<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="Value Set of codes that specify the sequencing relationship between the current service request and a related service request(s) specified in the same information model structure."/> <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"/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v2-0503"/> <version value="2.0.0"/> </include> </compose> </ValueSet>