Release 4B Snapshot #1
AdministrationThis page is part of the FHIR Specification (v4.3.0-snapshot1: Release 4B Snapshot #1). 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
| Patient Care Work Group | Maturity Level: N/A | Standards Status: Informative | Compartments: Practitioner |
Raw XML (canonical form + also see XML Format Specification)
StructureDefinition for linkage
<?xml version="1.0" encoding="UTF-8"?> <StructureDefinition xmlns="http://hl7.org/fhir"> <id value="Linkage"/> <meta> <lastUpdated value="2021-12-20T14:08:35.086+11:00"/> </meta> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"> <table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"> <tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"> <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="formats.html#table" title="The logical name of the element">Name</a> </th> <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="formats.html#table" title="Information about the use of the element">Flags</a> </th> <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="formats.html#table" title="Minimum and Maximum # of times the the element can appear in the instance">Card.</a> </th> <th class="hierarchy" style="width: 100px"> <a href="formats.html#table" title="Reference to the type of the element">Type</a> </th> <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="formats.html#table" title="Additional information about the element">Description & Constraints</a> <span style="float: right"> <a href="formats.html#table" title="Legend for this format"> <img alt="doco" src="help16.png" style="background-color: inherit"/> </a> </span> </th> </tr> <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVBORw0KGg oAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAwEwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVW FQIBRHMicAAAAAElFTkSuQmCC)"> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAACCE lEQVQ4y4XTv2sUQRTA8e9Mzt3kjoOLSXFgZ6GJQlALCysLC89OsLTXv0VFxE4stRAEQUghSWEXuM4qMZpATsUD70dyMdnduZ15z2I vMV5IfDDNm5nPm59GVTkpms1mTVXvhxDuichlEZn03m+KyJL3/mWj0fiKqp7YVlZWXrfbbR2PTqeji4uLn1WVEqdECKFRr9eP5Wdn Z/HeXwROB0TEA3S7XarVKiLC1tYW8/PzeO/5LxBCUABrLXEc02q1KJfLB30F0P144dPU9LVL1kwcrU06WP0ewhML4JwDYDgcHo7I8 7wAjNq5ypU3Z8arT8F5u/xejw52zmGM+Rcg1wyIcc/BTYCdBlODyh3ElA1AHMekaUoURURRBECWZSNgaGzBxxAU9jfQ9jrJr2dcbb XobRYHlQAzo9X1gDR9+KUArE6CwLefZD9WCW6P0uRZKreXqADkHXZ3dshzjwRholJH397AOXcTwHTfzQ1n7q6NnYEAy+DWQVNwKWQ J6vcx557Se7HAzIN1M9rCwVteA/rAYDRRICQgSZEr7WLYO3bzJVJGQBu0D74PkoHkoBnIHvjfkO9AGABmDHCjFWgH8i7kPQh9yEeY H4DfLhBJgA2A7BBQJ9uwXWY3rhJqFo1AaiB1CBngwKZQcqAeSFSduL9Akj7qPF64jnALS5VTPwdgPwwJ+uog9Qcx4kRZiPKqxgAAA ABJRU5ErkJggg==" style="background-color: white; background-color: inherit" title="Resource"/> <span title="Linkage : Identifies two or more records (resource instances) that refer to the same real-world "occurrence".">Linkage</span> <a name="Linkage"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="versions.html#std-process" style="padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color: black; background-color: #fff5e6" title="Standards Status = Trial Use">TU</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="domainresource.html">DomainResource</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Links records for 'same' item <br/> <span style="font-style: italic" title="lnk-1">+ Rule: Must have at least two items</span> <br/> Elements defined in Ancestors: <a href="resource.html#Resource" title="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.">id</a> , <a href="resource.html#Resource" title="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.">meta</a> , <a href="resource.html#Resource" title="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.">implicitRules</a> , <a href="resource.html#Resource" title="The base language in which the resource is written.">language</a> , <a href="domainresource.html#DomainResource" title="A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.">text</a> , <a href="domainresource.html#DomainResource" title="These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.">contained</a> , <a href="domainresource.html#DomainResource" title="May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.">extension</a> , <a href="domainresource.html#DomainResource" title="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).">modifierExtension</a> </td> </tr> <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVB ORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAwEwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEA ADClAVWFQIBRHMicAAAAAElFTkSuQmCC)"> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7 /2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARk lEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvT RgwAAAABJRU5ErkJggg==" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/> <span title="Linkage.active : Indicates whether the asserted set of linkages are considered to be "in effect".">active</span> <a name="Linkage.active"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="datatypes.html#boolean">boolean</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Whether this linkage assertion