Diagram of Substance Use

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.

Pan-Canadian Health Data Content Framework Version 3, September 2026 Business Representation Substance Use Status - Alcohol Use Status Code [0..1] - Other Substance Use Status Code [0..1] - Tobacco Use Status Code [0..1] - Vape Use Status Code [0..1] Substance Use Measurement - Substance Use Duration [0..1] - Substance Use Frequency Code [0..1] - Substance Use Period [0..1] - Substance Use Quantity​ [0..1] - Substance Use Route Of Administration Code [0..1] - Substance Use Source Code [0..1] Observation Clinical Event Observation Component Alcohol Use Detail - Alcohol Product Type Code [0..1] - Alcohol Use Standard Drinks [0..1] Tobacco Use Detail - Tobacco Product Type Code [0..1] - Tobacco Use Pack Years [0..1] Vape Use Detail - Vape Product Type Code Other Substance Use Detail - Other Substance Use Product Type Code Patient Party Role Standardized Assessment Assessment 0..* «use» 1 0..* has 0..1 0..* subject of «use» 0..1 0..* subject of 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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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. Diagram of Substance Use. Accessed November 02, 2026.