<status value="active"/> <experimental value="true"/> <date value="2026-03-13T11:04:57+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 that identify the calculation method used to determine the resupply schedule. Used in HL7 Version 2.x messaging in the IVT segment."/> <copyright value="HL7 Inc., 2026"/> <caseSensitive value="true"/> <compositional value="false"/> <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 id="6269"> <code value="D"/> <display value="DOP/DOQ"/> <definition value="DOP/DOQ"/> <property> <code value="comment"/> <valueString value="Corresponds to the theory that calculates the appropriate order point and recommends the quantity to order based on system parameters and historical trends. DOP stands for Dynamic Order Point, and DOQ stands for Dynamic Order Quantity."/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.6"/> </property> </concept> <concept id="6270"> <code value="M"/> <display value="MIN/MAX"/> <definition value="MIN/MAX"/> <property> <code value="comment"/> <valueString value="Corresponds to theory - the quantity recommended is the Order Quantity, less the On Hand Quantity, and less the On Order Quantity. The Order Amount is the desired Maximum On Hand Quantity."/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.6"/> </property> </concept> <concept id="6271"> <code value="O"/> <display value="Override"/> <definition value="Override"/> <property> <code value="comment"/> <valueString value="The quantity recommended is the Order Quantity, less the On Order Quantity. The Order Amount is the amount to order when the On Hand reaches the Order Point."/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.6"/> </property> </concept> </CodeSystem>