DSTU2
This page is part of the FHIR Specification (v1.0.2: DSTU 2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 
. Page versions: R5 R4B R4 R3 R2
StructureDefinition for Identifier
<StructureDefinition xmlns="http://hl7.org/fhir"> <id value="Identifier"/> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"> <table border="0" cellpadding="0" cellspacing="0" style="border: 0px; font-size: 11px; font-family: verdana; vertical-align: top;"> <tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"> <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <a href="formats.html#table" title="The logical name of the element">Name</a> </th> <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <a href="formats.html#table" title="Information about the use of the element">Flags</a> </th> <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <a href="formats.html#table" title="Minimum and Maximum # of times the the element can appear in the instance">Card.</a> </th> <th class="hierarchy" style="width: 100px"> <a href="formats.html#table" title="Reference to the type of the element">Type</a> </th> <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <a href="formats.html#table" title="Additional information about the element">Description & Constraints</a> <span style="float: right"> <a href="formats.html#table" title="Legend for this format"> <img alt="doco" src="help16.png" style="background-color: inherit"/> </a> </span> </th> </tr> <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCA YAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5 CYII=)"> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAMQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw /npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///////yH5BAEAAB8ALAAAAAAQABAAAAV24CeOZG mepqeqqOgxjBZFa+19r4ftWQUAgqDgltthMshMIJAZ4jYDHsBARSAmFOJvq+g6HIdEFgcYmBWNxoNAsDjGHgBnmV5bCoUDHLBIq9s FEhIdcAYJdYASFRUQhQkLCwkOFwcdEBAXhVabE52ecDahKy0oIQA7" style="background-color: white; background-color: inherit" title="Element"/> <a href="datatypes-definitions.html#Identifier" title="Identifier : A technical identifier - identifies some entity uniquely and unambiguously.">Identifier</a> <a name="Identifier"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <span title="This element is included in summaries">Σ</span> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"/> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <a href="element.html">Element</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">An identifier intended for computation</td> </tr> <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCA YAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5 CYII=)"> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav 7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i 8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/> <a href="datatypes-definitions.html#Identifier.use" title="Identifier.use : The purpose of this identifier.">use</a> <a name="Identifier.use"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <span title="This element is a modifier element">?! </span> <span title="This element is included in summaries">Σ</span> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">0..1</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; 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; padding:0px 4px 0px 4px">usual | official | temp | secondary (If known) <br/> <a href="valueset-identifier-use.html" title="Identifies the purpose for this identifier, if known .">IdentifierUse</a> ( <a href="terminologies.html#required" title="To be conformant, instances of this element SHALL include a code from the specified value set.">Required</a>) </td> </tr> <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCA YAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5 CYII=)"> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav 7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk ad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF/369M2vdaqHRP z58/HNh/vowufFhfroxO3OkPrluv779tK0e6JzGProwvrow9m4eOnIifPTlPDPkP78+Naxaf3v0/zowfXRi+bFhLWUVv379/rnwPv szv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjtPbPgrqZW+/QlPz48K2EMv36866O UPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6i f3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///////yH5BAEAAH8ALAAAAAAQABAAAAfNgH+Cg36FfoOIhH4JBxBghYl/hQ kNAV0IVT5GkJKLCwtQaSsSdx9aR26Gcwt2IkQaNRI6dBERIzCFDSgWSW8WCDkbBnoOQ3uFARc/JQJfCAZlT0x4ZFyFBxdNQT9ZCBN WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/> <a href="datatypes-definitions.html#Identifier.type" title="Identifier.type : A coded type for the identifier that can be used to determine which identifier to use for a specific purpose.">type</a> <a name="Identifier.type"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <span title="This element is included in