Group.profile.xml - FHIR v5.0.0-draft-final

~~Release 4B~~ R5 Final QA

This page is part of the FHIR Specification ~~(v4.3.0: R4B~~ (v5.0.0-draft-final: Final QA Preview for R5 - ~~STU~~ see ballot notes ). 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 R2

~~Group.profile.xml~~

Example StructureDefinition/Group (XML)

FHIR Infrastructure Work Group

Maturity Level : N/A

Standards Status : Informative

Compartments : Device , Patient , Practitioner

Raw XML ( canonical form + also see XML Format Specification )

Jump past Narrative

StructureDefinition for group

<?xml version="1.0" encoding="UTF-8"?> vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px 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/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCs PVYVAgIJrA/sAAAAASUVORK5CYII=) data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg== 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== Group : Represents a defined collection of entities that may be discussed or acted upon collectively but which are not expected to act collectively, and are not formally or legally recognized; i.e. a collection of entities that isn't an Organization. vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color: black; background-color: #fff5e6 vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4pxGroup of multiple entities Elements defined in Ancestors: The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes., 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., 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., , 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., 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., 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., 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). 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/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6E EQAAgCsPVYVAgIJrA/sAAAAASUVORK5CYII=) data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg== data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7 /2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC data:image/png;base64,R0lGODlhEAAQAPZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQka d4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF/369M2vdaqHRPz 58/HNh/vowufFhfroxO3OkPrluv779tK0e6JzGProwvrow9m4eOnIifPTlPDPkP78+Naxaf3v0/zowfXRi+bFhLWUVv379/rnwPvs zv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjtPbPgrqZW+/QlPz48K2EMv36866OU Pvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6if 3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///wD/ACH5BAEKAH8ALAAAAAAQABAAAAemgH+CgxeFF4OIhBdKGwFChYl/hYw bdkoBPnaQkosbG3d3VEpSUlonUoY1Gzo6QkI8SrGxWBOFG4uySgY5ZWR3PFy2hnaWZXC/PHcPwkpJk1ShoHcxhQEXSUmtFy6+0iSF VResrjoTPDzdcoU+F65CduVU6KAhhQa3F8Tx8nchBoYuqoTLZoAKFRIhqGwqJAULFx0GYpBQeChRIR4TJm6KJMhQRUSBAAA7 vertical-align: top; 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text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4pxperson | animal | practitioner | device | medication | substance ( ) 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/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCs PVYVAgIJrA/sAAAAASUVORK5CYII=) data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg== data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7 /2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARk lEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvT RgwAAAABJRU5ErkJggg== Group.actual : If true, indicates that the resource refers to a specific group of real individuals. 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text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4pxWho or what is in group 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/LjIAAAALElEQVR42u3QwQkAMAwDsezq/WdIO4XJQwa9DTdJpulv258AAMANIgAAADUPYAV AgAJ//usAAAAASUVORK5CYII=) data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg== data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiYF CMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII= data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav7 /2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjw v8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjEE OACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQK lQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC Group.member.entity : A reference to the entity that is a member of the group. Must be consistent with Group.type. 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text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px 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/LjIAAAAI0lEQVR42u3QIQEAAAACIL/6/4MvTAQOkLYBAAB4kAAAANwMad9AqkRjgNAAAAA ASUVORK5CYII=) data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAwN dCABMPwMo2ctnoQAAAABJRU5ErkJggg== data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiYF CMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII= data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3 RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUOL +O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARk lEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4OvT RgwAAAABJRU5ErkJggg== Group.member.inactive : A flag to indicate that the member is no longer in the group, but previously may have been a member. vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px Documentation for this format Represents a defined collection of entities that may be discussed or acted upon collectively but which are not expected to act collectively, and are not formally or legally recognized; i.e. a collection of entities that isn't an Organization. Represents a defined collection of entities that may be discussed or acted upon collectively but which are not expected to act collectively, and are not formally or legally recognized; i.e. a collection of entities that isn't an Organization. If both Group.characteristic and Group.member are present, then the members are the individuals who were found who met the characteristic. It's possible that there might be other candidate members who meet the characteristic and aren't (yet) in the list. All members SHALL have the listed characteristics. 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 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() not(exists(for $contained in f:contained return $contained[not(exists(parent::*/descendant::f:refere nce/@value=concat('#', $contained/*/f:id/@value)) or exists(descendant::f:reference[@value='#']))])) If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated 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. The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes. The only time that a resource does not have an id is when it is being submitted to the server using a create operation. 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. 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. 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. 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 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). 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. 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. 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. 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. Containing new R4B resources within R4 resources may cause interoperability issues if instances are shared with R4 systems ($this is Citation or $this is Evidence or $this is EvidenceReport or $this is EvidenceVariable or $this is MedicinalProductDefinition or $this is PackagedProductDefinition or $this is AdministrableProductDefinition or $this is Ingredient or $this is ClinicalUseDefinition or $this is RegulatedAuthorization or $this is SubstanceDefinition or $this is SubscriptionStatus or $this is SubscriptionTopic) implies (%resource is Citation or %resource is Evidence or %resource is EvidenceReport or %resource is EvidenceVariable or %resource is MedicinalProductDefi nition or %resource is PackagedProductDefinition or %resource is AdministrableProductDefinition or %resource is Ingredient or %resource is ClinicalUseDefinition or %resource is RegulatedAuthorizat ion or %resource is SubstanceDefinition or %resource is SubscriptionStatus or %resource is SubscriptionTopic) not(f:Citation|f:Evidence|f:EvidenceReport|f:EvidenceVariable|f:MedicinalProductDefinition|f:Package dProductDefinition|f:AdministrableProductDefinition|f:Ingredient|f:ClinicalUseDefinition|f:RegulatedA uthorization|f:SubstanceDefinition|f:SubscriptionStatus|f:SubscriptionTopic) or not(parent::f:Citatio n|parent::f:Evidence|parent::f:EvidenceReport|parent::f:EvidenceVariable|parent::f:MedicinalProductDe finition|parent::f:PackagedProductDefinition|parent::f:AdministrableProductDefinition|parent::f:Ingre dient|parent::f:ClinicalUseDefinition|parent::f:RegulatedAuthorization|parent::f:SubstanceDefinition| f:SubscriptionStatus|f:SubscriptionTopic) 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. 