The Provincial Client Registry (PCR) is a repository that stores demographics and identifiers pertaining to patients who have received health care in Ontario. It enables organizations to uniquely identify patients based on their local or global identifiers (e.g. MRN or HCN) and demographic information. The repository also enables the merging and unmerging of duplicate records from a variety of contributing sources, leading to improved quality of client information across different health care organizations.
Ontario has published the following legacy standards for querying or updating the PCR:
This specification provides an additional FHIR-based interface for the PCR. It exposes 4 query operations:
Navigating from left to right (via horizontal and vertical sub-pages), this FHIR specification provides business and technical details on how to use each FHIR query operation (including general error handling)
The table below summarizes the PCR HL7 based query and update services:
Function | Service | Interaction |
---|---|---|
Query | HL7 FHIR* | - Patient EMPI Match - Patient Search - Patient Read - ITI-83: mobile Patient Identity Cross-reference Query (PIXm) |
HL7 V2 | IHE PIX/PDQ: - ITI-9: Patient Identity Cross-Referencing Query (PIX) and - ITI-21: Patient Demographics Query (PDQ) |
|
HL7 V3 | Pan-Canadian: - Find Candidates Query - Get Client Demographics Query - Find Associated Identifiers Query |
|
Update | HL7 V2 | ADT: - Add, Revise, Merge, Unmerge |
HL7 V3 | Pan-Canadian: - Add, Revise (Merge, Unmerge, Delete) |
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Approval History
APPROVER(S) | TITLE/DEPARTMENT | APPROVED DATE |
---|---|---|
eHealth Ontario | Architecture and Standards | 2018-10 |
Revision History
VERSION NO. | DATE | SUMMARY OF CHANGE | CHANGED BY |
---|---|---|---|
v1.0.0 | 2018-09-20 | First version based on FHIR DSTU2 | eHealth Ontario |
v2.0.0 | 2020-07-31 | Second version upgraded to FHIR R4 | Ontario Health |
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