<status value="active"/> <experimental value="false"/> <date value="2025-09-01T22:37:04.452239+10:00"/> <publisher value="FHIR Infrastructure"/> <contact> <name value="FHIR Infrastructure"/> <telecom> <system value="url"/> <value value="http://www.hl7.org/Special/committees/fiwg"/> </telecom> </contact> <description value="This cross-version ValueSet represents concepts from http://terminology.hl7.org/ValueSet/v3-ActClassOutbreak|2.0.0 for use in FHIR R4B. Concepts not present here have direct `equivalent` mappings crossing all versions from R5 to R4B."/> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> <code value="001"/> <display value="World"/> </coding> </jurisdiction> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-ActClass"/> <version value="3.1.1"/> <concept> <code value="OUTB"/> <display value="outbreak"/> </concept> </include> </compose> <expansion> <timestamp value="2025-09-01T22:37:04.45224+10:00"/> <contains> <system value="http://terminology.hl7.org/CodeSystem/v3-ActClass"/> <version value="3.1.1"/> <code value="OUTB"/> <display value="outbreak"/> </contains> </expansion> </ValueSet>

Generated Narrative: ValueSet R5-v3-ActClassOutbreak-for-R4B

This value set expansion contains 1 concepts.

Code	System	Display	Definition
OUTB	http://terminology.hl7.org/CodeSystem/v3-ActClass	outbreak	An outbreak represents a series of public health cases. The date on which an outbreak starts is the earliest date of onset among the cases assigned to the outbreak, and its ending date is the last date of onset among the cases assigned to the outbreak.