summaries">Σ</span> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">0..1</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; 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: white; padding:0px 4px 0px 4px">Description of identifier <br/> <a href="valueset-identifier-type.html" title="A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.">Identifier Type Codes</a> ( <a href="terminologies.html#extensible" title="To be conformant, instances of this element SHALL include a code from the specified value set if any of the codes within the value set can apply to the concept being communicated. If the valueset does not cover the concept (based on human review), alternate codings (or, data type allowing, text) may be included instead.">Extensible</a>) </td> </tr> <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCA YAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5 CYII=)"> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav 7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i 8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/> <a href="datatypes-definitions.html#Identifier.system" title="Identifier.system : Establishes the namespace in which set of possible id values is unique.">system</a> <a name="Identifier.system"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <span title="This element is included in summaries">Σ</span> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">0..1</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <a href="datatypes.html#uri">uri</a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">The namespace for the identifier</td> </tr> <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCA YAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5 CYII=)"> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav 7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i 8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/> <a href="datatypes-definitions.html#Identifier.value" title="Identifier.value : The portion of the identifier typically displayed to the user and which is unique within the context of the system.">value</a> <a name="Identifier.value"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <span title="This element is included in summaries">Σ</span> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">0..1</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; 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; padding:0px 4px 0px 4px">The value that is unique</td> </tr> <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCA YAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgCsPVYVAgIJrA/sAAAAASUVORK5 CYII=)"> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav 7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk ad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF/369M2vdaqHRP z58/HNh/vowufFhfroxO3OkPrluv779tK0e6JzGProwvrow9m4eOnIifPTlPDPkP78+Naxaf3v0/zowfXRi+bFhLWUVv379/rnwPv szv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjtPbPgrqZW+/QlPz48K2EMv36866O UPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6i f3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///////yH5BAEAAH8ALAAAAAAQABAAAAfNgH+Cg36FfoOIhH4JBxBghYl/hQ kNAV0IVT5GkJKLCwtQaSsSdx9aR26Gcwt2IkQaNRI6dBERIzCFDSgWSW8WCDkbBnoOQ3uFARc/JQJfCAZlT0x4ZFyFBxdNQT9ZCBN WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/> <a href="datatypes-definitions.html#Identifier.period" title="Identifier.period : Time period during which identifier is/was valid for use.">period</a> <a name="Identifier.period"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <span title="This element is included in summaries">Σ</span> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">0..1</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; 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; padding:0px 4px 0px 4px">Time period when id is/was valid for use</td> </tr> <tr style="border: 0px; padding:0px; vertical-align: top; background-color: white;"> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCA YAAACg/LjIAAAAI0lEQVR42u3QIQEAAAACIL/6/4MvTAQOkLYBAAB4kAAAANwMad9AqkRjgNAAAAAASUVORK5CYII=)"> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB 3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUO L+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC" style="background-color: inherit"/> <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj wv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjE EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/> <a href="datatypes-definitions.html#Identifier.assigner" title="Identifier.assigner : Organization that issued/manages the identifier.">assigner</a> <a name="Identifier.assigner"> </a> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <span title="This element is included in summaries">Σ</span> </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">0..1</td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px"> <a