National Directory of Healthcare Providers & Services (NDH) Implementation Guide
1.0.0-ballot - ballot
National Directory of Healthcare Providers & Services (NDH) Implementation Guide
1.0.0-ballot - ballot
This page is part of the National Directory of Healthcare Providers and Services (NDH) Implementation Guide (v1.0.0-ballot: STU1 Ballot 1) based on FHIR R4. . For a full list of available versions, see the Directory of published versions 
| Active as of 2023-07-30 |
JSON representation of the base-ext-restrictFhirPath extension.
{
"resourceType" : "StructureDefinition",
"id" : "base-ext-restrictFhirPath",
"text" : {
"status" : "extensions",
"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\"><tr style=\"border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top\"><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><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 style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><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 style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><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 style=\"width: 100px\" class=\"hierarchy\"><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 style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Additional information about the element\">Description & 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 src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td 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(tbl_bck1.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-base-ext-restrictFhirPath-definitions.html#Extension\" title=\"NDH usage restriction to resource element level\">Extension</a><a name=\"Extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">*</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/extensibility.html#Extension\">Extension</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">NDH usage restriction fhir path</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td 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(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_extension_simple.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Simple Extension\" class=\"hierarchy\"/> <span style=\"text-decoration:line-through\">extension</span><a name=\"Extension.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"text-decoration:line-through\"/><span style=\"text-decoration:line-through\">0</span><span style=\"text-decoration:line-through\">..</span><span style=\"text-decoration:line-through\">0</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td 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(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-base-ext-restrictFhirPath-definitions.html#Extension.url\">url</a><a name=\"Extension.url\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"color: darkgreen\">"http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-restrictFhirPath"</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td 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(tbl_bck01.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_datatype.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-base-ext-restrictFhirPath-definitions.html#Extension.value[x]\">value[x]</a><a name=\"Extension.value_x_\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..<span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Expression\">Expression</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td 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(tbl_bck000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-base-ext-restrictFhirPath-definitions.html#Extension.value[x].language\">language</a><a name=\"Extension.value_x_.language\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">text/cql | text/fhirpath | application/x-fhir-query | etc.</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">text/fhirpath</span></td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"><br/><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3goXBCwdPqAP0wAAAldJREFUOMuNk0tIlFEYhp9z/vE2jHkhxXA0zJCMitrUQlq4lnSltEqCFhFG2MJFhIvIFpkEWaTQqjaWZRkp0g26URZkTpbaaOJkDqk10szoODP//7XIMUe0elcfnPd9zsfLOYplGrpRwZaqTtw3K7PtGem7Q6FoidbGgqHVy/HRb669R+56zx7eRV1L31JGxYbBtjKK93cxeqfyQHbehkZbUkK20goELEuIzEd+dHS+qz/Y8PTSif0FnGkbiwcAjHaU1+QWOptFiyCLp/LnKptpqIuXHx6rbR26kJcBX3yLgBfnd7CxwJmflpP2wUg0HIAoUUpZBmKzELGWcN8nAr6Gpu7tLU/CkwAaoKTWRSQyt89Q8w6J+oVQkKnBoblH7V0PPvUOvDYXfopE/SJmALsxnVm6LbkotrUtNowMeIrVrBcBpaMmdS0j9df7abpSuy7HWehwJdt1lhVwi/J58U5beXGAF6c3UXLycw1wdFklArBn87xdh0ZsZtArghBdAA3+OEDVubG4UEzP6x1FOWneHh2VDAHBAt80IbdXDcesNoCvs3E5AFyNSU5nbrDPZpcUEQQTFZiEVx+51fxMhhyJEAgvlriadIJZZksRuwBYMOPBbO3hePVVqgEJhFeUuFLhIPkRP6BQLIBrmMenujm/3g4zc398awIe90Zb5A1vREALqneMcYgP/xVQWlG+Ncu5vgwwlaUNx+3799rfe96u9K0JSDXcOzOTJg4B6IgmXfsygc7/Bvg9g9E58/cDVmGIBOP/zT8Bz1zqWqpbXIsd0O9hajXfL6u4BaOS6SeWAAAAAElFTkSuQmCC\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