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. 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). 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. 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). Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them Indicates whether the record for the group is available for use or is merely being retained for historical purposes. Need to be able to mark a group record as not to be used because it was created in error or is otherwise no longer available (e.g. a herd that no longer exists). This resource is generally assumed to be active if no value is provided for the active element Group members SHALL be of the appropriate resource type (Patient for person or animal; or Practitioner, Device, Medication or Substance for the other types.). person: ./classCode="PSN" animal: ./classCode="ANM" device: ./classCode=" DEV" medication: ./classCode="MMAT" and ./playedRole[isNormalRole() and classCode="THER"] food: ./classCode="FOOD" If true, indicates that the resource refers to a specific group of real individuals. If false, the group defines a set of intended individuals. There are use-cases for groups that define specific collections of individuals, and other groups that define "types" of intended individuals. The requirements for both kinds of groups are similar, so we use a single resource, distinguished by this flag. Provides a specific type of resource the group includes; e.g. "cow", "syringe", etc. Note that the quantity may be less than the number of members if some of the members are not active. Entity responsible for defining and maintaining Group characteristics and/or registered members. This does not strictly align with ownership of a herd or flock, but may suffice to represent that relationship in simple cases. More complex cases will require an extension. ./playedRole[isNormalRole()]/participation[isNormalParticipation() and typeCode="SBJ"]/act [isNormalAct and classCode="OBS" and moodCode="EVN"] Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. 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. 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. 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). 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. 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). Modifier extensions are expected to modify the meaning or interpretation of the element that contains them List of characteristics used to describe group members; e.g. gender, age, owner, location, etc. The value of the trait that holds (or does not hold - see 'exclude') for members of the group. For Range, it means members of the group have a value that falls somewhere within the specified range. This is labeled as "Is Modifier" because applications cannot wrongly include excluded members as included or vice versa. The period over which the characteristic is tested; e.g. the patient had an operation during the month of June. Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces. 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. 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. 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). 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. 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). Modifier extensions are expected to modify the meaning or interpretation of the element that contains them A reference to the entity that is a member of the group. Must be consistent with Group.type. If the entity is another group, then the type must be the same. A flag to indicate that the member is no longer in the group, but previously may have been a member. Represents a defined collection of entities that may be discussed or acted upon collectively but which are not expected to act collectively, and are not formally or legally recognized; i.e. a collection of entities that isn't an Organization. If both Group.characteristic and Group.member are present, then the members are the individuals who were found who met the characteristic. It's possible that there might be other candidate members who meet the characteristic and aren't (yet) in the list. All members SHALL have the listed characteristics. Indicates whether the record for the group is available for use or is merely being retained for historical purposes. Need to be able to mark a group record as not to be used because it was created in error or is otherwise no longer available (e.g. a herd that no longer exists). This resource is generally assumed to be active if no value is provided for the active element Group members SHALL be of the appropriate resource type (Patient for person or animal; or Practitioner, Device, Medication or Substance for the other types.). person: ./classCode="PSN" animal: ./classCode="ANM" device: ./classCode=" DEV" medication: ./classCode="MMAT" and ./playedRole[isNormalRole() and classCode="THER"] food: ./classCode="FOOD" If true, indicates that the resource refers to a specific group of real individuals. If false, the group defines a set of intended individuals. There are use-cases for groups that define specific collections of individuals, and other groups that define "types" of intended individuals. The requirements for both kinds of groups are similar, so we use a single resource, distinguished by this flag. Provides a specific type of resource the group includes; e.g. "cow", "syringe", etc. Note that the quantity may be less than the number of members if some of the members are not active. Entity responsible for defining and maintaining Group characteristics and/or registered members. This does not strictly align with ownership of a herd or flock, but may suffice to represent that relationship in simple cases. More complex cases will require an extension. ./playedRole[isNormalRole()]/participation[isNormalParticipation() and typeCode="SBJ"]/act [isNormalAct and classCode="OBS" and moodCode="EVN"] List of characteristics used to describe group members; e.g. gender, age, owner, location, etc. The value of the trait that holds (or does not hold - see 'exclude') for members of the group. For Range, it means members of the group have a value that falls somewhere within the specified range. This is labeled as "Is Modifier" because applications cannot wrongly include excluded members as included or vice versa. The period over which the characteristic is tested; e.g. the patient had an operation during the month of June. A reference to the entity that is a member of the group. Must be consistent with Group.type. If the entity is another group, then the type must be the same. A flag to indicate that the member is no longer in the group, but previously may have been a member.

<?xml version="1.0" encoding="UTF-8"?>
<StructureDefinition xmlns="http://hl7.org/fhir">  <id value="Group"/>   <meta>     <lastUpdated value="2023-03-01T23:03:57.298+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:
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        <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="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" 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="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" 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="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" 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="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" 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="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description &amp; Constraints</a>             <span style="float: right">              <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" 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:
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw
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            URURRBECWZSNgaGzBxxAU9jfQ9jrJr2dcbbXobRYHlQAzo9X1gDR9+KUArE6CwLefZD9WCW6P0uRZKreXqADkHXZ3dshzj
            wRholJH397AOXcTwHTfzQ1n7q6NnYEAy+DWQVNwKWQJ6vcx557Se7HAzIN1M9rCwVteA/rAYDRRICQgSZEr7WLYO3bzJVJ
            GQBu0D74PkoHkoBnIHvjfkO9AGABmDHCjFWgH8i7kPQh9yEeYH4DfLhBJgA2A7BBQJ9uwXWY3rhJqFo1AaiB1CBngwKZQc
            qAeSFSduL9Akj7qPF64jnALS5VTPwdgPwwJ+uog9Qcx4kRZiPKqxgAAAABJRU5ErkJggg==" style="background-color: white; background-color: inherit" title="Resource"/>  
            <span title="Group : Represents a defined collection of entities that may be discussed or acted
             upon collectively but which are not expected to act collectively, and are not formally
             or legally recognized; i.e. a collection of entities that isn't an Organization.">Group</span> 
            <a name="Group"> </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">Group of multiple entities