is active or not</td> </tr> <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVBORw0KGg oAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAwEwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVW FQIBRHMicAAAAAElFTkSuQmCC)"> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7 /2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjw v8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjEE OACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQK lQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/> <span title="Linkage.author : Identifies the user or organization responsible for asserting the linkages as well as the user or organization who establishes the context in which the nature of each linkage is evaluated.">author</span> <a name="Linkage.author"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="references.html#Reference">Reference</a> ( <a href="practitioner.html">Practitioner</a> | <a href="practitionerrole.html">PractitionerRole</a> | <a href="organization.html">Organization</a> ) </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Who is responsible for linkages</td> </tr> <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVB ORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAJUlEQVR4Xu3IIQEAAAgDsHd9/w4EQIOamFnaBgAA4MMKAACAKwNp30Cq ZFfFmwAAAABJRU5ErkJggg==)"> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUOL +O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,R0lGODlhEAAQAPQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw/ npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///wD/ACH5BAEKAB8ALAAAAAAQABAAAAVl4CeOZGm e5qCqqDg8jyVJaz1876DsmAQAgqDgltspMEhMJoMZ4iy6I1AooFCIv+wKybziALVAoAEjYLwDgGIpJhMslgxaLR4/3rMAWoBp32V5 exg8Shl1ckRUQVaMVkQ2kCstKCEAOw==" style="background-color: #F7F7F7; background-color: inherit" title="Element"/> <span title="Linkage.item : Identifies which record considered as the reference to the same real-world occurrence as well as how the items should be evaluated within the collection of linked items.">item</span> <a name="Linkage.item"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element has or is affected by some invariants">I</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..*</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="backboneelement.html">BackboneElement</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Item to be linked <br/> </td> </tr> <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVBORw0KGg oAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALElEQVR4Xu3IsQ0AIAwEsez6+89AqKGGJj7JzVWS+mm3zgcAAMxwDQAAgFcaYAV AgNGLTjgAAAAASUVORK5CYII=)"> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiYF CMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7 /2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARk lEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvT RgwAAAABJRU5ErkJggg==" style="background-color: white; background-color: inherit" title="Primitive Data Type"/> <span title="Linkage.item.type : Distinguishes which item is "source of truth" (if any) and which items are no longer considered to be current representations.">type</span> <a name="Linkage.item.type"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="datatypes.html#code">code</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">source | alternate | historical <br/> <a href="valueset-linkage-type.html">LinkageType</a> ( <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set.">Required</a> ) </td> </tr> <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data:image/png;base64,iVB ORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAJUlEQVR4Xu3IIQEAAAgDsHd9/w4EQIOamFnaBgAA4MMKAACAKwNp30Cq ZFfFmwAAAABJRU5ErkJggg==)"> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiYF CMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUOL +O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjw v8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjEE OACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQK lQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: #F7F7F7; background-color: inherit" title="Reference to another Resource"/> <span title="Linkage.item.resource : The resource instance being linked as part of the group.">resource</span> <a name="Linkage.item.resource"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is included in summaries">Σ</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"> <a href="references.html#Reference">Reference</a> ( <a href="resourcelist.html">Any</a> ) </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Resource being linked</td> </tr> <tr> <td class="hierarchy" colspan="5"> <br/> <a href="formats.html#table" title="Legend for this format"> <img alt="doco" src="help16.png" style="background-color: inherit"/> Documentation for this format </a> </td> </tr> </table> </div> </text> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueCode value="trial-use"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"> <valueInteger value="0"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category"> <valueCode value="patient"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"> <valueCode value="pc"/> </extension> <url value="http://hl7.org/fhir/StructureDefinition/Linkage"/> <version value="4.3.0-snapshot1"/> <name value="Linkage"/> <status value="draft"/> <date value="2021-12-20T14:08:35+11:00"/> <publisher value="Health Level Seven International (Patient Care)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> </contact> <contact> <telecom> <system value="url"/> <value value="http://www.hl7.org/Special/committees/patientcare/index.cfm"/> </telecom> </contact> <description value="Identifies two or more records (resource instances) that refer to the same real-world "occurrence"."