},
"url" : "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-restrictFhirPath",
"version" : "1.0.0-ballot",
"name" : "RestrictFhirPath",
"title" : "NDH usage restriction fhir path",
"status" : "active",
"date" : "2023-07-30T14:53:07+00:00",
"publisher" : "HL7 International - Patient Administration Work Group",
"contact" : [
{
"name" : "HL7 International - Patient Administration Work Group",
"telecom" : [
{
"system" : "url",
"value" : "http://hl7.org/Special/committees/pafm"
},
{
"system" : "email",
"value" : "pafm@lists.hl7.org"
}
]
}
],
"description" : "NDH usage restriction to resource element level",
"jurisdiction" : [
{
"coding" : [
{
"system" : "urn:iso:std:iso:3166",
"code" : "US",
"display" : "United States of America"
}
]
}
],
"fhirVersion" : "4.0.1",
"mapping" : [
{
"identity" : "rim",
"uri" : "http://hl7.org/v3",
"name" : "RIM Mapping"
}
],
"kind" : "complex-type",
"abstract" : false,
"context" : [
{
"type" : "element",
"expression" : "Consent"
}
],
"type" : "Extension",
"baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
"derivation" : "constraint",
"snapshot" : {
"element" : [
{
"id" : "Extension",
"path" : "Extension",
"short" : "NDH usage restriction fhir path",
"definition" : "NDH usage restriction to resource element level",
"min" : 0,
"max" : "*",
"base" : {
"path" : "Extension",
"min" : 0,
"max" : "*"
},
"condition" : [
"ele-1"
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key" : "ext-1",
"severity" : "error",
"human" : "Must have either extensions or value[x], not both",
"expression" : "extension.exists() != value.exists()",
"xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
"source" : "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier" : false
},
{
"id" : "Extension.id",
"path" : "Extension.id",
"representation" : [
"xmlAttr"
],
"short" : "Unique id for inter-element referencing",
"definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "Element.id",
"min" : 0,
"max" : "1"
},
"type" : [
{
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl" : "string"
}
],
"code" : "http://hl7.org/fhirpath/System.String"
}
],
"isModifier" : false,
"isSummary" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "n/a"
}
]
},
{
"id" : "Extension.extension",
"path" : "Extension.extension",
"slicing" : {
"discriminator" : [
{
"type" : "value",
"path" : "url"
}
],
"description" : "Extensions are always sliced by (at least) url",
"rules" : "open"
},
"short" : "Extension",
"definition" : "An Extension",
"min" : 0,
"max" : "0",
"base" : {
"path" : "Element.extension",
"min" : 0,
"max" : "*"
},
"type" : [
{
"code" : "Extension"
}
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key" : "ext-1",
"severity" : "error",
"human" : "Must have either extensions or value[x], not both",
"expression" : "extension.exists() != value.exists()",
"xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source" : "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier" : false,
"isSummary" : false
},
{
"id" : "Extension.url",
"path" : "Extension.url",
"representation" : [
"xmlAttr"
],
"short" : "identifies the meaning of the extension",
"definition" : "Source of the definition for the extension code - a logical name or a URL.",
"comment" : "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "Extension.url",
"min" : 1,
"max" : "1"
},
"type" : [
{
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl" : "uri"
}
],
"code" : "http://hl7.org/fhirpath/System.String"
}
],
"fixedUri" : "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-restrictFhirPath",
"isModifier" : false,
"isSummary" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "N/A"
}
]
},
{
"id" : "Extension.value[x]",
"path" : "Extension.value[x]",
"short" : "Value of extension",
"definition" : "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
"min" : 1,
"max" : "1",
"base" : {
"path" : "Extension.value[x]",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "Expression"
}
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier" : false,
"isSummary" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "N/A"
}
]
},
{
"id" : "Extension.value[x].id",
"path" : "Extension.value[x].id",
"representation" : [
"xmlAttr"
],
"short" : "Unique id for inter-element referencing",
"definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "Element.id",
"min" : 0,
"max" : "1"
},
"type" : [
{
