{
  "resourceType" : "CodeSystem",
  "id" : "disease-extent-codes-cs",
  "language" : "en",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem disease-extent-codes-cs</b></p><a name=\"disease-extent-codes-cs\"> </a><a name=\"hcdisease-extent-codes-cs\"> </a><p>This case-sensitive code system <code>https://nshr-uat.sha.go.ke/fhir/CodeSystem/disease-extent-codes-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\">IN-SITU<a name=\"disease-extent-codes-cs-IN-SITU\"> </a></td><td>In Situ</td><td>Carcinoma in situ; no invasion of basement membrane.</td></tr><tr><td style=\"white-space:nowrap\">LOCALIZED<a name=\"disease-extent-codes-cs-LOCALIZED\"> </a></td><td>Localized</td><td>Tumour confined to organ of origin.</td></tr><tr><td style=\"white-space:nowrap\">REGIONAL-LN<a name=\"disease-extent-codes-cs-REGIONAL-LN\"> </a></td><td>Regional — Lymph Nodes</td><td>Spread to regional lymph nodes only.</td></tr><tr><td style=\"white-space:nowrap\">REGIONAL-EXTENSION<a name=\"disease-extent-codes-cs-REGIONAL-EXTENSION\"> </a></td><td>Regional — Direct</td><td>Direct extension to adjacent structures.</td></tr><tr><td style=\"white-space:nowrap\">REGIONAL-BOTH<a name=\"disease-extent-codes-cs-REGIONAL-BOTH\"> </a></td><td>Regional — Combined</td><td>Both lymph node and direct extension involvement.</td></tr><tr><td style=\"white-space:nowrap\">DISTANT-METASTASIS<a name=\"disease-extent-codes-cs-DISTANT-METASTASIS\"> </a></td><td>Distant Metastasis</td><td>Spread to distant organs or non-regional lymph nodes.</td></tr><tr><td style=\"white-space:nowrap\">NOT-DETERMINABLE<a name=\"disease-extent-codes-cs-NOT-DETERMINABLE\"> </a></td><td>Not Determinable</td><td>Extent of disease cannot be assessed.</td></tr></table></div>"
  },
  "url" : "https://nshr-uat.sha.go.ke/fhir/CodeSystem/disease-extent-codes-cs",
  "version" : "0.1.0",
  "name" : "DiseaseExtentCodesCS",
  "title" : "Kenya Disease Extent Code System",
  "status" : "active",
  "experimental" : false,
  "date" : "2026-06-04T14:49:30+00:00",
  "publisher" : "Digital Health Agency (DHA), Kenya",
  "contact" : [{
    "name" : "Digital Health Agency (DHA), Kenya",
    "telecom" : [{
      "system" : "url",
      "value" : "https://dha.go.ke"
    },
    {
      "system" : "email",
      "value" : "info@dha.go.ke"
    }]
  },
  {
    "name" : "Digital Health Agency Kenya – FHIR Team",
    "telecom" : [{
      "system" : "email",
      "value" : "info@dha.go.ke",
      "use" : "work"
    },
    {
      "system" : "url",
      "value" : "https://dha.go.ke",
      "use" : "work"
    }]
  }],
  "description" : "Codes describing the extent of disease spread at the time of assessment.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "KE",
      "display" : "Kenya"
    }]
  }],
  "caseSensitive" : true,
  "content" : "complete",
  "count" : 7,
  "concept" : [{
    "code" : "IN-SITU",
    "display" : "In Situ",
    "definition" : "Carcinoma in situ; no invasion of basement membrane."
  },
  {
    "code" : "LOCALIZED",
    "display" : "Localized",
    "definition" : "Tumour confined to organ of origin."
  },
  {
    "code" : "REGIONAL-LN",
    "display" : "Regional — Lymph Nodes",
    "definition" : "Spread to regional lymph nodes only."
  },
  {
    "code" : "REGIONAL-EXTENSION",
    "display" : "Regional — Direct",
    "definition" : "Direct extension to adjacent structures."
  },
  {
    "code" : "REGIONAL-BOTH",
    "display" : "Regional — Combined",
    "definition" : "Both lymph node and direct extension involvement."
  },
  {
    "code" : "DISTANT-METASTASIS",
    "display" : "Distant Metastasis",
    "definition" : "Spread to distant organs or non-regional lymph nodes."
  },
  {
    "code" : "NOT-DETERMINABLE",
    "display" : "Not Determinable",
    "definition" : "Extent of disease cannot be assessed."
  }]
}