<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="v2-0255"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><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>Code</b></td><td><b>URI</b></td><td><b>Type</b></td><td><b>Description</b></td></tr><tr><td>status</td><td>http://terminology.hl7.org/CodeSystem/utg-concept-properties#status</td><td>code</td><td>Status of the concept</td></tr><tr><td>deprecated</td><td>http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecated</td><td>code</td><td>Version of HL7 in which the code was deprecated</td></tr><tr><td>v2-concComment</td><td>http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concComment</td><td>string</td><td>V2 Concept Comment</td></tr><tr><td>HL7usageNotes</td><td>http://terminology.hl7.org/CodeSystem/utg-concept-properties#HL7usageNotes</td><td>string</td><td>HL7 Concept Usage Notes</td></tr></table><p><b>Concepts</b></p><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/v2-0255</code> defines the following codes in a Is-A heirarchy:</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>V2 Concept Comment</b></td><td><b>HL7 Concept Usage Notes</b></td></tr><tr><td style="white-space:nowrap">*<a name="v2-0255-.42"> </a></td><td>(asterisk) Life of the &quot;unit&quot;</td><td>(asterisk) Life of the &quot;unit&quot;</td><td>Used for blood products.</td><td>Deprecated March 2016; use code LU instead.</td></tr><tr><td style="white-space:nowrap">30M<a name="v2-0255-30M"> </a></td><td>30 minutes</td><td>30 minutes</td><td/><td/></tr><tr><td style="white-space:nowrap">1H<a name="v2-0255-1H"> </a></td><td>1 hour</td><td>1 hour</td><td/><td/></tr><tr><td style="white-space:nowrap">2H<a name="v2-0255-2H"> </a></td><td>2 hours</td><td>2 hours</td><td/><td/></tr><tr><td style="white-space:nowrap">2.5H<a name="v2-0255-2.465H"> </a></td><td>2 1/2 hours</td><td>2 1/2 hours</td><td/><td/></tr><tr><td style="white-space:nowrap">3H<a name="v2-0255-3H"> </a></td><td>3 hours</td><td>3 hours</td><td/><td/></tr><tr><td style="white-space:nowrap">4H<a name="v2-0255-4H"> </a></td><td>4 hours</td><td>4 hours</td><td/><td/></tr><tr><td style="white-space:nowrap">5H<a name="v2-0255-5H"> </a></td><td>5 hours</td><td>5 hours</td><td/><td/></tr><tr><td style="white-space:nowrap">6H<a name="v2-0255-6H"> </a></td><td>6 hours</td><td>6 hours</td><td/><td/></tr><tr><td style="white-space:nowrap">7H<a name="v2-0255-7H"> </a></td><td>7 hours</td><td>7 hours</td><td/><td/></tr><tr><td style="white-space:nowrap">8H<a name="v2-0255-8H"> </a></td><td>8 hours</td><td>8 hours</td><td/><td/></tr><tr><td style="white-space:nowrap">12H<a name="v2-0255-12H"> </a></td><td>12 hours</td><td>12 hours</td><td/><td/></tr><tr><td style="white-space:nowrap">24H<a name="v2-0255-24H"> </a></td><td>24 hours</td><td>24 hours</td><td/><td/></tr><tr><td style="white-space:nowrap">2D<a name="v2-0255-2D"> </a></td><td>2 days</td><td>2 days</td><td/><td/></tr><tr><td style="white-space:nowrap">3D<a name="v2-0255-3D"> </a></td><td>3 days</td><td>3 days</td><td/><td/></tr><tr><td style="white-space:nowrap">4D<a name="v2-0255-4D"> </a></td><td>4 days</td><td>4 days</td><td/><td/></tr><tr><td style="white-space:nowrap">5D<a name="v2-0255-5D"> </a></td><td>5 days</td><td>5 days</td><td/><td/></tr><tr><td style="white-space:nowrap">6D<a name="v2-0255-6D"> </a></td><td>6 days</td><td>6 days</td><td/><td/></tr><tr><td style="white-space:nowrap">1W<a name="v2-0255-1W"> </a></td><td>1 week</td><td>1 week</td><td/><td/></tr><tr><td style="white-space:nowrap">2W<a name="v2-0255-2W"> </a></td><td>2 weeks</td><td>2 weeks</td><td/><td/></tr><tr><td style="white-space:nowrap">3W<a name="v2-0255-3W"> </a></td><td>3 weeks</td><td>3 weeks</td><td/><td/></tr><tr><td style="white-space:nowrap">4W<a name="v2-0255-4W"> </a></td><td>4 weeks</td><td>4 weeks</td><td/><td/></tr><tr><td style="white-space:nowrap">1L<a name="v2-0255-1L"> </a></td><td>1 months (30 days)</td><td>1 months (30 days)</td><td/><td/></tr><tr><td style="white-space:nowrap">2L<a name="v2-0255-2L"> </a></td><td>2 months</td><td>2 months</td><td/><td/></tr><tr><td style="white-space:nowrap">3L<a name="v2-0255-3L"> </a></td><td>3 months</td><td>3 months</td><td/><td/></tr><tr><td style="white-space:nowrap">LU<a name="v2-0255-LU"> </a></td><td>Life of the &quot;unit&quot;</td><td>Life of the &quot;unit&quot; (for blood products).</td><td/><td>In a master file update for blood products, no specific duration value can be specified (see OM1-43 “Point Versus Interval” field definition).</td></tr><tr><td style="white-space:nowrap">PT<a name="v2-0255-PT"> </a></td><td>point in time</td><td>To identify measures at a point in time.  This is a synonym for &quot;spot&quot; or &quot;random&quot; as applied to urine measurements.</td><td/><td/></tr></table></div>
  </text>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="inm"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="oo"/>
  </extension>
  <url value="http://terminology.hl7.org/CodeSystem/v2-0255"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.18.150"/>
  </identifier>
  <version value="2.0.0"/>
  <name value="DurationCategories"/>
  <title value="durationCategories"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2019-12-01"/>
  <publisher value="Health Level Seven International"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="hq@HL7.org"/>
    </telecom>
  </contact>
  <description value="Code system of concepts used to classify an observation definition as intended to measure a patient's state at a point in time.  Used in HL7 Version 2.x messaging in the OM1 segment."/>
  <purpose value="Underlying Master Code System for V2 table 0255 (Duration Categories)"/>
  <copyright value="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 value="true"/>
  <valueSet value="http://terminology.hl7.org/ValueSet/v2-0255"/>
