This page is part of the FHIR Specification (v1.4.0: STU 3 Ballot 3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions
Definition for Code System ObservationRelationshipType
<CodeSystem xmlns="http://hl7.org/fhir"> <id value="observation-relationshiptypes"/> <meta> <lastUpdated value="2016-03-31T08:01:25.570+11:00"/> </meta> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"> <h2>ObservationRelationshipType</h2> <p>Codes specifying how two observations are related.</p> <p>This code system http://hl7.org/fhir/observation-relationshiptypes defines the following codes:</p> <table class="codes"> <tr> <td> <b>Code</b> </td> <td> <b>Display</b> </td> <td> <b>Definition</b> </td> </tr> <tr> <td>has-member <a name="has-member"> </a> </td> <td>Has Member</td> <td>This observation is a group observation (e.g. a battery, a panel of tests, a set of vital sign measurements) that includes the target as a member of the group.</td> </tr> <tr> <td>derived-from <a name="derived-from"> </a> </td> <td>Derived From</td> <td>The target resource (Observation or QuestionnaireResponse) is part of the information from which this observation value is derived. (e.g. calculated anion gap, Apgar score) NOTE: "derived-from" is only logical choice when referencing QuestionnaireResponse.</td> </tr> <tr> <td>sequel-to <a name="sequel-to"> </a> </td> <td>Sequel To</td> <td>This observation follows the target observation (e.g. timed tests such as Glucose Tolerance Test).</td> </tr> <tr> <td>replaces <a name="replaces"> </a> </td> <td>Replaces</td> <td>This observation replaces a previous observation (i.e. a revised value). The target observation is now obsolete.</td> </tr> <tr> <td>qualified-by <a name="qualified-by"> </a> </td> <td>Qualified By</td> <td>The value of the target observation qualifies (refines) the semantics of the source observation (e.g. a lipemia measure target from a plasma measure).</td> </tr> <tr> <td>interfered-by <a name="interfered-by"> </a> </td> <td>Interfered By</td> <td>The value of the target observation interferes (degrades quality, or prevents valid observation) with the semantics of the source observation (e.g. a hemolysis measure target from a plasma potassium measure which has no value).</td> </tr> </table> </div> </text> <extension url="http://hl7.org/fhir/StructureDefinition/valueset-oid"> <valueUri value="urn:oid:2.16.840.1.113883.4.642.1.220"/> </extension> <url value="http://hl7.org/fhir/observation-relationshiptypes"/> <version value="1.4.0"/> <name value="ObservationRelationshipType"/> <status value="draft"/> <experimental value="false"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="other"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <date value="2016-03-31T08:01:25+11:00"/> <description value="Codes specifying how two observations are related."/> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/observation-relationshiptypes"/> <content value="complete"/> <concept> <code value="has-member"/> <display value="Has Member"/> <definition value="This observation is a group observation (e.g. a battery, a panel of tests, a set of vital sign measurements) that includes the target as a member of the group."/> </concept> <concept> <code value="derived-from"/> <display value="Derived From"/> <definition value="The target resource (Observation or QuestionnaireResponse) is part of the information from which this observation value is derived. (e.g. calculated anion gap, Apgar score) NOTE: "derived-from" is only logical choice when referencing QuestionnaireResponse."/> </concept> <concept> <code value="sequel-to"/> <display value="Sequel To"/> <definition value="This observation follows the target observation (e.g. timed tests such as Glucose Tolerance Test)."/> </concept> <concept> <code value="replaces"/> <display value="Replaces"/> <definition value="This observation replaces a previous observation (i.e. a revised value). The target observation is now obsolete."/> </concept> <concept> <code value="qualified-by"/> <display value="Qualified By"/> <definition value="The value of the target observation qualifies (refines) the semantics of the source observation (e.g. a lipemia measure target from a plasma measure)."/> </concept> <concept> <code value="interfered-by"/> <display value="Interfered By"/> <definition value="The value of the target observation interferes (degrades quality, or prevents valid observation) with the semantics of the source observation (e.g. a hemolysis measure target from a plasma potassium measure which has no value)."/> </concept> </CodeSystem>
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.