            <br/>              <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
             &quot;clinically safe&quot; 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, nor can they have their
             own independent transaction scope. This is allowed to be a Parameters resource
             if and only if it is referenced by a resource that provides context/meaning.">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 managable, 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 managable, 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,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
            +2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,R0lGODlhEAAQAPZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcS
            jY/DQkad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF
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            Ri+bFhLWUVv379/rnwPvszv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjt
            PbPgrqZW+/QlPz48K2EMv36866OUPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/L
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            AAAAAAQABAAAAemgH+CgxeFF4OIhBdKGwFChYl/hYwbdkoBPnaQkosbG3d3VEpSUlonUoY1Gzo6QkI8SrGxWBOFG4uySgY
            5ZWR3PFy2hnaWZXC/PHcPwkpJk1ShoHcxhQEXSUmtFy6+0iSFVResrjoTPDzdcoU+F65CduVU6KAhhQa3F8Tx8nchBoYuq
            oTLZoAKFRIhqGwqJAULFx0GYpBQeChRIR4TJm6KJMhQRUSBAAA7" style="background-color: #F7F7F7; background-color: inherit" title="Data Type"/>  
            <span title="Group.identifier : A unique business identifier for this group.">identifier</span>             <a name="Group.identifier"> </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..*</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#Identifier">Identifier</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">Unique id
            <br/>              <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;bas
          e64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAwEwfT6/ddA0GBAxO3NrLlKUj
          9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
            +2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyj
            uYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="Group.active : Indicates whether the record for the group is available for use
             or is merely being retained for historical purposes.">active</span> 
            <a name="Group.active"> </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="conformance-rules.html#isModifier" style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is a modifier element">?!</a>             <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="datatypes.html#boolean">boolean</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">Whether this group's record is in active use
            <br/>            </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,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
            +2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyj
            uYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>  
            <span title="Group.type : Identifies the broad classification of the kind of resources the group
             includes.">type</span> 
            <a name="Group.type"> </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="datatypes.html#code">code</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">person | animal | practitioner | device | careteam | healthcareservice | location
             | organization | relatedperson | specimen
            <br/>  Binding:             <a href="valueset-group-type.html">Group Type</a>  (            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value
             set.">Required</a> )
            <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;bas
          e64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAwEwfT6/ddA0GBAxO3NrLlKUj
          9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
            +2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyj
            uYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="Group.membership : Basis for membership in the Group:
* 'definitional': The Group.characteristics specified are both necessary and sufficient
             to determine membership. All entities that meet the criteria are considered to
             be members of the group, whether referenced by the group or not. If members are
             present, they are individuals that happen to be known as meeting the Group.characteristics.
             The list cannot be presumed to be complete.
* 'enumerated': The Group.characteristics are necessary but not sufficient to determine
             membership. Membership is determined by being listed as one of the Group.member.">membership</span> 
            <a name="Group.membership"> </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">definitional | enumerated
            <br/>  Binding:             <a href="valueset-group-membership-basis.html">Group Membership Basis</a>  (            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value
             set.">Required</a> )
            <br/>            </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,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
            +2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,R0lGODlhEAAQAPZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcS
            jY/DQkad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF
            /369M2vdaqHRPz58/HNh/vowufFhfroxO3OkPrluv779tK0e6JzGProwvrow9m4eOnIifPTlPDPkP78+Naxaf3v0/zowfX
            Ri+bFhLWUVv379/rnwPvszv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjt
            PbPgrqZW+/QlPz48K2EMv36866OUPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/L
            Slfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6if3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///wD/ACH5BAEKAH8AL
            AAAAAAQABAAAAemgH+CgxeFF4OIhBdKGwFChYl/hYwbdkoBPnaQkosbG3d3VEpSUlonUoY1Gzo6QkI8SrGxWBOFG4uySgY
            5ZWR3PFy2hnaWZXC/PHcPwkpJk1ShoHcxhQEXSUmtFy6+0iSFVResrjoTPDzdcoU+F65CduVU6KAhhQa3F8Tx8nchBoYuq
            oTLZoAKFRIhqGwqJAULFx0GYpBQeChRIR4TJm6KJMhQRUSBAAA7" style="background-color: #F7F7F7; background-color: inherit" title="Data Type"/>  
            <span title="Group.code : Provides a specific type of resource the group includes; e.g. &quot;cow&quot;,
             &quot;syringe&quot;, etc.">code</span> 
            <a name="Group.code"> </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#CodeableConcept">CodeableConcept</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">Kind of Group members
            <br/>  Binding: GroupKind (            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value
             set.  The value set merely provides examples of the types of concepts intended
             to be included.">Example</a> )
            <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;bas
          e64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAwEwfT6/ddA0GBAxO3NrLlKUj
          9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
            +2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyj
            uYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="Group.name : A label assigned to the group for human identification and communication.">name</span>             <a name="Group.name"> </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="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">Label for Group
            <br/>            </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,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
            +2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyj
            uYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>  
            <span title="Group.description : Explanation of what the group represents and how it is intended
             to be used.">description</span> 
            <a name="Group.description"> </a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <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#markdown">markdown</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">Natural language description of the group
            <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;bas
          e64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAwEwfT6/ddA0GBAxO3NrLlKUj
          9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
            +2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAARklEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyj
            uYFBgCNmhP4OvTRgwAAAABJRU5ErkJggg==" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="Group.quantity : A count of the number of resource instances that are part of the
             group.">quantity</span> 
