This code system http://hl7.org/fhir/artifact-contribution-instance-type defines the following codes:

Code Display Definition
reviewed Reviewed Reviewed
approved Approved Approved
edited Edited Edited
<status value="active"/> <experimental value="false"/> <date value="2021-03-11T10:55:11.085+11:00"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <description value="Artifact Contribution Instance Type"/> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> <code value="001"/> <display value="World"/> </coding> </jurisdiction> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/artifact-contribution-instance-type"/> <content value="complete"/> <concept> <code value="reviewed"/> <display value="Reviewed"/> <definition value="Reviewed"/> </concept> <concept> <code value="approved"/> <display value="Approved"/> <definition value="Approved"/> </concept> <concept> <code value="edited"/> <display value="Edited"/> <definition value="Edited"/> </concept> </CodeSystem>