/> <fhirVersion value="4.3.0-snapshot1"/> <mapping> <identity value="rim"/> <uri value="http://hl7.org/v3"/> <name value="RIM Mapping"/> </mapping> <mapping> <identity value="w5"/> <uri value="http://hl7.org/fhir/fivews"/> <name value="FiveWs Pattern Mapping"/> </mapping> <kind value="resource"/> <abstract value="false"/> <type value="Linkage"/> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> <derivation value="specialization"/> <snapshot> <element id="Linkage"> <path value="Linkage"/> <short value="Links records for 'same' item"/> <definition value="Identifies two or more records (resource instances) that refer to the same real-world "occurrence"."/> <min value="0"/> <max value="*"/> <base> <path value="Linkage"/> <min value="0"/> <max value="*"/> </base> <constraint> <key value="dom-2"/> <severity value="error"/> <human value="If the resource is contained in another resource, it SHALL NOT contain nested Resources"/> <expression value="contained.contained.empty()"/> <xpath value="not(parent::f:contained and f:contained)"/> <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> </constraint> <constraint> <key value="dom-3"/> <severity value="error"/> <human value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource"/> <expression value="contained.where(((id.exists() and ('#'+id in (%resource.descendants().reference | %resource.descenda nts().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url)))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(uri) = '#').exists()).not()).trace('unmatched', id).empty()"/> <xpath value="not(exists(for $resource in . return (for $contained in $resource/f:contained return $contained[not( descendant::f:*/@value='#' or (exists(f:id) and $resource//f:*/@*=concat('#', $contained/*/f:id/@valu e)))])))"/> <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> </constraint> <constraint> <key value="dom-4"/> <severity value="error"/> <human value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated"/> <expression value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"/> <xpath value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))"/> <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> </constraint> <constraint> <key value="dom-5"/> <severity value="error"/> <human value="If a resource is contained in another resource, it SHALL NOT have a security label"/> <expression value="contained.meta.security.empty()"/> <xpath value="not(exists(f:contained/*/f:meta/f:security))"/> <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> </constraint> <constraint> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice"> <valueBoolean value="true"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation"> <valueMarkdown value="When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time."/> </extension> <key value="dom-6"/> <severity value="warning"/> <human value="A resource should have narrative for robust management"/> <expression value="text.`div`.exists()"/> <xpath value="exists(f:text/h:div)"/> <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> </constraint> <constraint> <key value="lnk-1"/> <severity value="error"/> <human value="Must have at least two items"/> <expression value="item.count()>1"/> <xpath value="count(f:item)>1"/> <source value="http://hl7.org/fhir/StructureDefinition/Linkage"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="Entity. Role, or Act"/> </mapping> <mapping> <identity value="rim"/> <map value="N/A - RIM doesn't know how to do this"/> </mapping> <mapping> <identity value="w5"/> <map value="infrastructure.structure"/> </mapping> </element> <element id="Linkage.id"> <path value="Linkage.id"/> <short value="Logical id of this artifact"/> <definition value="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes."/> <comment value="The only time that a resource does not have an id is when it is being submitted to the server using a create operation."/> <min value="0"/> <max value="1"/> <base> <path value="Resource.id"/> <min value="0"/> <max value="1"/> </base> <!-- Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic (j) --> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="id"/> </extension> <code value="http://hl7.org/fhirpath/System.String"/> </type> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> </element> <element id="Linkage.meta"> <path value="Linkage.meta"/> <short value="Metadata about the resource"/> <definition value="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource."