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Emerging Standards

HL7 v2 Contextual Conditions in Immunization Queries

Defines how contextual conditions can accompany an HL7 v2 immunization query and influence the forecast returned by an IIS.

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StageDraft PathExternal Effort Topic typeCapability ChampionSabrina Matlock, Shelby Sandstrom Followers26

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Draft

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External Effort

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Overview

Defines how an EHR can include patient-specific Contextual Conditions as coded observations within an HL7 v2 QBP query. The IIS uses the supplied conditions when generating the corresponding RSP response, allowing the returned immunization evaluations and recommendations to account for relevant medical, occupational, lifestyle, travel, and other risk factors. It supports risk-based immunization forecasting between EHRs and IIS-generated CDS.

Coming soon

Support for source material, diagrams, and supporting notes is coming in a future update.

Meetings

MeetingAgendaPresenter(s)
Immunization Focus Group
Oct 23, 2026 (Upcoming)
 No presenters listed
Immunization RoundTable at HL7 WGM
Sep 22, 2026
Update on Risk-Based Forecasting work.
Nathan Bunker
Immunization Focus Group
Sep 11, 2026
Introduction to new project that AIRA is kicking off to support sending risk-based conditions in QBP/RSP queries to allow IIS to respond with recommendations that reflect risk conditions.
Notes
  • Risk-based forecasting (conditions not known by the IIS)
  • AIRA has received funding for draft to pilot phase
  • 12-month proof of concept project
  • Exploring Feasibility of implementation of Risk-Based IZ Forecasting
  • Looking for IIS programs, EHR vendors, IIS vendors and more to join a workgroup
  • HL7 V2 query/response method
  • Email smatlock@immregistries.org and/or follow on InteropHub to express interest
Shelby Sandstrom

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Related Topics

HL7 v2 Contextual Conditions Exchangederived fromOpen

Included In

Immunization Focus Group (IFG)
Topic ID: 141
capability planning Public Read-only view