href="references.html">Reference</a>( <a href="organization.html">Organization</a>) </td> <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; padding:0px 4px 0px 4px">Organization that issued id (may be just text)</td> </tr> <tr> <td class="hierarchy" colspan="5"> <br/> <a href="formats.html#table" title="Legend for this format"> <img alt="doco" src="help16.png" style="background-color: inherit"/> Documentation for this format </a> </td> </tr> </table> </div> </text> <url value="http://hl7.org/fhir/StructureDefinition/Identifier"/> <name value="Identifier"/> <status value="draft"/> <publisher value="HL7 FHIR Standard"/> <contact> <telecom> <system value="other"/> <value value="http://hl7.org/fhir"/> </telecom> </contact> <date value="2015-10-24T07:41:03+11:00"/> <description value="Base StructureDefinition for Identifier Type"/> <requirements value="Need to be able to identify things with confidence and be sure that the identification is not subject to misinterpretation."/> <fhirVersion value="1.0.2"/> <mapping> <identity value="v2"/> <uri value="http://hl7.org/v2"/> <name value="HL7 v2"/> </mapping> <mapping> <identity value="rim"/> <uri value="http://hl7.org/v3"/> <name value="RIM"/> </mapping> <mapping> <identity value="servd"/> <uri value="http://www.omg.org/spec/ServD/1.0/"/> <name value="ServD"/> </mapping> <kind value="datatype"/> <abstract value="false"/> <base value="http://hl7.org/fhir/StructureDefinition/Element"/> <snapshot> <element> <path value="Identifier"/> <short value="An identifier intended for computation"/> <definition value="A technical identifier - identifies some entity uniquely and unambiguously."/> <min value="0"/> <max value="*"/> <type> <code value="Element"/> </type> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="CX / EI (occasionally, more often EI maps to a resource id or a URL)"/> </mapping> <mapping> <identity value="rim"/> <map value="II - see see identifier pattern at http://wiki.hl7.org/index.php?title=Common_Design_Patterns#Identi fier_Pattern for relevant discussion. The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs. Also maps to Role[classCode= IDENT]"/> </mapping> <mapping> <identity value="servd"/> <map value="Identifier"/> </mapping> </element> <element> <path value="Identifier.id"/> <representation value="xmlAttr"/> <short value="xml:id (or equivalent in JSON)"/> <definition value="unique id for the element within a resource (for internal references)."/> <min value="0"/> <max value="1"/> <type> <code value="id"/> </type> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element> <path value="Identifier.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. In order 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."/> <comments 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="*"/> <type> <code value="Extension"/> </type> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element> <path value="Identifier.use"/> <short value="usual | official | temp | secondary (If known)"/> <definition value="The purpose of this identifier."/> <comments value="This is labeled as "Is Modifier" because applications should not mistake a temporary id for a permanent one. Applications can assume that an identifier is permanent unless it explicitly says that it is temporary."/> <requirements value="Allows the appropriate identifier for a particular context of use to be selected from among a set of identifiers."/> <min value="0"/> <max value="1"/> <type> <code value="code"/> </type> <isModifier value="true"/> <isSummary value="true"/> <binding> <strength value="required"/> <description value="Identifies the purpose for this identifier, if known ."/> <valueSetReference> <reference value="http://hl7.org/fhir/ValueSet/identifier-use"/> </valueSetReference> </binding> <mapping> <identity value="v2"/> <map value="N/A"/> </mapping> <mapping> <identity value="rim"/> <map value="Role.code or implied by context"/> </mapping> </element> <element> <path value="Identifier.type"/> <short value="Description of identifier"/> <definition value="A coded type for the identifier that can be used to determine which identifier to use for a specific purpose."/> <comments value="This element deals only with general categories of identifiers. It SHOULD not be used for codes that correspond 1..1 with the Identifier.system. Some identifiers may fall into multiple categories due to common usage. Where the system is known, a type is unnecessary because the type is always part of the system definition. However systems often need to handle identifiers where the system is not known. There is not a 1:1 relationship between type and system, since many different systems have the same type."/> <requirements value="Allows users to make use of identifiers when the identifier system is not known."