Immunization Reason Not Performed
Definition
The reason the immunization was not administered
Data element maturity
3: Ready for use
Data Element Guidance
n/a
Recommended Terminologies
Terminology foundation
SNOMED CT CA where concept is a member of 23611000087109 | Reason for not receiving immunization reference set (foundation metadata concept) |
SNOMED CT CA where concept is a member of 23611000087109 | Reason for not receiving immunization reference set (foundation metadata concept) |
Value set examples
- Anaphylaxis to previous dose or a constituent of this vaccine
- Guillain-Barré syndrome developed within 0-8 weeks of previous immunization
- Known immunity confirmed by lab result
Value set maturity
3: Ready for use
Value set guidance
n/a
Contact us
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.
How to cite:
Canadian Institute for Health Information. Immunization Reason Not Performed. Accessed November 02, 2026.
