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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How to cite:
Canadian Institute for Health Information. Observation. Accessed November 02, 2026.