/> <min value="0"/> <max value="1"/> <base> <path value="Resource.meta"/> <min value="0"/> <max value="1"/> </base> <type> <code value="Meta"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> </element> <element id="Linkage.implicitRules"> <path value="Linkage.implicitRules"/> <short value="A set of rules under which this content was created"/> <definition value="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc."/> <comment value="Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc."/> <min value="0"/> <max value="1"/> <base> <path value="Resource.implicitRules"/> <min value="0"/> <max value="1"/> </base> <type> <code value="uri"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="true"/> <isModifierReason value="This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation"/> <isSummary value="true"/> </element> <element id="Linkage.language"> <path value="Linkage.language"/> <short value="Language of the resource content"/> <definition value="The base language in which the resource is written."/> <comment value="Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)."/> <min value="0"/> <max value="1"/> <base> <path value="Resource.language"/> <min value="0"/> <max value="1"/> </base> <type> <code value="code"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <binding> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet"> <valueCanonical value="http://hl7.org/fhir/ValueSet/all-languages"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"> <valueString value="Language"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding"> <valueBoolean value="true"/> </extension> <strength value="preferred"/> <description value="IETF language tag"/> <valueSet value="http://hl7.org/fhir/ValueSet/languages"/> </binding> </element> <element id="Linkage.text"> <path value="Linkage.text"/> <short value="Text summary of the resource, for human interpretation"/> <definition value="A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety."/> <comment value="Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied). This may be necessary for data from legacy systems where information is captured as a "text blob" or where text is additionally entered raw or narrated and encoded information is added later."/> <alias value="narrative"/> <alias value="html"/> <alias value="xhtml"/> <alias value="display"/> <min value="0"/> <max value="1"/> <base> <path value="DomainResource.text"/> <min value="0"/> <max value="1"/> </base> <type> <code value="Narrative"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="Act.text?"/> </mapping> </element> <element id="Linkage.contained"> <path value="Linkage.contained"/> <short value="Contained, inline Resources"/> <definition value="These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope."/> <comment value="This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels."/> <alias value="inline resources"/> <alias value="anonymous resources"/> <alias value="contained resources"/> <min value="0"/> <max value="*"/> <base> <path value="DomainResource.contained"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Resource"/> </type> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element id="Linkage.extension"> <path value="Linkage.extension"/> <short value="Additional content defined by implementations"/> <definition value="May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/> <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/> <alias value="extensions"/> <alias value="user content"/> <min value="0"/> <max value="*"/> <base> <path value="DomainResource.extension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <constraint> <key value="ext-1"/> <severity value="error"/> <human value="Must have either extensions or value[x], not both"/> <expression value="extension.exists() != value.exists()"/> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])"/> <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element id="Linkage.modifierExtension"> <path value="Linkage.modifierExtension"/> <short value="Extensions that cannot be ignored"/> <definition value="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/> <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/> <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.ht ml#modifierExtension)."/> <alias value="extensions"/> <alias value="user content"/> <min value="0"/> <max value="*"/> <base> <path value="DomainResource.modifierExtension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <constraint> <key value="ext-1"/> <severity value="error"/> <human value="Must have either extensions or value[x], not both"/> <expression value="extension.exists() != value.exists()"/> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])"/> <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> </constraint> <mustSupport value="false"/> <isModifier value="true"/> <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element id="Linkage.active"> <path value="Linkage.active"/> <short value="Whether this linkage assertion is active or not"/> <definition value="Indicates whether the asserted set of linkages are considered to be "in effect"."/> <comment value="If false, any asserted linkages should not be considered current/relevant/applicable."