{
  "resourceType" : "CodeSystem",
  "id" : "data-absent-reason",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem data-absent-reason</b></p><a name=\"data-absent-reason\"> </a><a name=\"hcdata-absent-reason\"> </a><p><b>Properties</b></p><p><b>This code system defines the following properties for its concepts</b></p><table class=\"grid\"><tr><td><b>Name</b></td><td><b>Code</b></td><td><b>URI</b></td><td><b>Type</b></td></tr><tr><td>status</td><td>status</td><td>http://hl7.org/fhir/concept-properties#status</td><td>code</td></tr><tr><td>Inactive</td><td>inactive</td><td>http://hl7.org/fhir/concept-properties#inactive</td><td>boolean</td></tr><tr><td>effectiveDate</td><td>effectiveDate</td><td>http://hl7.org/fhir/concept-properties#effectiveDate</td><td>dateTime</td></tr><tr><td>deprecationDate</td><td>deprecationDate</td><td>http://hl7.org/fhir/concept-properties#deprecationDate</td><td>dateTime</td></tr><tr><td>retirementDate</td><td>retirementDate</td><td>http://hl7.org/fhir/concept-properties#retirementDate</td><td>dateTime</td></tr><tr><td>Not Selectable</td><td>notSelectable</td><td>http://hl7.org/fhir/concept-properties#notSelectable</td><td>boolean</td></tr><tr><td>Parent</td><td>parent</td><td>http://hl7.org/fhir/concept-properties#parent</td><td>code</td></tr><tr><td>Child</td><td>child</td><td>http://hl7.org/fhir/concept-properties#child</td><td>code</td></tr><tr><td>partOf</td><td>partOf</td><td>http://hl7.org/fhir/concept-properties#partOf</td><td>code</td></tr><tr><td>synonym</td><td>synonym</td><td>http://hl7.org/fhir/concept-properties#synonym</td><td>code</td></tr><tr><td>comment</td><td>comment</td><td>http://hl7.org/fhir/concept-properties#comment</td><td>string</td></tr><tr><td>itemWeight</td><td>itemWeight</td><td>http://hl7.org/fhir/concept-properties#itemWeight</td><td>decimal</td></tr></table><p><b>Concepts</b></p><p>This case-sensitive code system <code>http://hl7.org/fhir/data-absent-reason</code> defines the following codes in an undefined hierarchy:</p><table class=\"codes\"><tr><td><b>Lvl</b></td><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td>1</td><td style=\"white-space:nowrap\">unknown<a name=\"data-absent-reason-unknown\"> </a></td><td>Unknown</td><td>The value is not known.</td></tr><tr><td>1</td><td style=\"white-space:nowrap\">asked<a name=\"data-absent-reason-asked\"> </a></td><td>Asked</td><td>The source human does not know the value.</td></tr><tr><td>1</td><td style=\"white-space:nowrap\">temp<a name=\"data-absent-reason-temp\"> </a></td><td>Temp</td><td>There is reason to expect (from the workflow) that the value may become known.</td></tr><tr><td>1</td><td style=\"white-space:nowrap\">not-asked<a name=\"data-absent-reason-not-asked\"> </a></td><td>Not Asked</td><td>The workflow didn't lead to this value being known.</td></tr><tr><td>1</td><td style=\"white-space:nowrap\">masked<a name=\"data-absent-reason-masked\"> </a></td><td>Masked</td><td>The information is not available due to security, privacy or related reasons.</td></tr><tr><td>1</td><td style=\"white-space:nowrap\">unsupported<a name=\"data-absent-reason-unsupported\"> </a></td><td>Unsupported</td><td>The source system wasn't capable of supporting this element.</td></tr><tr><td>1</td><td style=\"white-space:nowrap\">astext<a name=\"data-absent-reason-astext\"> </a></td><td>As Text</td><td>The content of the data is represented in the resource narrative.</td></tr><tr><td>1</td><td style=\"white-space:nowrap\">error<a name=\"data-absent-reason-error\"> </a></td><td>Error</td><td>Some system or workflow process error means that the information is not available.</td></tr><tr><td>2</td><td style=\"white-space:nowrap\">\u00a0\u00a0NaN<a name=\"data-absent-reason-NaN\"> </a></td><td>Not a Number</td><td>NaN, standing for not a number, is a numeric data type value representing an undefined or unrepresentable value.</td></tr></table></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/valueset-oid",