/> <min value="0"/> <max value="1"/> <type> <code value="CodeableConcept"/> </type> <isSummary value="true"/> <binding> <strength value="extensible"/> <description value="A coded type for an identifier that can be used to determine which identifier to use for a specific purpose."/> <valueSetReference> <reference value="http://hl7.org/fhir/ValueSet/identifier-type"/> </valueSetReference> </binding> <mapping> <identity value="v2"/> <map value="CX.5"/> </mapping> <mapping> <identity value="rim"/> <map value="Role.code or implied by context"/> </mapping> </element> <element> <path value="Identifier.system"/> <short value="The namespace for the identifier"/> <definition value="Establishes the namespace in which set of possible id values is unique."/> <requirements value="There are many sequences of identifiers. To perform matching, we need to know what sequence we're dealing with. The system identifies a particular sequence or set of unique identifiers."/> <min value="0"/> <max value="1"/> <type> <code value="uri"/> </type> <exampleUri value="http://www.acme.com/identifiers/patient or urn:ietf:rfc:3986 if the Identifier.value itself is a full uri"/> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="CX.4 / EI-2-4"/> </mapping> <mapping> <identity value="rim"/> <map value="II.root or Role.id.root"/> </mapping> <mapping> <identity value="servd"/> <map value="./IdentifierType"/> </mapping> </element> <element> <path value="Identifier.value"/> <short value="The value that is unique"/> <definition value="The portion of the identifier typically displayed to the user and which is unique within the context of the system."/> <comments value="If the value is a full URI, then the system SHALL be urn:ietf:rfc:3986."/> <min value="0"/> <max value="1"/> <type> <code value="string"/> </type> <exampleString value="123456"/> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="CX.1 / EI.1"/> </mapping> <mapping> <identity value="rim"/> <map value="II.extension or II.root if system indicates OID or GUID (Or Role.id.extension or root)"/> </mapping> <mapping> <identity value="servd"/> <map value="./Value"/> </mapping> </element> <element> <path value="Identifier.period"/> <short value="Time period when id is/was valid for use"/> <definition value="Time period during which identifier is/was valid for use."/> <min value="0"/> <max value="1"/> <type> <code value="Period"/> </type> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="CX.7 + CX.8"/> </mapping> <mapping> <identity value="rim"/> <map value="Role.effectiveTime or implied by context"/> </mapping> <mapping> <identity value="servd"/> <map value="./StartDate and ./EndDate"/> </mapping> </element> <element> <path value="Identifier.assigner"/> <short value="Organization that issued id (may be just text)"/> <definition value="Organization that issued/manages the identifier."/> <comments value="The reference may be just a text description of the assigner."/> <min value="0"/> <max value="1"/> <type> <code value="Reference"/> <profile value="http://hl7.org/fhir/StructureDefinition/Organization"/> </type> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="CX.4 / (CX.4,CX.9,CX.10)"/> </mapping> <mapping> <identity value="rim"/> <map value="II.assigningAuthorityName but note that this is an improper use by the definition of the field. Also Role.scoper"/> </mapping> <mapping> <identity value="servd"/> <map value="./IdentifierIssuingAuthority"/> </mapping> </element> </snapshot> <differential> <element> <path value="Identifier"/> <short value="An identifier intended for computation"/> <definition value="A technical identifier - identifies some entity uniquely and unambiguously."/> <min value="0"/> <max value="*"/> <type> <code value="Element"/> </type> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="CX / EI (occasionally, more often EI maps to a resource id or a URL)"/> </mapping> <mapping> <identity value="rim"/> <map value="II - see see identifier pattern at http://wiki.hl7.org/index.php?title=Common_Design_Patterns#Identi fier_Pattern for relevant discussion. The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs. Also maps to Role[classCode= IDENT]"/> </mapping> <mapping> <identity value="servd"/> <map value="Identifier"/> </mapping> </element> <element> <path value="Identifier.use"/> <short value="usual | official | temp | secondary (If known)"/> <definition value="The purpose of this identifier."/> <comments value="This is labeled as "Is Modifier" because applications should not mistake a temporary id for a permanent one. Applications can assume that an identifier is permanent unless it explicitly says that it is temporary."/> <requirements value="Allows the appropriate identifier for a particular context of use to be selected from among a set of identifiers."/> <min value="0"/> <max value="1"/> <type> <code value="code"/> </type> <isModifier value="true"/> <isSummary value="true"/> <binding> <strength value="required"/> <description value="Identifies the purpose for this identifier, if known ."