This page is part of the FHIR Specification (v3.5.0: R4 Ballot #2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3
Vocabulary Work Group | Maturity Level: N/A | Ballot Status: Informative |
Raw XML (canonical form + also see XML Format Specification)
Definition for Code System CodeSystemHierarchyMeaning
<?xml version="1.0" encoding="UTF-8"?> <CodeSystem xmlns="http://hl7.org/fhir"> <id value="codesystem-hierarchy-meaning"/> <meta> <lastUpdated value="2018-08-19T21:48:56.559+10:00"/> </meta> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"> <h2> CodeSystemHierarchyMeaning</h2> <div> <p> The meaning of the hierarchy of concepts in a code system.</p> </div> <p> This code system http://hl7.org/fhir/codesystem-hierarchy-meaning defines the following codes:</p> <table class="codes"> <tr> <td style="white-space:nowrap"> <b> Code</b> </td> <td> <b> Display</b> </td> <td> <b> Definition</b> </td> </tr> <tr> <td style="white-space:nowrap">grouped-by <a name="codesystem-hierarchy-meaning-grouped-by"> </a> </td> <td> Grouped By</td> <td> No particular relationship between the concepts can be assumed, except what can be determined by inspection of the definitions of the elements (possible reasons to use this: importing from a source where this is not defined, or where various parts of the hierarchy have different meanings).</td> </tr> <tr> <td style="white-space:nowrap">is-a <a name="codesystem-hierarchy-meaning-is-a"> </a> </td> <td> Is-A</td> <td> A hierarchy where the child concepts have an IS-A relationship with the parents - that is, all the properties of the parent are also true for its child concepts. Not that is-a is a property of the concepts, so additional subsumption relationships may be defined using properties or the [subumes](extension-codesystem-subsumes.html) extension.</td> </tr> <tr> <td style="white-space:nowrap">part-of <a name="codesystem-hierarchy-meaning-part-of"> </a> </td> <td> Part Of</td> <td> Child elements list the individual parts of a composite whole (e.g. body site).</td> </tr> <tr> <td style="white-space:nowrap">classified-with <a name="codesystem-hierarchy-meaning-classified-with"> </a> </td> <td> Classified With</td> <td> Child concepts in the hierarchy may have only one parent, and there is a presumption that the code system is a "closed world" meaning all things must be in the hierarchy. This results in concepts such as "not otherwise classified.".</td> </tr> </table> </div> </text> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"> <valueCode value="vocab"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueString value="Normative"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"> <valueInteger value="5"/> </extension> <url value="http://hl7.org/fhir/codesystem-hierarchy-meaning"/> <identifier> <system value="urn:ietf:rfc:3986"/> <value value="urn:oid:2.16.840.1.113883.4.642.1.785"/> </identifier> <version value="3.5.0"/> <name value="CodeSystemHierarchyMeaning"/> <title value="CodeSystemHierarchyMeaning"/> <status value="draft"/> <experimental value="false"/> <date value="2018-08-19T21:48:56+10:00"/> <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="The meaning of the hierarchy of concepts in a code system."/> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/codesystem-hierarchy-meaning"/> <content value="complete"/> <concept> <code value="grouped-by"/> <display value="Grouped By"/> <definition value="No particular relationship between the concepts can be assumed, except what can be determined by inspection of the definitions of the elements (possible reasons to use this: importing from a source where this is not defined, or where various parts of the hierarchy have different meanings)."/> </concept> <concept> <code value="is-a"/> <display value="Is-A"/> <definition value="A hierarchy where the child concepts have an IS-A relationship with the parents - that is, all the properties of the parent are also true for its child concepts. Not that is-a is a property of the concepts, so additional subsumption relationships may be defined using properties or the [subumes](extension-codesystem-subsumes.html) extension."/> </concept> <concept> <code value="part-of"/> <display value="Part Of"/> <definition value="Child elements list the individual parts of a composite whole (e.g. body site)."/> </concept> <concept> <code value="classified-with"/> <display value="Classified With"/> <definition value="Child concepts in the hierarchy may have only one parent, and there is a presumption that the code system is a "closed world" meaning all things must be in the hierarchy. This results in concepts such as "not otherwise classified."."/> </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.