            <a name="Group.quantity"> </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="datatypes.html#unsignedInt">unsignedInt</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">Number of members
            <br/>            </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,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
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            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1
            BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAA
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            <span title="Group.managingEntity : Entity responsible for defining and maintaining Group characteristics
             and/or registered members.">managingEntity</span> 
            <a name="Group.managingEntity"> </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="references.html#Reference">Reference</a> (            <a href="organization.html">Organization</a>  |             <a href="relatedperson.html">RelatedPerson</a>  |             <a href="practitioner.html">Practitioner</a>  |             <a href="practitionerrole.html">PractitionerRole</a> )          </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">Entity that is the custodian of the Group's definition
            <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;bas
          e64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAwEwfT6/ddA0GBAxO3NrLlKUj
          9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
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            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
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            <img alt="." class="hierarchy" src="data:image/png;base64,R0lGODlhEAAQAPQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPz
            urPvuw/npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///wD/ACH5BAEKAB8ALAAAAAAQA
            BAAAAVl4CeOZGme5qCqqDg8jyVJaz1876DsmAQAgqDgltspMEhMJoMZ4iy6I1AooFCIv+wKybziALVAoAEjYLwDgGIpJhM
            slgxaLR4/3rMAWoBp32V5exg8Shl1ckRUQVaMVkQ2kCstKCEAOw==" style="background-color: white; background-color: inherit" title="Element"/>  
            <span title="Group.characteristic : Identifies traits whose presence r absence is shared by
             members of the group.">characteristic</span> 
            <a name="Group.characteristic"> </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..*</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="types.html#BackBoneElement">BackboneElement</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">Include / Exclude group members by Trait
            <br/>              <br/>            </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,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI1
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y
            +3OQREAIBDDwAv+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y
            +2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,R0lGODlhEAAQAPZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcS
            jY/DQkad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF
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            Ri+bFhLWUVv379/rnwPvszv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjt
            PbPgrqZW+/QlPz48K2EMv36866OUPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/L
            Slfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6if3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///wD/ACH5BAEKAH8AL
            AAAAAAQABAAAAemgH+CgxeFF4OIhBdKGwFChYl/hYwbdkoBPnaQkosbG3d3VEpSUlonUoY1Gzo6QkI8SrGxWBOFG4uySgY
            5ZWR3PFy2hnaWZXC/PHcPwkpJk1ShoHcxhQEXSUmtFy6+0iSFVResrjoTPDzdcoU+F65CduVU6KAhhQa3F8Tx8nchBoYuq
            oTLZoAKFRIhqGwqJAULFx0GYpBQeChRIR4TJm6KJMhQRUSBAAA7" style="background-color: #F7F7F7; background-color: inherit" title="Data Type"/>  
            <span title="Group.characteristic.code : A code that identifies the kind of trait being asserted.">code</span>             <a name="Group.characteristic.code"> </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="datatypes.html#CodeableConcept">CodeableConcept</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">Kind of characteristic
            <br/>  Binding: GroupCharacteristicKind (            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value
             set.  The value set merely provides examples of the types of concepts intended
             to be included.">Example</a> )
            <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;bas
          e64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBADwftr/v8GtdbqEAthAtMspJ
          JUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
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            2P4//8/AxMDAwNdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,R0lGODlhEAAQAMQfAGm6/idTd4yTmF+v8Xa37KvW+lyh3KHJ62aq41ee2bXZ98nm/2mt5W2
            Ck5XN/C1chEZieho8WXXA/2Gn4P39/W+y6V+l3qjP8Njt/lx2izxPYGyv51Oa1EJWZ////////yH5BAEAAB8ALAAAAAAQA
            BAAAAWH4Cd+Xml6Y0pCQts0EKp6GbYshaM/skhjhCChUmFIeL4OsHIxXRAISQTl6SgIG8+FgfBMoh2qtbLZQr0TQJhk3TC
            4pYPBApiyFVDEwSOf18UFXxMWBoUJBn9sDgmDewcJCRyJJBoEkRyYmAABPZQEAAOhA5seFDMaDw8BAQ9TpiokJyWwtLUhA
            Ds=" style="background-color: white; background-color: inherit" title="Choice of Types"/>  
            <span title="Group.characteristic.value[x] : The value of the trait that holds (or does not
             hold - see 'exclude') for members of the group.">value[x]</span> 
            <a name="Group.characteristic.value_x_"> </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"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">Value held by characteristic
            <br/>  Binding: GroupCharacteristicValue (            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value
             set.  The value set merely provides examples of the types of concepts intended
             to be included.">Example</a> )
            <br/>            </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,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LsQ0AIAw
          Dwezq/WcAaqhSoDRn6ZqXXEmq42zdrWP6DwAAzHkCAADALxtMUUAsbN3VPQAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
            YAAAAB3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            +2RsQ0AIAzDav7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data:image/png;base64,R0lGODlhEAAQAPZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcS
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            5ZWR3PFy2hnaWZXC/PHcPwkpJk1ShoHcxhQEXSUmtFy6+0iSFVResrjoTPDzdcoU+F65CduVU6KAhhQa3F8Tx8nchBoYuq
            oTLZoAKFRIhqGwqJAULFx0GYpBQeChRIR4TJm6KJMhQRUSBAAA7" style="background-color: #F7F7F7; background-color: inherit" title="Data Type"/>  
            <span title="A concept that may be defined by a formal reference to a terminology or ontology
             or may be provided by text.">valueCodeableConcept</span> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <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#CodeableConcept">CodeableConcept</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </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
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          <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#boolean">boolean</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">Group includes or excludes
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <span title="Group.characteristic.period : The period over which the characteristic is tested;
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            <a name="Group.characteristic.period"> </a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <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#Period">Period</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
           #F0F0F0 solid; padding:0px 4px 0px 4px">Period over which characteristic is tested
            <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;bas
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,R0lGODlhEAAQAPQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPz
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            <span title="Group.member : Identifies the resource instances that are members of the group.">member</span>             <a name="Group.member"> </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">0..*</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="types.html#BackBoneElement">BackboneElement</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 or what is in group
            <br/>              <br/>            </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:
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1
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            <span title="Group.member.entity : A reference to the entity that is a member of the group.
