<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="CareConnect-ConditionRelationship-1" />
  <url value="https://fhir.hl7.org.uk/STU3/CodeSystem/CareConnect-ConditionRelationship-1" />
  <version value="1.0.0" />
  <name value="Care Connect Condition Relationship" />
  <status value="draft" />
  <date value="2017-08-01T00:00:00+00:00" />
  <publisher value="HL7 UK" />
  <description value="A CodeSystem that identifies the kind of relationship that exists with a target condition." />
  <copyright value="Copyright © 2016 HL7 UK" />
  <caseSensitive value="true" />
  <content value="complete" />
  <concept>
    <code value="combined" />
    <display value="Combined" />
    <definition value="This condition is combined/merged with the target condition to form a single logical condition." />
  </concept>
  <concept>
    <code value="grouped" />
    <display value="Grouped" />
    <definition value="This condition is part of a group that includes the target condition as a member of the group." />
  </concept>
  <concept>
    <code value="replaces" />
    <display value="Replaces" />
    <definition value="This condition replaces a previous condition (i.e. a revised diagnosis). The target condition is now obsolete." />
  </concept>
  <concept>
    <code value="evolved-from" />
    <display value="Evolved From" />
    <definition value="This condition has evolved from the target condition." />
  </concept>
  <concept>
    <code value="onset" />
    <display value="Onset" />
    <definition value="This condition follows-on from the target onset condition. Used when specifing a relationship to a previous onset condition when this condition episodicity is Review, Flare or End." />
  </concept>
</CodeSystem>