{
  "resourceType" : "CodeSystem",
  "id" : "icr-dose-history-cs",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem icr-dose-history-cs</b></p><a name=\"icr-dose-history-cs\"> </a><a name=\"hcicr-dose-history-cs\"> </a><p>This case-sensitive code system <code>https://icr.healthcampaigns.org/CodeSystem/icr-dose-history-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\">zero-dose<a name=\"icr-dose-history-cs-zero-dose\"> </a></td><td>Zero-dose</td><td>Never received the antigen before this contact (the polio 'never received nOPV2 / &gt;2 weeks old &amp; never received OPV' cell). The zero-dose population.</td></tr><tr><td style=\"white-space:nowrap\">previously-received<a name=\"icr-dose-history-cs-previously-received\"> </a></td><td>Previously received</td><td>Had received the antigen before this contact (the 'previously received' / 'not zero-dose' cell).</td></tr><tr><td style=\"white-space:nowrap\">no-recall<a name=\"icr-dose-history-cs-no-recall\"> </a></td><td>No recall / no information</td><td>Prior-dose status unknown — caregiver cannot recall and no record is available.</td></tr></table></div>"
  },
  "url" : "https://icr.healthcampaigns.org/CodeSystem/icr-dose-history-cs",
  "version" : "0.1.0",
  "name" : "ICRDoseHistoryCS",
  "title" : "ICR Dose History / Zero-dose Status",
  "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" : "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).",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "caseSensitive" : true,
  "content" : "complete",
  "count" : 3,
  "concept" : [{
    "code" : "zero-dose",
    "display" : "Zero-dose",
    "definition" : "Never received the antigen before this contact (the polio 'never received nOPV2 / >2 weeks old & never received OPV' cell). The zero-dose population."
  },
  {
    "code" : "previously-received",
    "display" : "Previously received",
    "definition" : "Had received the antigen before this contact (the 'previously received' / 'not zero-dose' cell)."
  },
  {
    "code" : "no-recall",
    "display" : "No recall / no information",
    "definition" : "Prior-dose status unknown — caregiver cannot recall and no record is available."
  }]
}