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             must be the same.">entity</span> 
            <a name="Group.member.entity"> </a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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          <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="careteam.html">CareTeam</a>  |             <a href="device.html">Device</a>  |             <a href="group.html">Group</a>  |             <a href="healthcareservice.html">HealthcareService</a>  |             <a href="location.html">Location</a>  |             <a href="organization.html">Organization</a>  |             <a href="patient.html">Patient</a>  |             <a href="practitioner.html">Practitioner</a>  |             <a href="practitionerrole.html">PractitionerRole</a>  |             <a href="relatedperson.html">RelatedPerson</a>  |             <a href="specimen.html">Specimen</a> )          </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            <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
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,R0lGODlhEAAQAPZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcS
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            <span title="Group.member.period : The period that the member was in the group, if known.">period</span>             <a name="Group.member.period"> </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">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="datatypes.html#Period">Period</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0
           solid; padding:0px 4px 0px 4px">Period member belonged to the group
            <br/>            </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
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpw
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            <img alt="." class="hierarchy" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpw
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            <span title="Group.member.inactive : A flag to indicate that the member is no longer in the
             group, but previously may have been a member.">inactive</span> 
            <a name="Group.member.inactive"> </a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px
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            <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">If member is no longer in group
            <br/>            </td>         </tr>         <tr>           <td class="hierarchy" colspan="5">            <br/>              <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" 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-category">    <valueString value="Base.Individuals"/>   </extension>   <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="business"/>   </extension>   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">    <valueCode value="fhir"/>   </extension>   <url value="http://hl7.org/fhir/StructureDefinition/Group"/>   <version value="5.0.0-draft-final"/>   <name value="Group"/>   <status value="draft"/>   <experimental value="true"/>   <date value="2023-03-01T23:03:57+11:00"/>   <publisher value="Health Level Seven International (FHIR Infrastructure)"/>   <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/fiwg/index.cfm"/>     </telecom>   </contact>   <description value="Represents a defined collection of entities that may be discussed or acted upon
   collectively but which are not expected to act collectively, and are not formally
   or legally recognized; i.e. a collection of entities that isn't an Organization."/> 
  <jurisdiction>     <coding>       <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>       <code value="001"/>       <display value="World"/>     </coding>   </jurisdiction>   <fhirVersion value="5.0.0-draft-final"/>   <mapping>     <identity value="rim"/>     <uri value="http://hl7.org/v3"/>     <name value="RIM Mapping"/>   </mapping>   <mapping>     <identity value="interface"/>     <uri value="http://hl7.org/fhir/interface"/>     <name value="Interface Pattern"/>   </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="Group"/>   <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>   <derivation value="specialization"/>   <snapshot>     <element id="Group">      <path value="Group"/>       <short value="Group of multiple entities"/>       <definition value="Represents a defined collection of entities that may be discussed or acted upon
       collectively but which are not expected to act collectively, and are not formally
       or legally recognized; i.e. a collection of entities that isn't an Organization."/> 
      <comment value="If both Group.characteristic and Group.member are present, then the members are
       the individuals who were found who met the characteristic.  It's possible that
       there might be other candidate members who meet the characteristic and aren't (yet)
       in the list.  All members SHALL have the listed characteristics."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="Group"/>         <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()"/>         <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 in (%resource.descendants().reference | %resource.descendants().ofTy
        pe(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url)))
         or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical)
         = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmat
        ched', id).empty()"/> 
        <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()"/>         <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()"/>         <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()"/>         <source value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>       </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="Entity[determinerCode=&quot;GRP&quot; or determinerCode=&quot;GRP_KIND&quot;]"/>       </mapping>       <mapping>         <identity value="interface"/>         <map value="Participant"/>       </mapping>       <mapping>         <identity value="w5"/>         <map value="administrative.group"/>       </mapping>     </element>     <element id="Group.id">      <path value="Group.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="Within the context of the FHIR RESTful interactions, the resource has an id except
       for cases like the create and conditional update. Otherwise, the use of the resouce
       id depends on the given use case."/> 
      <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="Group.meta">      <path value="Group.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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="Group.implicitRules">      <path value="Group.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 its 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() &gt; id.count())"/>         <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 its meaning or interpretation"/> 
      <isSummary value="true"/>     </element>     <element id="Group.language">      <path value="Group.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() &gt; id.count())"/>         <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-bindingName">          <valueString value="Language"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">          <valueBoolean value="true"/>         </extension>         <strength value="required"/>         <description value="IETF language tag for a human language"/>         <valueSet value="http://hl7.org/fhir/ValueSet/all-languages|5.0.0-draft-final"/>         <additional>           <purpose value="starter"/>           <valueSet value="http://hl7.org/fhir/ValueSet/languages"/>         </additional>       </binding>     </element>     <element id="Group.text">      <path value="Group.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
       &quot;clinically safe&quot; 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 a 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 &quot;text blob&quot; 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>       <condition value="dom-6"/>       <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() &gt; id.count())"/>         <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="Group.contained">      <path value="Group.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, nor can they have their
       own independent transaction scope. This is allowed to be a Parameters resource
       if and only if it is referenced by a resource that provides context/meaning."/> 
      <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>       <condition value="dom-2"/>       <condition value="dom-4"/>       <condition value="dom-3"/>       <condition value="dom-5"/>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>     </element>     <element id="Group.extension">      <path value="Group.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 managable, 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() &gt; id.count())"/>         <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()"/>         <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="Group.modifierExtension">      <path value="Group.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 managable, 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.html#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() &gt; id.count())"/>         <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()"/>         <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="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>     </element>     <element id="Group.identifier">      <path value="Group.identifier"/>       <short value="Unique id"/>       <definition value="A unique business identifier for this group."/>       <requirements value="Allows the group to be referenced from external specifications."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Group.identifier"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Identifier"/>       </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() &gt; id.count())"/>         <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.identifier"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="unique(./id[displayable=&quot;true&quot; and scope=&quot;OBJ&quot;])"/>       </mapping>       <mapping>         <identity value="interface"/>         <map value="Participant.identifier"/>       </mapping>     </element>     <element id="Group.active">      <path value="Group.active"/>       <short value="Whether this group's record is in active use"/>       <definition value="Indicates whether the record for the group is available for use or is merely being
       retained for historical purposes."/> 
      <requirements value="Need to be able to mark a group record as not to be used because it was created
       in error or is otherwise no longer available (e.g. a herd that no longer exists)."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Group.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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="true"/>       <isModifierReason value="This element is labelled as a modifier because it is a status element that can
       indicate that a record should not be treated as valid"/> 
      <isSummary value="true"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.status"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="./statusCode"/>       </mapping>       <mapping>         <identity value="interface"/>         <map value="Participant.active"/>       </mapping>     </element>     <element id="Group.type">      <path value="Group.type"/>       <short value="person | animal | practitioner | device | careteam | healthcareservice | location
       | organization | relatedperson | specimen"/> 
      <definition value="Identifies the broad classification of the kind of resources the group includes."/>       <comment value="Group members SHALL be of the appropriate resource type (Patient for person or
       animal; or Practitioner, PractitionerRole, Device, CareTeam, HealthcareService,
       Location, Organization, RelatedPerson, or Specimen for the other types.), or a
       Group of the resources of the appropriate type."/> 
      <requirements value="Identifies what type of resources the group is made up of."/>       <min value="1"/>       <max value="1"/>       <base>         <path value="Group.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() &gt; id.count())"/>         <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="GroupType"/>         </extension>         <strength value="required"/>         <description value="Types of resources that are part of group."/>         <valueSet value="http://hl7.org/fhir/ValueSet/group-type|5.0.0-draft-final"/>       </binding>       <mapping>         <identity value="w5"/>         <map value="FiveWs.class"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="person: ./classCode=&quot;PSN&quot;  animal: ./classCode=&quot;ANM&quot;  device:
         ./classCode=&quot;DEV&quot;  medication: ./classCode=&quot;MMAT&quot; and ./playedRole[isNorm
        alRole() and classCode=&quot;THER&quot;]  food: ./classCode=&quot;FOOD&quot;"/> 
      </mapping>     </element>     <element id="Group.membership">      <path value="Group.membership"/>       <short value="definitional | enumerated"/>       <definition value="Basis for membership in the Group:
* 'definitional': The Group.characteristics specified are both necessary and sufficient
       to determine membership. All entities that meet the criteria are considered to
       be members of the group, whether referenced by the group or not. If members are
       present, they are individuals that happen to be known as meeting the Group.characteristics.
