{
  "description": "Used to specify why the normally expected content of the data element is missing.",
  "_filename": "codesystem-data-absent-reason.json",
  "package_name": "ans.cisis.fhir.r4",
  "date": "2019-11-01T09:29:23+11:00",
  "meta": {
    "lastUpdated": "2019-11-01T09:29:23.356+11:00"
  },
  "publisher": null,
  "content": "complete",
  "name": "DataAbsentReason",
  "type": null,
  "experimental": "false",
  "resourceType": "CodeSystem",
  "title": "DataAbsentReason",
  "package_version": "2.1.0",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "oo"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "normative"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
    "valueCode": "4.0.0"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 5
  } ],
  "status": "active",
  "id": "4e1f26b7-3ca1-4ab3-af8c-eeb34b8ad47c",
  "valueSet": "http://hl7.org/fhir/ValueSet/data-absent-reason",
  "kind": null,
  "url": "http://terminology.hl7.org/CodeSystem/data-absent-reason",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113883.4.642.4.1048",
    "system": "urn:ietf:rfc:3986"
  } ],
  "concept": [ {
    "code": "unknown",
    "concept": [ {
      "code": "asked-unknown",
      "display": "Asked But Unknown",
      "definition": "The source was asked but does not know the value."
    }, {
      "code": "temp-unknown",
      "display": "Temporarily Unknown",
      "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": "asked-declined",
      "display": "Asked But Declined",
      "definition": "The source was asked but declined to answer."
    } ],
    "display": "Unknown",
    "definition": "The value is expected to exist but is not known."
  }, {
    "code": "masked",
    "display": "Masked",
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString": "Using \"masked\" may be breach of security or confidentiality, but there are times when its use is required to support alternate workflows for gaining access to denied information."
    } ],
    "definition": "The information is not available due to security, privacy or related reasons."
  }, {
    "code": "not-applicable",
    "display": "Not Applicable",
    "definition": "There is no proper value for this element (e.g. last menstrual period for a male)."
  }, {
    "code": "unsupported",
    "display": "Unsupported",
    "definition": "The source system wasn't capable of supporting this element."
  }, {
    "code": "as-text",
    "display": "As Text",
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString": "It may be linked by internal references (e.g. xml:id). This usually implies that the value could not be represented in the correct format - this may be due to system limitations, or this particular data value."
    } ],
    "definition": "The content of the data is represented in the resource narrative."
  }, {
    "code": "error",
    "concept": [ {
      "code": "not-a-number",
      "display": "Not a Number (NaN)",
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
        "valueString": "This is sometimes an output value from measuring devices."
      } ],
      "definition": "The numeric value is undefined or unrepresentable due to a floating point processing error."
    }, {
      "code": "negative-infinity",
      "display": "Negative Infinity (NINF)",
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
        "valueString": "This is sometimes an output value from measuring devices."
      } ],
      "definition": "The numeric value is excessively low and unrepresentable due to a floating point processing error."
    }, {
      "code": "positive-infinity",
      "display": "Positive Infinity (PINF)",
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
        "valueString": "This is sometimes an output value from measuring devices."
      } ],
      "definition": "The numeric value is excessively high and unrepresentable due to a floating point processing error."
    } ],
    "display": "Error",
    "definition": "Some system or workflow process error means that the information is not available."
  }, {
    "code": "not-performed",
    "display": "Not Performed",
    "definition": "The value is not available because the observation procedure (test, etc.) was not performed."
  }, {
    "code": "not-permitted",
    "display": "Not Permitted",
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString": "This is most often associated with required bindings that do not include the actual code used, but may be used with other data types."
    } ],
    "definition": "The value is not permitted in this context (e.g. due to profiles, or the base data types)."
  } ],
  "caseSensitive": true,
  "version": "4.0.1"
}