/> <requirements value="Need to be able to mark a linkage record as not to be used because it was created in error."/> <min value="0"/> <max value="1"/> <base> <path value="Linkage.active"/> <min value="0"/> <max value="1"/> </base> <type> <code value="boolean"/> </type> <meaningWhenMissing value="This resource is generally assumed to be active if no value is provided for the active element"/> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="w5"/> <map value="FiveWs.status"/> </mapping> </element> <element id="Linkage.author"> <path value="Linkage.author"/> <short value="Who is responsible for linkages"/> <definition value="Identifies the user or organization responsible for asserting the linkages as well as the user or organization who establishes the context in which the nature of each linkage is evaluated."/> <requirements value=""Primary" for the same set of linked resources may be different from different user's/organization's perspectives."/> <min value="0"/> <max value="1"/> <base> <path value="Linkage.author"/> <min value="0"/> <max value="1"/> </base> <type> <code value="Reference"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="w5"/> <map value="FiveWs.author"/> </mapping> </element> <element id="Linkage.item"> <path value="Linkage.item"/> <short value="Item to be linked"/> <definition value="Identifies which record considered as the reference to the same real-world occurrence as well as how the items should be evaluated within the collection of linked items."/> <min value="1"/> <max value="*"/> <base> <path value="Linkage.item"/> <min value="1"/> <max value="*"/> </base> <type> <code value="BackboneElement"/> </type> <condition value="lnk-1"/> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children unless an empty Parameters resource"/> <expression value="hasValue() or (children().count() > id.count()) or $this is Parameters"/> <xpath value="@value|f:*|h:div|self::f:Parameters"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> </element> <element id="Linkage.item.id"> <path value="Linkage.item.id"/> <representation value="xmlAttr"/> <short value="Unique id for inter-element referencing"/> <definition value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/> <min value="0"/> <max value="1"/> <base> <path value="Element.id"/> <min value="0"/> <max value="1"/> </base> <!-- Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic (j) --> <type> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"> <valueUrl value="id"/> </extension> <code value="http://hl7.org/fhirpath/System.String"/> </type> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element id="Linkage.item.extension"> <path value="Linkage.item.extension"/> <short value="Additional content defined by implementations"/> <definition value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/> <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/> <alias value="extensions"/> <alias value="user content"/> <min value="0"/> <max value="*"/> <base> <path value="Element.extension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <constraint> <key value="ext-1"/> <severity value="error"/> <human value="Must have either extensions or value[x], not both"/> <expression value="extension.exists() != value.exists()"/> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])"/> <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> </constraint> <isModifier value="false"/> <isSummary value="false"/> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element id="Linkage.item.modifierExtension"> <path value="Linkage.item.modifierExtension"/> <short value="Extensions that cannot be ignored even if unrecognized"/> <definition value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions. Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/> <comment value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/> <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.ht ml#modifierExtension)."/> <alias value="extensions"/> <alias value="user content"/> <alias value="modifiers"/> <min value="0"/> <max value="*"/> <base> <path value="BackboneElement.modifierExtension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <constraint> <key value="ext-1"/> <severity value="error"/> <human value="Must have either extensions or value[x], not both"/> <expression value="extension.exists() != value.exists()"/> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])"/> <source value="http://hl7.org/fhir/StructureDefinition/Extension"/> </constraint> <isModifier value="true"/> <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/> <isSummary value="true"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element id="Linkage.item.type"> <path value="Linkage.item.type"/> <short value="source | alternate | historical"/> <definition value="Distinguishes which item is "source of truth" (if any) and which items are no longer considered to be current representations."/> <min value="1"/> <max value="1"/> <base> <path value="Linkage.item.type"/> <min value="1"/> <max value="1"/> </base> <type> <code value="code"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <binding> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"> <valueString value="LinkageType"/> </extension> <strength value="required"/> <description value="Used to distinguish different roles a resource can play within a set of linked resources."