       The list cannot be presumed to be complete.
* 'enumerated': The Group.characteristics are necessary but not sufficient to determine
       membership. Membership is determined by being listed as one of the Group.member."/> 
      <requirements value="There are use-cases for groups that define specific collections of individuals,
       and other groups that define &quot;types&quot; of intended individuals.  The requirements
       for both kinds of groups are similar, so we use a single resource, distinguished
       by this element."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="Group.membership"/>         <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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <strength value="required"/>         <description value="The basis for membership in a group"/>         <valueSet value="http://hl7.org/fhir/ValueSet/group-membership-basis|5.0.0-draft-final"/>       </binding>     </element>     <element id="Group.code">      <path value="Group.code"/>       <short value="Kind of Group members"/>       <definition value="Provides a specific type of resource the group includes; e.g. &quot;cow&quot;,
       &quot;syringe&quot;, etc."/> 
      <comment value="This would generally be omitted for Person resources."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="Group.code"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="CodeableConcept"/>       </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() &gt; id.count())"/>         <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="GroupKind"/>         </extension>         <strength value="example"/>         <description value="Kind of particular resource; e.g. cow, syringe, lake, etc."/>       </binding>       <mapping>         <identity value="w5"/>         <map value="FiveWs.what[x]"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="./code"/>       </mapping>     </element>     <element id="Group.name">      <path value="Group.name"/>       <short value="Label for Group"/>       <definition value="A label assigned to the group for human identification and communication."/>       <requirements value="Used to identify the group in human communication."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="Group.name"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./name[type=&quot;ST&quot;]"/>       </mapping>       <mapping>         <identity value="interface"/>         <map value="Participant.name"/>       </mapping>     </element>     <element id="Group.description">      <path value="Group.description"/>       <short value="Natural language description of the group"/>       <definition value="Explanation of what the group represents and how it is intended to be used."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="Group.description"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="markdown"/>       </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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="Group.quantity">      <path value="Group.quantity"/>       <short value="Number of members"/>       <definition value="A count of the number of resource instances that are part of the group."/>       <comment value="Note that the quantity may be less than the number of members if some of the members
       are not active."/> 
      <requirements value="Group size is a common defining characteristic."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="Group.quantity"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="unsignedInt"/>       </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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./quantity"/>       </mapping>     </element>     <element id="Group.managingEntity">      <path value="Group.managingEntity"/>       <short value="Entity that is the custodian of the Group's definition"/>       <definition value="Entity responsible for defining and maintaining Group characteristics and/or registered
       members."/> 
      <comment value="This does not strictly align with ownership of a herd or flock, but may suffice
       to represent that relationship in simple cases. More complex cases will require
       an extension."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Group.managingEntity"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>       </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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="Group.characteristic">      <path value="Group.characteristic"/>       <short value="Include / Exclude group members by Trait"/>       <definition value="Identifies traits whose presence r absence is shared by members of the group."/>       <comment value="All the identified characteristics must be true for an entity to a member of the
       group."/> 
      <requirements value="Needs to be a generic mechanism for identifying what individuals can be part of
       a group."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="Group.characteristic"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="BackboneElement"/>       </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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./playedRole[isNormalRole()]/participation[isNormalParticipation() and typeCode=&quot;SBJ&quo
        t;]/act[isNormalAct and classCode=&quot;OBS&quot; and moodCode=&quot;EVN&quot;]"/> 
      </mapping>     </element>     <element id="Group.characteristic.id">      <path value="Group.characteristic.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="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="Group.characteristic.extension">      <path value="Group.characteristic.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 managable, 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() &gt; id.count())"/>         <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()"/>         <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="Group.characteristic.modifierExtension">      <path value="Group.characteristic.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 managable, 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.html#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() &gt; id.count())"/>         <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()"/>         <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="Group.characteristic.code">      <path value="Group.characteristic.code"/>       <short value="Kind of characteristic"/>       <definition value="A code that identifies the kind of trait being asserted."/>       <requirements value="Need a formal way of identifying the characteristic being described."/>       <min value="1"/>       <max value="1"/>       <base>         <path value="Group.characteristic.code"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="CodeableConcept"/>       </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() &gt; id.count())"/>         <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="GroupCharacteristicKind"/>         </extension>         <strength value="example"/>         <description value="List of characteristics used to describe group members; e.g. gender, age, owner,
         location, etc."/> 
      </binding>       <mapping>         <identity value="rim"/>         <map value="./code"/>       </mapping>     </element>     <element id="Group.characteristic.value[x]">      <path value="Group.characteristic.value[x]"/>       <short value="Value held by characteristic"/>       <definition value="The value of the trait that holds (or does not hold - see 'exclude') for members
       of the group."/> 
      <comment value="For Range, it means members of the group have a value that falls somewhere within
       the specified range."/> 
      <requirements value="The value of the characteristic is what determines group membership."/>       <min value="1"/>       <max value="1"/>       <base>         <path value="Group.characteristic.value[x]"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="boolean"/>       </type>       <type>         <code value="Quantity"/>       </type>       <type>         <code value="Range"/>       </type>       <type>         <code value="Reference"/>       </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() &gt; id.count())"/>         <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="GroupCharacteristicValue"/>         </extension>         <strength value="example"/>         <description value="Value of descriptive member characteristic; e.g. red, male, pneumonia, Caucasian,
         etc."/> 
      </binding>       <mapping>         <identity value="rim"/>         <map value="./value"/>       </mapping>     </element>     <element id="Group.characteristic.exclude">      <path value="Group.characteristic.exclude"/>       <short value="Group includes or excludes"/>       <definition value="If true, indicates the characteristic is one that is NOT held by members of the
       group."/> 
      <comment value="This is labeled as &quot;Is Modifier&quot; because applications cannot wrongly
       include excluded members as included or vice versa."/> 
      <requirements value="Sometimes group membership is determined by characteristics not possessed."/>       <min value="1"/>       <max value="1"/>       <base>         <path value="Group.characteristic.exclude"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="boolean"/>       </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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./valueNegationInd"/>       </mapping>     </element>     <element id="Group.characteristic.period">      <path value="Group.characteristic.period"/>       <short value="Period over which characteristic is tested"/>       <definition value="The period over which the characteristic is tested; e.g. the patient had an operation