/> <valueSetReference> <reference value="http://hl7.org/fhir/ValueSet/identifier-use"/> </valueSetReference> </binding> <mapping> <identity value="v2"/> <map value="N/A"/> </mapping> <mapping> <identity value="rim"/> <map value="Role.code or implied by context"/> </mapping> </element> <element> <path value="Identifier.type"/> <short value="Description of identifier"/> <definition value="A coded type for the identifier that can be used to determine which identifier to use for a specific purpose."/> <comments value="This element deals only with general categories of identifiers. It SHOULD not be used for codes that correspond 1..1 with the Identifier.system. Some identifiers may fall into multiple categories due to common usage. Where the system is known, a type is unnecessary because the type is always part of the system definition. However systems often need to handle identifiers where the system is not known. There is not a 1:1 relationship between type and system, since many different systems have the same type."/> <requirements value="Allows users to make use of identifiers when the identifier system is not known."/> <min value="0"/> <max value="1"/> <type> <code value="CodeableConcept"/> </type> <isSummary value="true"/> <binding> <strength value="extensible"/> <description value="A coded type for an identifier that can be used to determine which identifier to use for a specific purpose."/> <valueSetReference> <reference value="http://hl7.org/fhir/ValueSet/identifier-type"/> </valueSetReference> </binding> <mapping> <identity value="v2"/> <map value="CX.5"/> </mapping> <mapping> <identity value="rim"/> <map value="Role.code or implied by context"/> </mapping> </element> <element> <path value="Identifier.system"/> <short value="The namespace for the identifier"/> <definition value="Establishes the namespace in which set of possible id values is unique."/> <requirements value="There are many sequences of identifiers. To perform matching, we need to know what sequence we're dealing with. The system identifies a particular sequence or set of unique identifiers."/> <min value="0"/> <max value="1"/> <type> <code value="uri"/> </type> <exampleUri value="http://www.acme.com/identifiers/patient or urn:ietf:rfc:3986 if the Identifier.value itself is a full uri"/> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="CX.4 / EI-2-4"/> </mapping> <mapping> <identity value="rim"/> <map value="II.root or Role.id.root"/> </mapping> <mapping> <identity value="servd"/> <map value="./IdentifierType"/> </mapping> </element> <element> <path value="Identifier.value"/> <short value="The value that is unique"/> <definition value="The portion of the identifier typically displayed to the user and which is unique within the context of the system."/> <comments value="If the value is a full URI, then the system SHALL be urn:ietf:rfc:3986."/> <min value="0"/> <max value="1"/> <type> <code value="string"/> </type> <exampleString value="123456"/> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="CX.1 / EI.1"/> </mapping> <mapping> <identity value="rim"/> <map value="II.extension or II.root if system indicates OID or GUID (Or Role.id.extension or root)"/> </mapping> <mapping> <identity value="servd"/> <map value="./Value"/> </mapping> </element> <element> <path value="Identifier.period"/> <short value="Time period when id is/was valid for use"/> <definition value="Time period during which identifier is/was valid for use."/> <min value="0"/> <max value="1"/> <type> <code value="Period"/> </type> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="CX.7 + CX.8"/> </mapping> <mapping> <identity value="rim"/> <map value="Role.effectiveTime or implied by context"/> </mapping> <mapping> <identity value="servd"/> <map value="./StartDate and ./EndDate"/> </mapping> </element> <element> <path value="Identifier.assigner"/> <short value="Organization that issued id (may be just text)"/> <definition value="Organization that issued/manages the identifier."/> <comments value="The reference may be just a text description of the assigner."/> <min value="0"/> <max value="1"/> <type> <code value="Reference"/> <profile value="http://hl7.org/fhir/StructureDefinition/Organization"/> </type> <isSummary value="true"/> <mapping> <identity value="v2"/> <map value="CX.4 / (CX.4,CX.9,CX.10)"/> </mapping> <mapping> <identity value="rim"/> <map value="II.assigningAuthorityName but note that this is an improper use by the definition of the field. Also Role.scoper"/> </mapping> <mapping> <identity value="servd"/> <map value="./IdentifierIssuingAuthority"/> </mapping> </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.
© HL7.org 2011+. FHIR DSTU2 (v1.0.2-7202) generated on Sat, Oct 24, 2015 07:43+1100.
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