<status value="active"/> <experimental value="false"/> <date value="2014-03-26"/> <description value="Some conditions may be attached to an allowable substitution. An allowable substitution is based on a match to any other attributes that may be specified."/> <compose> <include> <system value="http://terminology.hl7.org/CodeSystem/v3-SubstitutionCondition"/> <filter> <property value="concept"/> <op value="is-a"/> <value value="_Conditional"/> </filter> </include> <exclude> <system value="http://terminology.hl7.org/CodeSystem/v3-SubstitutionCondition"/> <concept> <code value="_Conditional"/> </concept> </exclude> </compose> </ValueSet>

Placeholder