ParameterValue with Coding
<Protocol> <StudySummary> <StudyParameter OID="PAR.INDIC" ShortName="INDIC" Term="Trial Indication"> <ParameterValue Value="Headache"> <Coding Code="D006261" System="https://id.nlm.nih.gov/mesh" SystemName="MESH" SystemVersion="July 2015 International Version"/> <!-- Remark that SNOMED-CT makes a distinction between Migraine (disorder) and Headache (Finding> --> <Coding Code="37796009" System="http://snomed.info/sct" SystemName="SNOMED-CT" SystemVersion="2019.10.03"/> </ParameterValue> </StudyParameter> </StudySummary> <StudyEventRef ...>...</StudyEventRef> ... </Protocol>