HL7 Terminology (THO)
5.1.0 - Publication
HL7 Terminology (THO)
5.1.0 - Publication
This page is part of the HL7 Terminology (v5.1.0: Release) based on FHIR R4. The current version which supercedes this version is 5.2.0. For a full list of available versions, see the Directory of published versions 
| Active as of 2019-11-01 | Maturity Level: 5 |
{
"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 code system <code>http://terminology.hl7.org/CodeSystem/data-absent-reason</code> defines the following codes:</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\"> asked-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\"> temp-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\"> 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><td/></tr><tr><td>2</td><td style=\"white-space:nowrap\"> asked-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 "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.</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\"> not-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\"> negative-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\"> positive-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" : "0.1.0",
"name" : "DataAbsentReason",
"title" : "DataAbsentReason",
"status" : "active",
"experimental" : false,
"date" : "2019-11-01T09:29:23+11:00",
"description" : "Used to specify why the normally expected content of the data element is missing.",
"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)."
}
]
}
IG © 2020+ HL7 International - Vocabulary Work Group. Package hl7.terminology#5.1.0 based on FHIR 4.0.1. Generated 2023-02-25
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