HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v5.5.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

: DataAbsentReason - JSON Representation

Active as of 2019-11-01 Maturity Level: 5

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{
  "resourceType" : "CodeSystem",
  "id" : "data-absent-reason",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/data-absent-reason</code> defines the following codes in an undefined heirarchy:</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><td><b>Comments</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 expected to exist but is not known.</td><td/></tr><tr><td>2</td><td style=\"white-space:nowrap\">\u00a0\u00a0asked-unknown<a name=\"data-absent-reason-asked-unknown\"> </a></td><td>Asked But Unknown</td><td>The source was asked but does not know the value.</td><td/></tr><tr><td>2</td><td style=\"white-space:nowrap\">\u00a0\u00a0temp-unknown<a name=\"data-absent-reason-temp-unknown\"> </a></td><td>Temporarily Unknown</td><td>There is reason to expect (from the workflow) that the value may become known.</td><td/></tr><tr><td>2</td><td style=\"white-space:nowrap\">\u00a0\u00a0not-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><td/></tr><tr><td>2</td><td style=\"white-space:nowrap\">\u00a0\u00a0asked-declined<a name=\"data-absent-reason-asked-declined\"> </a></td><td>Asked But Declined</td><td>The source was asked but declined to answer.</td><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><td>Using &quot;masked&quot; 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.</td></tr><tr><td>1</td><td style=\"white-space:nowrap\">not-applicable<a name=\"data-absent-reason-not-applicable\"> </a></td><td>Not Applicable</td><td>There is no proper value for this element (e.g. last menstrual period for a male).</td><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><td/></tr><tr><td>1</td><td style=\"white-space:nowrap\">as-text<a name=\"data-absent-reason-as-text\"> </a></td><td>As Text</td><td>The content of the data is represented in the resource narrative.</td><td>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.</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><td/></tr><tr><td>2</td><td style=\"white-space:nowrap\">\u00a0\u00a0not-a-number<a name=\"data-absent-reason-not-a-number\"> </a></td><td>Not a Number (NaN)</td><td>The numeric value is undefined or unrepresentable due to a floating point processing error.</td><td>This is sometimes an output value from measuring devices.</td></tr><tr><td>2</td><td style=\"white-space:nowrap\">\u00a0\u00a0negative-infinity<a name=\"data-absent-reason-negative-infinity\"> </a></td><td>Negative Infinity (NINF)</td><td>The numeric value is excessively low and unrepresentable due to a floating point processing        error.</td><td>This is sometimes an output value from measuring devices.</td></tr><tr><td>2</td><td style=\"white-space:nowrap\">\u00a0\u00a0positive-infinity<a name=\"data-absent-reason-positive-infinity\"> </a></td><td>Positive Infinity (PINF)</td><td>The numeric value is excessively high and unrepresentable due to a floating point processing        error.</td><td>This is sometimes an output value from measuring devices.</td></tr><tr><td>1</td><td style=\"white-space:nowrap\">not-performed<a name=\"data-absent-reason-not-performed\"> </a></td><td>Not Performed</td><td>The value is not available because the observation procedure (test, etc.) was not performed.</td><td/></tr><tr><td>1</td><td style=\"white-space:nowrap\">not-permitted<a name=\"data-absent-reason-not-permitted\"> </a></td><td>Not Permitted</td><td>The value is not permitted in this context (e.g. due to profiles, or the base data types).</td><td>This is most often associated with required bindings that do not include the actual code        used, but may be used with other data types.</td></tr></table></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "oo"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
      "valueCode" : "4.0.0"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 5
    }
  ],
  "url" : "http://terminology.hl7.org/CodeSystem/data-absent-reason",
  "identifier" : [
    {
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.4.642.4.1048"
    }
  ],
  "version" : "1.0.0",
  "name" : "DataAbsentReason",
  "title" : "DataAbsentReason",
  "status" : "active",
  "experimental" : false,
  "date" : "2019-11-01T09:29:23+11:00",
  "publisher" : "Health Level Seven International",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://hl7.org"
        },
        {
          "system" : "email",
          "value" : "hq@HL7.org"
        }
      ]
    }
  ],
  "description" : "Used to specify why the normally expected content of the data element is missing.",
  "copyright" : "This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license",
  "caseSensitive" : true,
  "valueSet" : "http://hl7.org/fhir/ValueSet/data-absent-reason",
  "content" : "complete",
  "concept" : [
    {
      "code" : "unknown",
      "display" : "Unknown",
      "definition" : "The value is expected to exist but is not known.",
      "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."
        }
      ]
    },
    {
      "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."
        }
      ],
      "code" : "masked",
      "display" : "Masked",
      "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."
    },
    {
      "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."
        }
      ],
      "code" : "as-text",
      "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" : [
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
              "valueString" : "This is sometimes an output value from measuring devices."
            }
          ],
          "code" : "not-a-number",
          "display" : "Not a Number (NaN)",
          "definition" : "The numeric value is undefined or unrepresentable due to a floating point processing error."
        },
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
              "valueString" : "This is sometimes an output value from measuring devices."
            }
          ],
          "code" : "negative-infinity",
          "display" : "Negative Infinity (NINF)",
          "definition" : "The numeric value is excessively low and unrepresentable due to a floating point processing        error."
        },
        {
          "extension" : [
            {
              "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
              "valueString" : "This is sometimes an output value from measuring devices."
            }
          ],
          "code" : "positive-infinity",
          "display" : "Positive Infinity (PINF)",
          "definition" : "The numeric value is excessively high and unrepresentable due to a floating point processing        error."
        }
      ]
    },
    {
      "code" : "not-performed",
      "display" : "Not Performed",
      "definition" : "The value is not available because the observation procedure (test, etc.) was not performed."
    },
    {
      "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."
        }
      ],
      "code" : "not-permitted",
      "display" : "Not Permitted",
      "definition" : "The value is not permitted in this context (e.g. due to profiles, or the base data types)."
    }
  ]
}