Integrated Campaign Registry (ICR) Implementation Guide
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CodeSystem: ICR Household Relationship

Official URL: https://icr.healthcampaigns.org/CodeSystem/icr-household-relationship-cs Version: 0.1.0
Draft as of 2026-10-29 Computable Name: ICRHouseholdRelationshipCS

The three household-roster codes HL7 v3 RoleCode does not provide: the household's reference head, any other head (co-head), and a member not related to the reference head. Used with v3 RoleCode in ICRRelationshipToHeadVS (relationship-to-head extension on ICRDeliveryUnit.member).

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-household-relationship-cs defines the following codes:

CodeDisplayDefinition
head Head (reference person) The household's reference head: the one member every other member's relationship code is relative to. At most one active member per household (icr-du-one-head).
co-head Co-head Another head of the household beside the reference head. The co-head's own relationship to the reference head is not recorded in this version.
non-relative Not related A household member not related to the reference head (lodger, domestic worker, unrelated dependant).