<status value="active"/> <experimental value="true"/> <date value="2026-03-13T11:11:50+00:00"/> <publisher value="HL7/FO"/> <contact> <name value="HL7/FO"/> <telecom> <system value="url"/> <value value="http://www.hl7.org"/> </telecom> </contact> <description value="Code system of concepts describing the urgency of a request carried in an order. Used in HL7 Version 2.x messaging in timing/quantity; in older versions of the Standard was used in the TQ datatype, but in later versions it is used in the TQ1 segment (which replaced the TQ datatype which has been withdrawn)."/> <copyright value="HL7 Inc., 2026"/> <caseSensitive value="true"/> <compositional value="true"/> <content value="complete"/> <property> <code value="versionIntroduced"/> <uri value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced"/> <description value="version when was this code introduced"/> <type value="string"/> </property> <property> <code value="versionDeprecated"/> <uri value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated"/> <description value="version when was this code deprecated"/> <type value="string"/> </property> <property> <code value="status"/> <uri value="http://hl7.org/fhir/concept-properties#status"/> <description value="A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired"/> <type value="code"/> </property> <property> <code value="comment"/> <uri value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment"/> <description value="A string that provides additional detail pertinent to the use or understanding of the concept"/> <type value="string"/> </property> <property> <code value="usage"/> <uri value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage"/> <description value="usage notes for this code"/> <type value="string"/> </property> <property> <code value="modified"/> <uri value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified"/> <description value="date of last modification"/> <type value="dateTime"/> </property> <concept> <code value="A"/> <display value="ASAP"/> <definition value="ASAP"/> <property> <code value="comment"/> <valueString value="Fill after S orders"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="C"/> <display value="Callback"/> <definition value="Callback"/> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="P"/> <display value="Preop"/> <definition value="Preop"/> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="PRN"/> <display value="As needed"/> <definition value="As needed"/> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="R"/> <display value="Routine"/> <definition value="Routine"/> <property> <code value="comment"/> <valueString value="Default"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="S"/> <display value="Stat"/> <definition value="Stat"/> <property> <code value="comment"/> <valueString value="With highest priority"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="T"/> <display value="Timing critical"/> <definition value="Timing critical"/> <property> <code value="comment"/> <valueString value="A request implying that it is critical to come as close as possible to the requested time, e.g., for a trough anti-microbial level."/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="TD<integer>"/> <display value="Timing critical within <integer> days."/> <definition value="Timing critical within <integer> days."/> <property> <code value="comment"/> <valueString value="This is not a real code, but guidelines how to construct the codes."/> </property> <property> <code value="status"/> <valueCode value="inactive"/> </property> <property> <code value="modified"/> <valueDateTime value="2016-07-11"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="TH<integer>"/> <display value="Timing critical within <integer> hours."/> <definition value="Timing critical within <integer> hours."/> <property> <code value="comment"/> <valueString value="This is not a real code, but guidelines how to construct the codes."/> </property> <property> <code value="status"/> <valueCode value="inactive"/> </property> <property> <code value="modified"/> <valueDateTime value="2016-07-11"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="TL<integer>"/> <display value="Timing critical within <integer> months."/> <definition value="Timing critical within <integer> months."/> <property> <code value="comment"/> <valueString value="This is not a real code, but guidelines how to construct the codes."/> </property> <property> <code value="status"/> <valueCode value="inactive"/> </property> <property> <code value="modified"/> <valueDateTime value="2016-07-11"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="TM<integer>"/> <display value="Timing critical within <integer> minutes."/> <definition value="Timing critical within <integer> minutes."/> <property> <code value="comment"/> <valueString value="This is not a real code, but guidelines how to construct the codes."/> </property> <property> <code value="status"/> <valueCode value="inactive"/> </property> <property> <code value="modified"/> <valueDateTime value="2016-07-11"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="TS<integer>"/> <display value="Timing critical within <integer> seconds."/> <definition value="Timing critical within <integer> seconds."/> <property> <code value="comment"/> <valueString value="This is not a real code, but guidelines how to construct the codes."/> </property> <property> <code value="status"/> <valueCode value="inactive"/> </property> <property> <code value="modified"/> <valueDateTime value="2016-07-11"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="TW<integer>"/> <display value="Timing critical within <integer> weeks."/> <definition value="Timing critical within <integer> weeks."/> <property> <code value="comment"/> <valueString value="This is not a real code, but guidelines how to construct the codes."/> </property> <property> <code value="status"/> <valueCode value="inactive"/> </property> <property> <code value="modified"/> <valueDateTime value="2016-07-11"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> </CodeSystem>