{
  "resourceType" : "CodeSystem",
  "id" : "icr-adverse-event-causality-cs",
  "text" : {
    "status" : "generated",
    "div" : "<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>"
  },
  "url" : "https://icr.healthcampaigns.org/CodeSystem/icr-adverse-event-causality-cs",
  "version" : "0.1.0",
  "name" : "ICRAdverseEventCausalityCS",
  "title" : "ICR Adverse Event Causality",
  "status" : "draft",
  "experimental" : false,
  "date" : "2026-08-07T08:41:18-04:00",
  "publisher" : "UNICEF",
  "contact" : [{
    "name" : "UNICEF",
    "telecom" : [{
      "system" : "url",
      "value" : "https://www.unicef.org"
    }]
  }],
  "description" : "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" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "caseSensitive" : true,
  "content" : "complete",
  "count" : 4,
  "concept" : [{
    "code" : "a-consistent",
    "display" : "A — Consistent causal association",
    "definition" : "Consistent causal association to the intervention (WHO category A; immunization subtypes A1 product, A2 quality defect, A3 administration error, A4 anxiety)."
  },
  {
    "code" : "b-indeterminate",
    "display" : "B — Indeterminate",
    "definition" : "Indeterminate: conflicting trends or insufficient evidence."
  },
  {
    "code" : "c-coincidental",
    "display" : "C — Coincidental / inconsistent",
    "definition" : "Inconsistent causal association — coincidental, due to underlying/emerging condition or other exposure."
  },
  {
    "code" : "d-unclassifiable",
    "display" : "D — Unclassifiable",
    "definition" : "Unclassifiable: insufficient information to assess."
  }]
}