Integrated Campaign Registry (ICR) Implementation Guide - Local Development build (v0.1.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

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: ICR Adverse Event Causality - XML Representation

Draft as of 2026-08-07

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="icr-adverse-event-causality-cs"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem icr-adverse-event-causality-cs</b></p><a name="icr-adverse-event-causality-cs"> </a><a name="hcicr-adverse-event-causality-cs"> </a><p>This case-sensitive code system <code>https://icr.healthcampaigns.org/CodeSystem/icr-adverse-event-causality-cs</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">a-consistent<a name="icr-adverse-event-causality-cs-a-consistent"> </a></td><td>A — Consistent causal association</td><td>Consistent causal association to the intervention (WHO category A; immunization subtypes A1 product, A2 quality defect, A3 administration error, A4 anxiety).</td></tr><tr><td style="white-space:nowrap">b-indeterminate<a name="icr-adverse-event-causality-cs-b-indeterminate"> </a></td><td>B — Indeterminate</td><td>Indeterminate: conflicting trends or insufficient evidence.</td></tr><tr><td style="white-space:nowrap">c-coincidental<a name="icr-adverse-event-causality-cs-c-coincidental"> </a></td><td>C — Coincidental / inconsistent</td><td>Inconsistent causal association — coincidental, due to underlying/emerging condition or other exposure.</td></tr><tr><td style="white-space:nowrap">d-unclassifiable<a name="icr-adverse-event-causality-cs-d-unclassifiable"> </a></td><td>D — Unclassifiable</td><td>Unclassifiable: insufficient information to assess.</td></tr></table></div>
  </text>
  <url
       value="https://icr.healthcampaigns.org/CodeSystem/icr-adverse-event-causality-cs"/>
  <version value="0.1.0"/>
  <name value="ICRAdverseEventCausalityCS"/>
  <title value="ICR Adverse Event Causality"/>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2026-08-07T08:41:18-04:00"/>
  <publisher value="UNICEF"/>
  <contact>
    <name value="UNICEF"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.unicef.org"/>
    </telecom>
  </contact>
  <description
               value="WHO/CIOMS causality classification of an adverse event following an intervention — intervention-neutral: covers AEFI (immunization) and MDA drug pharmacovigilance alike. Top-level WHO categories; immunization implementations may use WHO IMMZ.AdverseEvent's finer A1–A4 subtypes (espen-v3 / §17.2 C1)."/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <count value="4"/>
  <concept>
    <code value="a-consistent"/>
    <display value="A — Consistent causal association"/>
    <definition
                value="Consistent causal association to the intervention (WHO category A; immunization subtypes A1 product, A2 quality defect, A3 administration error, A4 anxiety)."/>
  </concept>
  <concept>
    <code value="b-indeterminate"/>
    <display value="B — Indeterminate"/>
    <definition
                value="Indeterminate: conflicting trends or insufficient evidence."/>
  </concept>
  <concept>
    <code value="c-coincidental"/>
    <display value="C — Coincidental / inconsistent"/>
    <definition
                value="Inconsistent causal association — coincidental, due to underlying/emerging condition or other exposure."/>
  </concept>
  <concept>
    <code value="d-unclassifiable"/>
    <display value="D — Unclassifiable"/>
    <definition value="Unclassifiable: insufficient information to assess."/>
  </concept>
</CodeSystem>