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

Code Display Definition
primary-human-use Primary human use Human-friendly main or official abstract
primary-machine-use Primary machine use Machine-friendly main or official abstract
truncated Truncated Truncated abstract
short-abstract Short abstract Brief abstract, for use when abstracts are provided in different sizes or lengths
long-abstract Long abstract Long version of the abstract, for use when abstracts are provided in different sizes or lengths
plain-language Plain language Additional form of abstract written for the general public
different-publisher Different publisher for abstract Abstract produced by a different publisher than the cited artifact
language Different language Additional form of abstract in a different language
autotranslated Different language derived from autotranslation Machine translated form of abstract in a different language, language element codes the language into which it was translated by machine
duplicate-pmid Different text in additional Medline entry Alternative form of abstract in two or more Medline entries
earlier-abstract Different text in an earlier version Alternative form of abstract in an earlier version such as epub ahead of print
<status value="active"/> <experimental value="false"/> <date value="2020-12-28T16:55:11+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="Used to express the reason and specific aspect for the variant abstract, such as language and specific language"/> <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/cited-artifact-abstract-type"/> <content value="complete"/> <concept> <code value="primary-human-use"/> <display value="Primary human use"/> <definition value="Human-friendly main or official abstract"/> </concept> <concept> <code value="primary-machine-use"/> <display value="Primary machine use"/> <definition value="Machine-friendly main or official abstract"/> </concept> <concept> <code value="truncated"/> <display value="Truncated"/> <definition value="Truncated abstract"/> </concept> <concept> <code value="short-abstract"/> <display value="Short abstract"/> <definition value="Brief abstract, for use when abstracts are provided in different sizes or lengths"/> </concept> <concept> <code value="long-abstract"/> <display value="Long abstract"/> <definition value="Long version of the abstract, for use when abstracts are provided in different sizes or lengths"/> </concept> <concept> <code value="plain-language"/> <display value="Plain language"/> <definition value="Additional form of abstract written for the general public"/> </concept> <concept> <code value="different-publisher"/> <display value="Different publisher for abstract"/> <definition value="Abstract produced by a different publisher than the cited artifact"/> </concept> <concept> <code value="language"/> <display value="Different language"/> <definition value="Additional form of abstract in a different language"/> </concept> <concept> <code value="autotranslated"/> <display value="Different language derived from autotranslation"/> <definition value="Machine translated form of abstract in a different language, language element codes the language into which it was translated by machine"/> </concept> <concept> <code value="duplicate-pmid"/> <display value="Different text in additional Medline entry"/> <definition value="Alternative form of abstract in two or more Medline entries"/> </concept> <concept> <code value="earlier-abstract"/> <display value="Different text in an earlier version"/> <definition value="Alternative form of abstract in an earlier version such as epub ahead of print"/> </concept> </CodeSystem>