{
  "resourceType" : "CodeSystem",
  "id" : "med-admin-perform-function",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n            <p>This code system http://terminology.hl7.org/CodeSystem/med-admin-perform-function defines the following codes:</p>\n            <table class=\"codes\">\n              <tr>\n                <td style=\"white-space:nowrap\">\n                  <b>Code</b>\n                </td>\n                <td>\n                  <b>Display</b>\n                </td>\n                <td>\n                  <b>Definition</b>\n                </td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">performer\n                  <a name=\"med-admin-perform-function-performer\"> </a>\n                </td>\n                <td>Performer</td>\n                <td>A person, non-person living subject, organization or device that who actually and principally carries out the action</td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">verifier\n                  <a name=\"med-admin-perform-function-verifier\"> </a>\n                </td>\n                <td>Verifier</td>\n                <td>A person who verifies the correctness and appropriateness of the service (plan, order, event, etc.) and hence takes on accountability.</td>\n              </tr>\n              <tr>\n                <td style=\"white-space:nowrap\">witness\n                  <a name=\"med-admin-perform-function-witness\"> </a>\n                </td>\n                <td>Witness</td>\n                <td>A person witnessing the action happening without doing anything. A witness is not necessarily aware, much less approves of anything stated in the service event. Example for a witness is students watching an operation or an advanced directive witness.</td>\n              </tr>\n            </table>\n          </div>"
  },
  "extension" : [{
    "extension" : [{
      "url" : "packageId",
      "valueId" : "hl7.fhir.uv.xver-r4b.r4"
    },
    {
      "url" : "version",
      "valueString" : "0.0.1-snapshot-2"
    }],
    "url" : "http://hl7.org/fhir/StructureDefinition/package-source"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "phx"
  }],
  "url" : "http://terminology.hl7.org/CodeSystem/med-admin-perform-function",
  "version" : "4.3.0",
  "name" : "MedicationAdministration Performer Function Codes",
  "status" : "draft",
  "experimental" : false,
  "date" : "2025-09-13T16:38:45-04:00",
  "publisher" : "Pharmacy",
  "contact" : [{
    "name" : "Pharmacy",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/medication"
    }]
  }],
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/med-admin-perform-function|4.0.1",
  "content" : "complete",
  "concept" : [{
    "code" : "performer",
    "display" : "Performer",
    "definition" : "A person, non-person living subject, organization or device that who actually and principally carries out the action"
  },
  {
    "code" : "verifier",
    "display" : "Verifier",
    "definition" : "A person who verifies the correctness and appropriateness of the service (plan, order, event, etc.) and hence takes on accountability."
  },
  {
    "code" : "witness",
    "display" : "Witness",
    "definition" : "A person witnessing the action happening without doing anything. A witness is not necessarily aware, much less approves of anything stated in the service event. Example for a witness is students watching an operation or an advanced directive witness."
  }]
}