       during the month of June."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Group.characteristic.period"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="Period"/>       </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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="Group.member">      <path value="Group.member"/>       <short value="Who or what is in group"/>       <definition value="Identifies the resource instances that are members of the group."/>       <requirements value="Often the only thing of interest about a group is &quot;who's in it&quot;."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Group.member"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="BackboneElement"/>       </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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="./scopedRole[isNormalRole() and classCode=&quot;MBR&quot;]/player"/>       </mapping>     </element>     <element id="Group.member.id">      <path value="Group.member.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="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="Group.member.extension">      <path value="Group.member.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 managable, 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() &gt; id.count())"/>         <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()"/>         <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="Group.member.modifierExtension">      <path value="Group.member.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 managable, 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.html#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() &gt; id.count())"/>         <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()"/>         <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="Group.member.entity">      <path value="Group.member.entity"/>       <short value="Reference to the group member"/>       <definition value="A reference to the entity that is a member of the group. Must be consistent with
       Group.type. If the entity is another group, then the type must be the same."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="Group.member.entity"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/CareTeam"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Group"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/HealthcareService"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Location"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Specimen"/>       </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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="Group.member.period">      <path value="Group.member.period"/>       <short value="Period member belonged to the group"/>       <definition value="The period that the member was in the group, if known."/>       <requirements value="Need to track who was in a group at a  particular time."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="Group.member.period"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="Period"/>       </type>       <meaningWhenMissing value="The member is in the group at this time"/>       <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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="Group.member.inactive">      <path value="Group.member.inactive"/>       <short value="If member is no longer in group"/>       <definition value="A flag to indicate that the member is no longer in the group, but previously may
       have been a member."/> 
      <requirements value="Sometimes you don't know when someone stopped being in a group, but not when."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="Group.member.inactive"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="boolean"/>       </type>       <meaningWhenMissing value="Members are considered active unless explicitly specified otherwise"/>       <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() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>     </element>   </snapshot>   <differential>     <element id="Group">      <path value="Group"/>       <short value="Group of multiple entities"/>       <definition value="Represents a defined collection of entities that may be discussed or acted upon
       collectively but which are not expected to act collectively, and are not formally
       or legally recognized; i.e. a collection of entities that isn't an Organization."/> 
      <comment value="If both Group.characteristic and Group.member are present, then the members are
       the individuals who were found who met the characteristic.  It's possible that
       there might be other candidate members who meet the characteristic and aren't (yet)
       in the list.  All members SHALL have the listed characteristics."/> 
      <min value="0"/>       <max value="*"/>       <mustSupport value="false"/>       <isModifier value="false"/>       <mapping>         <identity value="rim"/>         <map value="Entity[determinerCode=&quot;GRP&quot; or determinerCode=&quot;GRP_KIND&quot;]"/>       </mapping>       <mapping>         <identity value="interface"/>         <map value="Participant"/>       </mapping>       <mapping>         <identity value="w5"/>         <map value="administrative.group"/>       </mapping>     </element>     <element id="Group.identifier">      <path value="Group.identifier"/>       <short value="Unique id"/>       <definition value="A unique business identifier for this group."/>       <requirements value="Allows the group to be referenced from external specifications."/>       <min value="0"/>       <max value="*"/>       <type>         <code value="Identifier"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.identifier"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="unique(./id[displayable=&quot;true&quot; and scope=&quot;OBJ&quot;])"/>       </mapping>       <mapping>         <identity value="interface"/>         <map value="Participant.identifier"/>       </mapping>     </element>     <element id="Group.active">      <path value="Group.active"/>       <short value="Whether this group's record is in active use"/>       <definition value="Indicates whether the record for the group is available for use or is merely being
       retained for historical purposes."/> 
      <requirements value="Need to be able to mark a group record as not to be used because it was created
       in error or is otherwise no longer available (e.g. a herd that no longer exists)."/> 
      <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="true"/>       <isModifierReason value="This element is labelled as a modifier because it is a status element that can
       indicate that a record should not be treated as valid"/> 
      <isSummary value="true"/>       <mapping>         <identity value="w5"/>         <map value="FiveWs.status"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="./statusCode"/>       </mapping>       <mapping>         <identity value="interface"/>         <map value="Participant.active"/>       </mapping>     </element>     <element id="Group.type">      <path value="Group.type"/>       <short value="person | animal | practitioner | device | careteam | healthcareservice | location
       | organization | relatedperson | specimen"/> 
      <definition value="Identifies the broad classification of the kind of resources the group includes."/>       <comment value="Group members SHALL be of the appropriate resource type (Patient for person or
       animal; or Practitioner, PractitionerRole, Device, CareTeam, HealthcareService,
       Location, Organization, RelatedPerson, or Specimen for the other types.), or a
       Group of the resources of the appropriate type."/> 
      <requirements value="Identifies what type of resources the group is made up of."/>       <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="GroupType"/>         </extension>         <strength value="required"/>         <description value="Types of resources that are part of group."/>         <valueSet value="http://hl7.org/fhir/ValueSet/group-type|5.0.0-draft-final"/>       </binding>       <mapping>         <identity value="w5"/>         <map value="FiveWs.class"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="person: ./classCode=&quot;PSN&quot;  animal: ./classCode=&quot;ANM&quot;  device:
         ./classCode=&quot;DEV&quot;  medication: ./classCode=&quot;MMAT&quot; and ./playedRole[isNorm
        alRole() and classCode=&quot;THER&quot;]  food: ./classCode=&quot;FOOD&quot;"/> 
      </mapping>     </element>     <element id="Group.membership">      <path value="Group.membership"/>       <short value="definitional | enumerated"/>       <definition value="Basis for membership in the Group:
* 'definitional': The Group.characteristics specified are both necessary and sufficient
       to determine membership. All entities that meet the criteria are considered to
       be members of the group, whether referenced by the group or not. If members are
       present, they are individuals that happen to be known as meeting the Group.characteristics.
       The list cannot be presumed to be complete.
