Integrated Campaign Registry (ICR) Implementation Guide
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CodeSystem: ICR Dose History / Zero-dose Status

Official URL: https://icr.healthcampaigns.org/CodeSystem/icr-dose-history-cs Version: 0.1.0
Draft as of 2026-08-07 Computable Name: ICRDoseHistoryCS

A person's prior-dose status for the campaign antigen, at the time of a campaign contact — the polio SIA tally's core split (never received / previously received / no recall) and the zero-dose vs not-zero-dose axis. Carried per event by the prior-dose-status extension and aggregated as the dose-history coverage stratifier; feeds zero-dose reach and the proposed dropout/fully-immunized measures (forms-v1 / jul3-form-analysis §Aggregate #1).

This Code system is referenced in the content logical definition of the following value sets:

This case-sensitive code system https://icr.healthcampaigns.org/CodeSystem/icr-dose-history-cs defines the following codes:

CodeDisplayDefinition
zero-dose Zero-dose Never received the antigen before this contact (the polio 'never received nOPV2 / >2 weeks old & never received OPV' cell). The zero-dose population.
previously-received Previously received Had received the antigen before this contact (the 'previously received' / 'not zero-dose' cell).
no-recall No recall / no information Prior-dose status unknown — caregiver cannot recall and no record is available.