Diagram of Service Request

Use the + and − buttons to zoom, and drag the diagram to pan. Select a class box to open its detail page.

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

Service Request Subject Area Pan-Canadian Health Data Content Framework Version 3, September 2026 Party Role Document Reference «Catalog» Health Care Service Provenance Location Service Request - Service Request Additional Instructions Information: String [0..1] - Service Request As Needed Indicator: Indicator [0..1] - Service Request Body Site Code: Codeable Concept [0..*] - Service Request Category Code: Codeable Concept [0..*] - Service Request Code: Codeable Concept [0..1] - Service Request Communication Method Code: Codeable Concept [0..1] - Service Request Consultation or Referral Type Code: Codeable Concept [0..1] - Service Request Day Of Week Code: Codeable Concept [0..*] - Service Request Do Not Perform Indicator: Indicator [0..1] - Service Request Do Not Perform Reason Code: Codeable Concept [0..*] - Service Request Effective Period: Period - Service Request Identifier: Identifier [0..*] - Service Request Intent Code: Codeable Concept - Service Request Internal Indicator: Indicator [0..1] - Service Request Priority Code: Codeable Concept [0..1] - Service Request Quantity Range: Range [0..1] - Service Request Quantity Ratio: Ratio [0..1] - Service Request Quantity Value: Quantity [0..1] - Service Request Time Of Day: Time [0..*] - Service Request Timing Code: Codeable Concept [0..1] - Service Request Timing Frequency: Quantity [0..1] constraints {XOR (Service Request Quantity Value, Service Request Quantity Range, Service Request Quantity Ratio)} ClinicalAnnotation Encounter Service Request Location - Service Request Delivery Location Role Type Code: Codeable Concept constraints {Unique Key: Service Request, Location} Requisition Form Patient Service Request Performer - Service Request Performer Role Type Code: Codeable Concept constraints {Unique Key: Service Request, Party Role} Party Group Device Specimen Order Set Service Request Status - Service Request Status Code: Codeable Concept - Service Request Status Date Time: Date Time [0..1] - Service Request Status Reason Code: Codeable Concept [0..*] constraints {Unique Key: Service Request, Service Request Status Code, Service Request Status Date Time if specified} Service Request Reason - Service Request Reason Code: Codeable Concept [0..1] constraints {Unique Key: Service Request, XOR(Service Request Reason Code, Diagnostic Report, Observation, Patient Health Concern, Document Reference, Patient Procedure) } Observation Patient HealthConcern Diagnostic Report Clinical Document Clinical Information LifeCycle Event - Clinical Information Life Cycle Event Date Time: Date Time [0..1] - Clinical Information Life Cycle Event Type Code: Codeable Concept constraints {Mandatory(Party Role OR Clinical Information Life Cycle Event Date Time)} PatientProcedure 0..1 0..* subject of 0..* 0..* 0..* 0..1 executed by 0..1 0..* subject of 0..* 0..1 is 0..* 0..1 is 0..1 0..* created in 0..* 0..* fulfilled in 0..* 0..* supports 0..* 0..1 is 0..* 0..1 instructs 0..* 0..1 is 0..* 0..1 for 0..* 0..* 0..1 0..* defines 0..* 0..* has {Event Types: "authoring (signed)", "request", "reception","acknowledgment", ..., Party Role is Health Care Providerfor "authoring", "reception", "acknowledgment"} 0..1 0..* subject of 1 1..* has 1 0..* has 0..1 0..* subject of 0..* 0..1 is 0..* 0..1 0..* 0..* replaces 0..* 0..1 0..1 0..* defines 0..1 0..* has 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 Service Request. Accessed November 02, 2026.