{
  "resourceType" : "CodeSystem",
  "id" : "ng-provenance-activity-cs",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem ng-provenance-activity-cs</b></p><a name=\"ng-provenance-activity-cs\"> </a><a name=\"hcng-provenance-activity-cs\"> </a><p>This case-insensitive code system <code>https://fhir-ig.digitalhealth.gov.ng/CodeSystem/ng-provenance-activity-cs</code> defines the following codes in a Grouped By hierarchy:</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\">ANONY<a name=\"ng-provenance-activity-cs-ANONY\"> </a></td><td>Anonymize</td><td>Activity that removes all personally identifiable information (PII) to prevent re-identification.</td></tr><tr><td style=\"white-space:nowrap\">DEID<a name=\"ng-provenance-activity-cs-DEID\"> </a></td><td>De-identify</td><td>Activity that removes or obfuscates personal identifiers while retaining data usability.</td></tr><tr><td style=\"white-space:nowrap\">MASK<a name=\"ng-provenance-activity-cs-MASK\"> </a></td><td>Mask</td><td>Activity that hides or replaces specific data elements with placeholder values.</td></tr><tr><td style=\"white-space:nowrap\">LABEL<a name=\"ng-provenance-activity-cs-LABEL\"> </a></td><td>Assign Security Label</td><td>Activity that applies confidentiality, sensitivity, or purpose-of-use labels to data.</td></tr><tr><td style=\"white-space:nowrap\">PSEUD<a name=\"ng-provenance-activity-cs-PSEUD\"> </a></td><td>Pseudonymize</td><td>Activity that replaces direct identifiers with pseudonyms that can be re-linked under controlled conditions.</td></tr><tr><td style=\"white-space:nowrap\">CREATE<a name=\"ng-provenance-activity-cs-CREATE\"> </a></td><td>Create</td><td>Activity representing the creation of new data or resource instance.</td></tr><tr><td style=\"white-space:nowrap\">DELETE<a name=\"ng-provenance-activity-cs-DELETE\"> </a></td><td>Delete</td><td>Activity representing deletion or removal of a data record.</td></tr><tr><td style=\"white-space:nowrap\">APPEND<a name=\"ng-provenance-activity-cs-APPEND\"> </a></td><td>Append</td><td>Activity representing addition of new information to an existing resource or record.</td></tr><tr><td style=\"white-space:nowrap\">NULLIFY<a name=\"ng-provenance-activity-cs-NULLIFY\"> </a></td><td>Nullify</td><td>Activity that invalidates or renders data non-usable without deleting the record.</td></tr><tr><td style=\"white-space:nowrap\">LA<a name=\"ng-provenance-activity-cs-LA\"> </a></td><td>Legally Authenticated</td><td>Activity confirming legal authentication of a record (e.g., signed or witnessed by authorized person).</td></tr></table></div>"
  },
  "url" : "https://fhir-ig.digitalhealth.gov.ng/CodeSystem/ng-provenance-activity-cs",
  "version" : "0.0.0",
  "name" : "NgProvenanceActivityCS",
  "title" : "NG Provenance Activity Codes",
  "status" : "active",
  "experimental" : false,
  "date" : "2026-04-20T00:41:38+00:00",
  "publisher" : "NDHI",
  "contact" : [{
    "name" : "NDHI",
    "telecom" : [{
      "system" : "url",
      "value" : "https://digitalhealth.gov.ng"
    },
    {
      "system" : "email",
      "value" : "emeka2015@gmail.com"
    }]
  },
  {
    "name" : "Nigeria Digital in Health Initiative.",
    "telecom" : [{
      "system" : "email",
      "value" : "emeka2015@gmail.com",
      "use" : "work"
    }]
  }],
  "description" : "Local CodeSystem defining provenance activity codes for data lifecycle operations such as anonymization, de-identification, labeling, creation, and deletion, aligned to DHIN 2025 Connectathon artifacts.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "NG",
      "display" : "Nigeria"
    }]
  }],
  "caseSensitive" : false,
  "hierarchyMeaning" : "grouped-by",
  "content" : "complete",
  "count" : 10,
  "concept" : [{
    "code" : "ANONY",
    "display" : "Anonymize",
    "definition" : "Activity that removes all personally identifiable information (PII) to prevent re-identification."
  },
  {
    "code" : "DEID",
    "display" : "De-identify",
    "definition" : "Activity that removes or obfuscates personal identifiers while retaining data usability."
  },
  {
    "code" : "MASK",
    "display" : "Mask",
    "definition" : "Activity that hides or replaces specific data elements with placeholder values."
  },
  {
    "code" : "LABEL",
    "display" : "Assign Security Label",
    "definition" : "Activity that applies confidentiality, sensitivity, or purpose-of-use labels to data."
  },
  {
    "code" : "PSEUD",
    "display" : "Pseudonymize",
    "definition" : "Activity that replaces direct identifiers with pseudonyms that can be re-linked under controlled conditions."
  },
  {
    "code" : "CREATE",
    "display" : "Create",
    "definition" : "Activity representing the creation of new data or resource instance."
  },
  {
    "code" : "DELETE",
    "display" : "Delete",
    "definition" : "Activity representing deletion or removal of a data record."
  },
  {
    "code" : "APPEND",
    "display" : "Append",
    "definition" : "Activity representing addition of new information to an existing resource or record."
  },
  {
    "code" : "NULLIFY",
    "display" : "Nullify",
    "definition" : "Activity that invalidates or renders data non-usable without deleting the record."
  },
  {
    "code" : "LA",
    "display" : "Legally Authenticated",
    "definition" : "Activity confirming legal authentication of a record (e.g., signed or witnessed by authorized person)."
  }]
}