This page is part of the HL7 Terminology (v4.0.0: 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 
: SpecialValues - XML Representation
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<CodeSystem xmlns="http://hl7.org/fhir">
<id value="special-values"/>
<meta>
<lastUpdated value="2020-04-09T21:10:28.568+00:00"/>
</meta>
<text>
<status value="extensions"/>
<div xmlns="http://www.w3.org/1999/xhtml"><p>This code system <code>http://terminology.hl7.org/CodeSystem/special-values</code> defines the following codes:</p><table class="codes"><tr><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 style="white-space:nowrap">true<a name="special-values-true"> </a></td><td>true</td><td>Boolean true.</td><td/></tr><tr><td style="white-space:nowrap">false<a name="special-values-false"> </a></td><td>false</td><td>Boolean false.</td><td/></tr><tr><td style="white-space:nowrap">trace<a name="special-values-trace"> </a></td><td>Trace Amount Detected</td><td>The content is greater than zero, but too small to be quantified.</td><td/></tr><tr><td style="white-space:nowrap">sufficient<a name="special-values-sufficient"> </a></td><td>Sufficient Quantity</td><td>The specific quantity is not known, but is known to be non-zero and is not specified because it makes up the bulk of the material.</td><td>used in formulations (e.g. 'Add 10mg of ingredient X, 50mg of ingredient Y, and sufficient quantity of water to 100mL.' This code would be used to express the quantity of water. )</td></tr><tr><td style="white-space:nowrap">withdrawn<a name="special-values-withdrawn"> </a></td><td>Value Withdrawn</td><td>The value is no longer available.</td><td/></tr><tr><td style="white-space:nowrap">nil-known<a name="special-values-nil-known"> </a></td><td>Nil Known</td><td>The are no known applicable values in this context.</td><td>The existence of this subject to review</td></tr></table></div>
</text>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
<valueCode value="fhir"/>
</extension>
<url value="http://terminology.hl7.org/CodeSystem/special-values"/>
<identifier>
<system value="urn:ietf:rfc:3986"/>
<value value="urn:oid:2.16.840.1.113883.4.642.1.1049"/>
</identifier>
<version value="0.1.0"/>
<name value="SpecialValues"/>
<title value="SpecialValues"/>
<status value="draft"/>
<experimental value="false"/>
<date value="2020-04-09T21:10:28+00:00"/>
<description
value="A set of generally useful codes defined so they can be included in value sets."/>
<caseSensitive value="true"/>
<valueSet value="http://terminology.hl7.org/ValueSet/special-values"/>
<content value="complete"/>
<concept>
<code value="true"/>
<display value="true"/>
<definition value="Boolean true."/>
</concept>
<concept>
<code value="false"/>
<display value="false"/>
<definition value="Boolean false."/>
</concept>
<concept>
<code value="trace"/>
<display value="Trace Amount Detected"/>
<definition
value="The content is greater than zero, but too small to be quantified."/>
</concept>
<concept>
<extension
url="http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments">
<valueString
value="used in formulations (e.g. 'Add 10mg of ingredient X, 50mg of ingredient Y, and sufficient quantity of water to 100mL.' This code would be used to express the quantity of water. )"/>
</extension>
<code value="sufficient"/>
<display value="Sufficient Quantity"/>
<definition
value="The specific quantity is not known, but is known to be non-zero and is not specified because it makes up the bulk of the material."/>
</concept>
<concept>
<code value="withdrawn"/>
<display value="Value Withdrawn"/>
<definition value="The value is no longer available."/>
</concept>
<concept>
<extension
url="http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments">
<valueString value="The existence of this subject to review"/>
</extension>
<code value="nil-known"/>
<display value="Nil Known"/>
<definition value="The are no known applicable values in this context."/>
</concept>
</CodeSystem>
