This page is part of the Breast Radiology Report (v0.1.0: Comment Draft) based on FHIR R4. . For a full list of available versions, see the Directory of published versions
{ "resourceType" : "StructureDefinition", "id" : "obf-datatype-RelationToLandmark-extension", "text" : { "status" : "generated", "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n <p><b>RelationToLandmark Extension</b></p>\n <p>The relationship between a landmark that helps determine a body location and the body location itself. The location relative to a landmark is specified by:\n* Specifying the location and type of landmark using a body site code and optional laterality/orientation,\n* Specifying the direction from the landmark to the body location, and\n* Specifying the distance from the landmark to the body location.\n\nThe RelationToLandmark element is part of BodyLocation, a flexible structure that allows the location to be determined by a single code, or a code plus laterality and/or orientation. The body location can also be specified in relation to one or more body landmarks. SNOMED CT is used in all cases.\n\n* Code only: The code should include (precoordinate) laterality and/orientation to the degree necessary to completely specify the body location.\n* Code plus laterality and/or orientation: The basic code augmented by codes specifying the body side and/or anatomical orientation.\n* Relation to landmark: The location relative to a landmark is specified by:\n1. Establishing the location and type of landmark using a body site code and optional laterality/orientation, and\n2. Specifying the direction and distance from the landmark to the body location.\n\nNote that BodyLocation is a data type (a reusable structure), not a stand-alone entity. The concept is similar to how a postal address can apply to a person, location, or organization. This contrasts with FHIR's stand-alone BodySite (aka BodyStructure in r4) which 'is not ... intended for describing the type of anatomical location but rather a specific body site on a specific patient' (FHIR 3.5).</p>\n</div>" }, "url" : "http://hl7.org/fhir/us/breast-radiology/StructureDefinition/obf-datatype-RelationToLandmark-extension", "version" : "0.1.0", "name" : "RelationToLandmark", "title" : "obf-datatype-RelationToLandmark", "status" : "draft", "date" : "2019-08-02T00:00:00-04:00", "publisher" : "Hl7 - Clinical Interoperability Council", "contact" : [ { "telecom" : [ { "system" : "url", "value" : "http://www.hl7.org/Special/committees/cic" } ] } ], "description" : "The relationship between a landmark that helps determine a body location and the body location itself. The location relative to a landmark is specified by:\n* Specifying the location and type of landmark using a body site code and optional laterality/orientation,\n* Specifying the direction from the landmark to the body location, and\n* Specifying the distance from the landmark to the body location.\n\nThe RelationToLandmark element is part of BodyLocation, a flexible structure that allows the location to be determined by a single code, or a code plus laterality and/or orientation. The body location can also be specified in relation to one or more body landmarks. SNOMED CT is used in all cases.\n\n* Code only: The code should include (precoordinate) laterality and/orientation to the degree necessary to completely specify the body location.\n* Code plus laterality and/or orientation: The basic code augmented by codes specifying the body side and/or anatomical orientation.\n* Relation to landmark: The location relative to a landmark is specified by:\n1. Establishing the location and type of landmark using a body site code and optional laterality/orientation, and\n2. Specifying the direction and distance from the landmark to the body location.\n\nNote that BodyLocation is a data type (a reusable structure), not a stand-alone entity. The concept is similar to how a postal address can apply to a person, location, or organization. This contrasts with FHIR's stand-alone BodySite (aka BodyStructure in r4) which 'is not ... intended for describing the type of anatomical location but rather a specific body site on a specific patient' (FHIR 3.5).", "fhirVersion" : "4.0.0", "kind" : "complex-type", "abstract" : false, "context" : [ { "type" : "element", "expression" : "*" } ], "type" : "Extension", "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension", "derivation" : "constraint", "snapshot" : { "element" : [ { "id" : "Extension", "path" : "Extension", "short" : "RelationToLandmark", "definition" : "The relationship between a landmark that helps determine a body location and the body location itself. 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Establishing the location and type of landmark using a body site code and optional laterality/orientation, and\n2. Specifying the direction and distance from the landmark to the body location.\n\nNote that BodyLocation is a data type (a reusable structure), not a stand-alone entity. The concept is similar to how a postal address can apply to a person, location, or organization. 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