  <hierarchyMeaning value="is-a"/>
  <compositional value="false"/>
  <versionNeeded value="false"/>
  <content value="complete"/>
  <property>
    <code value="status"/>
    <uri value="http://terminology.hl7.org/CodeSystem/utg-concept-properties#status"/>
    <description value="Status of the concept"/>
    <type value="code"/>
  </property>
  <property>
    <code value="deprecated"/>
    <uri value="http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecated"/>
    <description value="Version of HL7 in which the code was deprecated"/>
    <type value="code"/>
  </property>
  <property>
    <code value="v2-concComment"/>
    <uri value="http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concComment"/>
    <description value="V2 Concept Comment"/>
    <type value="string"/>
  </property>
  <property>
    <code value="HL7usageNotes"/>
    <uri value="http://terminology.hl7.org/CodeSystem/utg-concept-properties#HL7usageNotes"/>
    <description value="HL7 Concept Usage Notes"/>
    <type value="string"/>
  </property>
  <concept id="2486">
    <code value="*"/>
    <display value="(asterisk) Life of the &quot;unit&quot;"/>
    <definition value="(asterisk) Life of the &quot;unit&quot;"/>
    <property>
      <code value="v2-concComment"/>
      <valueString value="Used for blood products."/>
    </property>
    <property>
      <code value="HL7usageNotes"/>
      <valueString value="Deprecated March 2016; use code LU instead."/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="D"/>
    </property>
  </concept>
  <concept id="2487">
    <code value="30M"/>
    <display value="30 minutes"/>
    <definition value="30 minutes"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2488">
    <code value="1H"/>
    <display value="1 hour"/>
    <definition value="1 hour"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2489">
    <code value="2H"/>
    <display value="2 hours"/>
    <definition value="2 hours"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2490">
    <code value="2.5H"/>
    <display value="2 1/2 hours"/>
    <definition value="2 1/2 hours"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2491">
    <code value="3H"/>
    <display value="3 hours"/>
    <definition value="3 hours"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2492">
    <code value="4H"/>
    <display value="4 hours"/>
    <definition value="4 hours"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2493">
    <code value="5H"/>
    <display value="5 hours"/>
    <definition value="5 hours"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2494">
    <code value="6H"/>
    <display value="6 hours"/>
    <definition value="6 hours"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2495">
    <code value="7H"/>
    <display value="7 hours"/>
    <definition value="7 hours"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2496">
    <code value="8H"/>
    <display value="8 hours"/>
    <definition value="8 hours"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2497">
    <code value="12H"/>
    <display value="12 hours"/>
    <definition value="12 hours"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2498">
    <code value="24H"/>
    <display value="24 hours"/>
    <definition value="24 hours"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2499">
    <code value="2D"/>
    <display value="2 days"/>
    <definition value="2 days"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2500">
    <code value="3D"/>
    <display value="3 days"/>
    <definition value="3 days"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2501">
    <code value="4D"/>
    <display value="4 days"/>
    <definition value="4 days"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2502">
    <code value="5D"/>
    <display value="5 days"/>
    <definition value="5 days"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2503">
    <code value="6D"/>
    <display value="6 days"/>
    <definition value="6 days"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2504">
    <code value="1W"/>
    <display value="1 week"/>
    <definition value="1 week"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2505">
    <code value="2W"/>
    <display value="2 weeks"/>
    <definition value="2 weeks"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2506">
    <code value="3W"/>
    <display value="3 weeks"/>
    <definition value="3 weeks"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2507">
    <code value="4W"/>
    <display value="4 weeks"/>
    <definition value="4 weeks"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2508">
    <code value="1L"/>
    <display value="1 months (30 days)"/>
    <definition value="1 months (30 days)"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2509">
    <code value="2L"/>
    <display value="2 months"/>
    <definition value="2 months"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2510">
    <code value="3L"/>
    <display value="3 months"/>
    <definition value="3 months"/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2511">
    <code value="LU"/>
    <display value="Life of the &quot;unit&quot;"/>
    <definition value="Life of the &quot;unit&quot; (for blood products)."/>
    <property>
      <code value="HL7usageNotes"/>
      <valueString value="In a master file update for blood products, no specific duration value can be specified (see OM1-43 “Point Versus Interval” field definition)."/>
    </property>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
  <concept id="2512">
    <code value="PT"/>
    <display value="point in time"/>
    <definition value="To identify measures at a point in time.  This is a synonym for &quot;spot&quot; or &quot;random&quot; as applied to urine measurements."/>
    <property>
      <code value="status"/>
      <valueCode value="A"/>
    </property>
  </concept>
</CodeSystem>