/> <valueSet value="http://hl7.org/fhir/ValueSet/linkage-type|4.3.0-snapshot1"/> </binding> </element> <element id="Linkage.item.resource"> <path value="Linkage.item.resource"/> <short value="Resource being linked"/> <definition value="The resource instance being linked as part of the group."/> <min value="1"/> <max value="1"/> <base> <path value="Linkage.item.resource"/> <min value="1"/> <max value="1"/> </base> <type> <code value="Reference"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Resource"/> </type> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="hasValue() or (children().count() > id.count())"/> <xpath value="@value|f:*|h:div"/> <source value="http://hl7.org/fhir/StructureDefinition/Element"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> </element> </snapshot> <differential> <element id="Linkage"> <path value="Linkage"/> <short value="Links records for 'same' item"/> <definition value="Identifies two or more records (resource instances) that refer to the same real-world "occurrence"."/> <min value="0"/> <max value="*"/> <constraint> <key value="lnk-1"/> <severity value="error"/> <human value="Must have at least two items"/> <expression value="item.count()>1"/> <xpath value="count(f:item)>1"/> <source value="http://hl7.org/fhir/StructureDefinition/Linkage"/> </constraint> <mustSupport value="false"/> <isModifier value="false"/> <mapping> <identity value="rim"/> <map value="N/A - RIM doesn't know how to do this"/> </mapping> <mapping> <identity value="w5"/> <map value="infrastructure.structure"/> </mapping> </element> <element id="Linkage.active"> <path value="Linkage.active"/> <short value="Whether this linkage assertion is active or not"/> <definition value="Indicates whether the asserted set of linkages are considered to be "in effect"."/> <comment value="If false, any asserted linkages should not be considered current/relevant/applicable."/> <requirements value="Need to be able to mark a linkage record as not to be used because it was created in error."/> <min value="0"/> <max value="1"/> <type> <code value="boolean"/> </type> <meaningWhenMissing value="This resource is generally assumed to be active if no value is provided for the active element"/> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="w5"/> <map value="FiveWs.status"/> </mapping> </element> <element id="Linkage.author"> <path value="Linkage.author"/> <short value="Who is responsible for linkages"/> <definition value="Identifies the user or organization responsible for asserting the linkages as well as the user or organization who establishes the context in which the nature of each linkage is evaluated."/> <requirements value=""Primary" for the same set of linked resources may be different from different user's/organization's perspectives."/> <min value="0"/> <max value="1"/> <type> <code value="Reference"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/> </type> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <mapping> <identity value="w5"/> <map value="FiveWs.author"/> </mapping> </element> <element id="Linkage.item"> <path value="Linkage.item"/> <short value="Item to be linked"/> <definition value="Identifies which record considered as the reference to the same real-world occurrence as well as how the items should be evaluated within the collection of linked items."/> <min value="1"/> <max value="*"/> <type> <code value="BackboneElement"/> </type> <condition value="lnk-1"/> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> </element> <element id="Linkage.item.type"> <path value="Linkage.item.type"/> <short value="source | alternate | historical"/> <definition value="Distinguishes which item is "source of truth" (if any) and which items are no longer considered to be current representations."/> <min value="1"/> <max value="1"/> <type> <code value="code"/> </type> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> <binding> <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"> <valueString value="LinkageType"/> </extension> <strength value="required"/> <description value="Used to distinguish different roles a resource can play within a set of linked resources."/> <valueSet value="http://hl7.org/fhir/ValueSet/linkage-type|4.3.0-snapshot1"/> </binding> </element> <element id="Linkage.item.resource"> <path value="Linkage.item.resource"/> <short value="Resource being linked"/> <definition value="The resource instance being linked as part of the group."/> <min value="1"/> <max value="1"/> <type> <code value="Reference"/> <targetProfile value="http://hl7.org/fhir/StructureDefinition/Resource"/> </type> <mustSupport value="false"/> <isModifier value="false"/> <isSummary value="true"/> </element> </differential> </StructureDefinition>
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.
FHIR ®© HL7.org 2011+. FHIR R4B Ballot #1 hl7.fhir.core#4.3.0-snapshot1 generated on Mon, Dec 20, 2021 14:14+1100.
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