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Vocabulary Work Group | Maturity Level: N/A | Ballot Status: Informative |
Definition for Code System ObservationRelationshipType
<CodeSystem xmlns="http://hl7.org/fhir"> <id value="observation-relationshiptypes"/> <meta> <lastUpdated value="2019-10-24T11:53:00+11:00"/> </meta> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"> <h2> ObservationRelationshipType</h2> <div> <p> Codes specifying how two observations are related.</p> </div> <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="observation-relationshiptypes-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="observation-relationshiptypes-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 the only logical choice when referencing QuestionnaireResponse.</td> </tr> <tr> <td> sequel-to <a name="observation-relationshiptypes-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="observation-relationshiptypes-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="observation-relationshiptypes-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="observation-relationshiptypes-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/structuredefinition-ballot-status"> <valueString value="Informative"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"> <valueInteger value="5"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"> <valueCode value="oo"/> </extension> <url value="http://hl7.org/fhir/observation-relationshiptypes"/> <identifier> <system value="urn:ietf:rfc:3986"/> <value value="urn:oid:2.16.840.1.113883.4.642.1.390"/> </identifier> <version value="3.0.2"/> <name value="ObservationRelationshipType"/> <status value="draft"/> <experimental value="false"/> <date value="2019-10-24T11:53:00+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="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 the 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.