    "valueUri" : "urn:oid:2.16.840.1.113883.4.642.1.3"
  },
  {
    "extension" : [{
      "url" : "packageId",
      "valueId" : "hl7.fhir.uv.xver-r2.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" : "fhir"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 0,
    "_valueInteger" : {
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical" : "http://hl7.org/fhir/1.0/ImplementationGuide/hl7.fhir.uv.xver-r2.r4"
      }]
    }
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use",
    "_valueCode" : {
      "extension" : [{
        "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical" : "http://hl7.org/fhir/1.0/ImplementationGuide/hl7.fhir.uv.xver-r2.r4"
      }]
    }
  }],
  "url" : "http://hl7.org/fhir/data-absent-reason",
  "version" : "1.0.2",
  "name" : "data-absent-reason",
  "status" : "draft",
  "date" : "2025-09-13T15:01:03-04:00",
  "publisher" : "FHIR Infrastructure",
  "contact" : [{
    "name" : "FHIR Infrastructure",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg"
    }]
  }],
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "caseSensitive" : true,
  "content" : "complete",
  "property" : [{
    "code" : "status",
    "uri" : "http://hl7.org/fhir/concept-properties#status",
    "type" : "code"
  },
  {
    "code" : "inactive",
    "uri" : "http://hl7.org/fhir/concept-properties#inactive",
    "type" : "boolean"
  },
  {
    "code" : "effectiveDate",
    "uri" : "http://hl7.org/fhir/concept-properties#effectiveDate",
    "type" : "dateTime"
  },
  {
    "code" : "deprecationDate",
    "uri" : "http://hl7.org/fhir/concept-properties#deprecationDate",
    "type" : "dateTime"
  },
  {
    "code" : "retirementDate",
    "uri" : "http://hl7.org/fhir/concept-properties#retirementDate",
    "type" : "dateTime"
  },
  {
    "code" : "notSelectable",
    "uri" : "http://hl7.org/fhir/concept-properties#notSelectable",
    "type" : "boolean"
  },
  {
    "code" : "parent",
    "uri" : "http://hl7.org/fhir/concept-properties#parent",
    "type" : "code"
  },
  {
    "code" : "child",
    "uri" : "http://hl7.org/fhir/concept-properties#child",
    "type" : "code"
  },
  {
    "code" : "partOf",
    "uri" : "http://hl7.org/fhir/concept-properties#partOf",
    "type" : "code"
  },
  {
    "code" : "synonym",
    "uri" : "http://hl7.org/fhir/concept-properties#synonym",
    "type" : "code"
  },
  {
    "code" : "comment",
    "uri" : "http://hl7.org/fhir/concept-properties#comment",
    "type" : "string"
  },
  {
    "code" : "itemWeight",
    "uri" : "http://hl7.org/fhir/concept-properties#itemWeight",
    "type" : "decimal"
  }],
  "concept" : [{
    "code" : "unknown",
    "display" : "Unknown",
    "definition" : "The value is not known."
  },
  {
    "code" : "asked",
    "display" : "Asked",
    "definition" : "The source human does not know the value."
  },
  {
    "code" : "temp",
    "display" : "Temp",
    "definition" : "There is reason to expect (from the workflow) that the value may become known."
  },
  {
    "code" : "not-asked",
    "display" : "Not Asked",
    "definition" : "The workflow didn't lead to this value being known."
  },
  {
    "code" : "masked",
    "display" : "Masked",
    "definition" : "The information is not available due to security, privacy or related reasons."
  },
  {
    "code" : "unsupported",
    "display" : "Unsupported",
    "definition" : "The source system wasn't capable of supporting this element."
  },
  {
    "code" : "astext",
    "display" : "As Text",
    "definition" : "The content of the data is represented in the resource narrative."
  },
  {
    "code" : "error",
    "display" : "Error",
    "definition" : "Some system or workflow process error means that the information is not available.",
    "concept" : [{
      "code" : "NaN",
      "display" : "Not a Number",
      "definition" : "NaN, standing for not a number, is a numeric data type value representing an undefined or unrepresentable value."
    }]
  }]
}