* 'enumerated': The Group.characteristics are necessary but not sufficient to determine
       membership. Membership is determined by being listed as one of the Group.member."/> 
      <requirements value="There are use-cases for groups that define specific collections of individuals,
       and other groups that define &quot;types&quot; of intended individuals.  The requirements
       for both kinds of groups are similar, so we use a single resource, distinguished
       by this element."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="code"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <strength value="required"/>         <description value="The basis for membership in a group"/>         <valueSet value="http://hl7.org/fhir/ValueSet/group-membership-basis|5.0.0-draft-final"/>       </binding>     </element>     <element id="Group.code">      <path value="Group.code"/>       <short value="Kind of Group members"/>       <definition value="Provides a specific type of resource the group includes; e.g. &quot;cow&quot;,
       &quot;syringe&quot;, etc."/> 
      <comment value="This would generally be omitted for Person resources."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="CodeableConcept"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="GroupKind"/>         </extension>         <strength value="example"/>         <description value="Kind of particular resource; e.g. cow, syringe, lake, etc."/>       </binding>       <mapping>         <identity value="w5"/>         <map value="FiveWs.what[x]"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="./code"/>       </mapping>     </element>     <element id="Group.name">      <path value="Group.name"/>       <short value="Label for Group"/>       <definition value="A label assigned to the group for human identification and communication."/>       <requirements value="Used to identify the group in human communication."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./name[type=&quot;ST&quot;]"/>       </mapping>       <mapping>         <identity value="interface"/>         <map value="Participant.name"/>       </mapping>     </element>     <element id="Group.description">      <path value="Group.description"/>       <short value="Natural language description of the group"/>       <definition value="Explanation of what the group represents and how it is intended to be used."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="markdown"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="Group.quantity">      <path value="Group.quantity"/>       <short value="Number of members"/>       <definition value="A count of the number of resource instances that are part of the group."/>       <comment value="Note that the quantity may be less than the number of members if some of the members
       are not active."/> 
      <requirements value="Group size is a common defining characteristic."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="unsignedInt"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./quantity"/>       </mapping>     </element>     <element id="Group.managingEntity">      <path value="Group.managingEntity"/>       <short value="Entity that is the custodian of the Group's definition"/>       <definition value="Entity responsible for defining and maintaining Group characteristics and/or registered
       members."/> 
      <comment value="This does not strictly align with ownership of a herd or flock, but may suffice
       to represent that relationship in simple cases. More complex cases will require
       an extension."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="Group.characteristic">      <path value="Group.characteristic"/>       <short value="Include / Exclude group members by Trait"/>       <definition value="Identifies traits whose presence r absence is shared by members of the group."/>       <comment value="All the identified characteristics must be true for an entity to a member of the
       group."/> 
      <requirements value="Needs to be a generic mechanism for identifying what individuals can be part of
       a group."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="BackboneElement"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./playedRole[isNormalRole()]/participation[isNormalParticipation() and typeCode=&quot;SBJ&quo
        t;]/act[isNormalAct and classCode=&quot;OBS&quot; and moodCode=&quot;EVN&quot;]"/> 
      </mapping>     </element>     <element id="Group.characteristic.code">      <path value="Group.characteristic.code"/>       <short value="Kind of characteristic"/>       <definition value="A code that identifies the kind of trait being asserted."/>       <requirements value="Need a formal way of identifying the characteristic being described."/>       <min value="1"/>       <max value="1"/>       <type>         <code value="CodeableConcept"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="GroupCharacteristicKind"/>         </extension>         <strength value="example"/>         <description value="List of characteristics used to describe group members; e.g. gender, age, owner,
         location, etc."/> 
      </binding>       <mapping>         <identity value="rim"/>         <map value="./code"/>       </mapping>     </element>     <element id="Group.characteristic.value[x]">      <path value="Group.characteristic.value[x]"/>       <short value="Value held by characteristic"/>       <definition value="The value of the trait that holds (or does not hold - see 'exclude') for members
       of the group."/> 
      <comment value="For Range, it means members of the group have a value that falls somewhere within
       the specified range."/> 
      <requirements value="The value of the characteristic is what determines group membership."/>       <min value="1"/>       <max value="1"/>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="boolean"/>       </type>       <type>         <code value="Quantity"/>       </type>       <type>         <code value="Range"/>       </type>       <type>         <code value="Reference"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="GroupCharacteristicValue"/>         </extension>         <strength value="example"/>         <description value="Value of descriptive member characteristic; e.g. red, male, pneumonia, Caucasian,
         etc."/> 
      </binding>       <mapping>         <identity value="rim"/>         <map value="./value"/>       </mapping>     </element>     <element id="Group.characteristic.exclude">      <path value="Group.characteristic.exclude"/>       <short value="Group includes or excludes"/>       <definition value="If true, indicates the characteristic is one that is NOT held by members of the
       group."/> 
      <comment value="This is labeled as &quot;Is Modifier&quot; because applications cannot wrongly
       include excluded members as included or vice versa."/> 
      <requirements value="Sometimes group membership is determined by characteristics not possessed."/>       <min value="1"/>       <max value="1"/>       <type>         <code value="boolean"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./valueNegationInd"/>       </mapping>     </element>     <element id="Group.characteristic.period">      <path value="Group.characteristic.period"/>       <short value="Period over which characteristic is tested"/>       <definition value="The period over which the characteristic is tested; e.g. the patient had an operation
       during the month of June."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="Period"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="Group.member">      <path value="Group.member"/>       <short value="Who or what is in group"/>       <definition value="Identifies the resource instances that are members of the group."/>       <requirements value="Often the only thing of interest about a group is &quot;who's in it&quot;."/>       <min value="0"/>       <max value="*"/>       <type>         <code value="BackboneElement"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="./scopedRole[isNormalRole() and classCode=&quot;MBR&quot;]/player"/>       </mapping>     </element>     <element id="Group.member.entity">      <path value="Group.member.entity"/>       <short value="Reference to the group member"/>       <definition value="A reference to the entity that is a member of the group. Must be consistent with
       Group.type. If the entity is another group, then the type must be the same."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="Reference"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/CareTeam"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Group"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/HealthcareService"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Location"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/Specimen"/>       </type>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="Group.member.period">      <path value="Group.member.period"/>       <short value="Period member belonged to the group"/>       <definition value="The period that the member was in the group, if known."/>       <requirements value="Need to track who was in a group at a  particular time."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="Period"/>       </type>       <meaningWhenMissing value="The member is in the group at this time"/>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="Group.member.inactive">      <path value="Group.member.inactive"/>       <short value="If member is no longer in group"/>       <definition value="A flag to indicate that the member is no longer in the group, but previously may
       have been a member."/> 
      <requirements value="Sometimes you don't know when someone stopped being in a group, but not when."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="boolean"/>       </type>       <meaningWhenMissing value="Members are considered active unless explicitly specified otherwise"/>       <mustSupport value="false"/>       <isModifier value="false"/>       <isSummary value="false"/>     </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.