Subject Area Pan-Canadian Health Data Content Framework Version 3, September 2026 Location Appointment Health Event Party Role Patient HealthConcern Encounter - Encounter Category Code: Codeable Concept [0..1] - Encounter Creation Date Time: Date Time [0..1] - Encounter Identifier: Identifier [0..1] - Encounter Mode Code: Codeable Concept [0..*] - Encounter Period: Period [0..1] - Encounter Priority Code: Codeable Concept [0..1] - Encounter Type Code: Codeable Concept [0..1] Account Encounter Non-Patient Participant - Encounter Non-Patient Participant Mode Code: Codeable Concept [0..1] - Encounter Non-Patient Participant Type Code: Codeable Concept [0..1] - Encounter Non-Patient Participation Period: Period [0..1] constraints {Unique Key: Encounter, Party Role, Encounter Non-Patient Participant Type Code if specified, Encounter Non-Patient Participation Period.Start Date Time if specified} Patient Episode Of Care ClinicalAnnotation Encounter Location - Encounter Location Effective Period: Period [0..1] constraints {Unique Key: Encounter, Location, Encounter Location Effective Period.Start Date Time if specified} Encounter Status - Encounter Status Code: Codeable Concept - Encounter Status Date Time: Date Time [0..1] constraints {Unique Key: Encounter, Encounter Status Date Time if specified} «Catalog» Health Care Service Encounter Patient Admission - Encounter Patient Admission Source Code: Codeable Concept [0..1] - Encounter Patient Arrival Mode Code: Codeable Concept [0..1] - Encounter Patient Pre-admission Identifier: Identifier [0..1] - Encounter Patient Readmission Indicator: Indicator [0..1] Encounter Patient Clinical Review - Patient Medication Reconciliation Complete Indicator: Indicator [0..1] - Patient Reported Active Medication Indicator: Indicator [0..1] - Patient Reported Allergy or Intolerance Indicator: Indicator [0..1] Encounter Reason - Encounter Reason Code: Codeable Concept [0..1] - Encounter Reason Use Code: Codeable Concept [0..1] constraints {Unique Key: Encounter, XOR(Encounter Reason Code, Diagnostic Report, Document Reference, Patient Health Concern, Observation)} Diagnostic Report Document Reference Clinical Document Observation Clinical Event Diagnosis Clinical Event Health Care Organization Encounter Patient Disposition - Encounter Patient Disposition Code: Codeable Concept Encounter Patient Special Arrangement - Encounter Patient Diet Preference Code: Codeable Concept [0..*] - Encounter Patient Special Arrangement Request Code: Codeable Concept [0..*] - Encounter Patient Special Courtesy Code: Codeable Concept [0..*] Encounter Patient - Encounter Patient Mode Code: Codeable Concept [0..1] - Encounter Patient Participation Period: Period [0..1] - Encounter Patient Status Code: Codeable Concept [0..1] constraints {Unique Key: Encounter, Patient, Encounter Patient Participation Period.Start Date Time if specified} Service Request Administrative Event Encounter Patient Triage - Encounter Patient Triage Level Code: Codeable Concept - Encounter Patient Triage Level Type Code: Codeable Concept [0..1] - Encounter Patient Triage Period: Period [0..1] - Patient Triage Level Reporting Source Code: Codeable Concept [0..1] Health Care Service Event Health Event - Health Care Service Event Period: Period 0..* 0..* associated with 0..1 0..* 1 for 0..1 0..* created in 0..* 0..* fulfilled in 0..1 0..* 0..* for 0..1 0..* 0..1 has context 0..* 0..1 is 0..* 0..* 0..* 1 for 1..* 1 for 0..* 0..1 part of 0..1 0..* 0..* delivered in 0..* 0..1 occurs in 0..1 0..* 0..1 0..* 0..1 1 0..* justified by 0..* 0..1 is 0..* 0..1 is 0..* 0..1 0..* 1 for 0..* 0..1 occurs in 0..* 0..* has {Party Role Type is not Patient} 1 1..* has 0..* 0..* billed in 0..* 0..1 is Exclusive OR Exclusive OR Legend Class Elaborated in Separate Diagram Future Release Business Representation Association relationship Uses relationship Relationship to association class Exclusive OR boundary | Inclusive OR boundary Generalization relationship from child to parent Aggregation relationship Composition relationship

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How to cite:

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