Observation

Rule Number Rule description Semantic Common Data Model mapping Use cases affected In CACDI?
CC-BR-00142 Only the role of patient can be the subject of an observation for Canadian Patient Summary (CA-PS) scope. Observation <-- subject of <-- Patient Vital Signs, Substance Use Yes
CC-BR-00143 Future scope: Only one of patient, party group, location, organization or medical device can be the subject of an observation instance. Observation <-- subject of Vital Signs, Substance Use No
CC-BR-00144 Only one of the value attributes can be used at a time for each observation or observation component instance. Observation.Observation Value Code
Observation.Observation Value Quantity
Observation.Observation Value Integer
Observation.Observation Value Date Time
Observation.Observation Value Time
Observation.Observation Value Text
Observation.Observation Value Range
Observation.Observation Value Ratio
Observation.Observation Value Indicator
Observation.Observation Value Sample Date
Observation.Observation Value Period

Observation Component.Observation Component Value Code
Observation Component.Observation Component Value Quantity
Observation Component.Observation Component Value Integer
Observation Component.Observation Component Value Date Time
Observation Component.Observation Component Value Time
Observation Component.Observation Component Value Text
Observation Component.Observation Component Value Range
Observation Component.Observation Component Value Ratio
Observation Component.Observation Component Value Indicator
Observation Component.Observation Component Value Sample Date
Observation Component.Observation Component Value Period
Vital Signs, Substance Use Yes
CC-BR-00145 If Observation Data Absent Reason Code is populated, non of the Observation Values must be populated Not applicable Observation No

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connectedcare@cihi.ca

How to cite:

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