The following standards and related specifications were identified as the recommended approach to support the in-scope requirements. The table lists the summary with the rationale.

 

Standardization Requirement

Options

Choice

Rationale

Messaging

Immunization HL7 V3.0

X

The specification was designed to meet the in-scope use cases and conforms with the architectural design of Canada's digital health blueprint.

CeRx 4.4  HL7 V3.0

 

The CeRx specification has been superseded by the Immunizations Specification for vaccine event messaging.
HLv2  Inconsistent with Canada's blueprint. Not used in Canada.