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl" : "string"
}
],
"code" : "http://hl7.org/fhirpath/System.String"
}
],
"isModifier" : false,
"isSummary" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "n/a"
}
]
},
{
"id" : "Extension.value[x].extension",
"path" : "Extension.value[x].extension",
"slicing" : {
"discriminator" : [
{
"type" : "value",
"path" : "url"
}
],
"description" : "Extensions are always sliced by (at least) url",
"rules" : "open"
},
"short" : "Additional content defined by implementations",
"definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comment" : "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" : [
"extensions",
"user content"
],
"min" : 0,
"max" : "*",
"base" : {
"path" : "Element.extension",
"min" : 0,
"max" : "*"
},
"type" : [
{
"code" : "Extension"
}
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key" : "ext-1",
"severity" : "error",
"human" : "Must have either extensions or value[x], not both",
"expression" : "extension.exists() != value.exists()",
"xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source" : "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier" : false,
"isSummary" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "n/a"
}
]
},
{
"id" : "Extension.value[x].description",
"path" : "Extension.value[x].description",
"short" : "Natural language description of the condition",
"definition" : "A brief, natural language description of the condition that effectively communicates the intended semantics.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "Expression.description",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "string"
}
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier" : false,
"isSummary" : true
},
{
"id" : "Extension.value[x].name",
"path" : "Extension.value[x].name",
"short" : "Short name assigned to expression for reuse",
"definition" : "A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "Expression.name",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "id"
}
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier" : false,
"isSummary" : true
},
{
"id" : "Extension.value[x].language",
"path" : "Extension.value[x].language",
"short" : "text/cql | text/fhirpath | application/x-fhir-query | etc.",
"definition" : "The media type of the language for the expression.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "Expression.language",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "code"
}
],
"patternCode" : "text/fhirpath",
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier" : false,
"isSummary" : true,
"binding" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
"valueCanonical" : "http://www.rfc-editor.org/bcp/bcp13.txt"
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString" : "ExpressionLanguage"
}
],
"strength" : "extensible",
"description" : "The media type of the expression language.",
"valueSet" : "http://hl7.org/fhir/ValueSet/expression-language"
}
},
{
"id" : "Extension.value[x].expression",
"path" : "Extension.value[x].expression",
"short" : "Expression in specified language",
"definition" : "An expression in the specified language that returns a value.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "Expression.expression",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "string"
}
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier" : false,
"isSummary" : true
},
{
"id" : "Extension.value[x].reference",
"path" : "Extension.value[x].reference",
"short" : "Where the expression is found",
"definition" : "A URI that defines where the expression is found.",
"comment" : "If both a reference and an expression is found, the reference SHALL point to the same expression.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "Expression.reference",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "uri"
}
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier" : false,
"isSummary" : true
}
]
},
"differential" : {
"element" : [
{
"id" : "Extension",
"path" : "Extension",
"short" : "NDH usage restriction fhir path",
"definition" : "NDH usage restriction to resource element level"
},
{
"id" : "Extension.extension",
"path" : "Extension.extension",
"max" : "0"
},
{
"id" : "Extension.url",
"path" : "Extension.url",
"fixedUri" : "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-restrictFhirPath"
},
{
"id" : "Extension.value[x]",
"path" : "Extension.value[x]",
"min" : 1,
"type" : [
{
"code" : "Expression"
}
]
},
{
"id" : "Extension.value[x].language",
"path" : "Extension.value[x].language",
"patternCode" : "text/fhirpath"
}
]
}
}
IG © 2023+ HL7 International - Patient Administration Work Group. Package hl7.fhir.us.ndh#1.0.0-ballot based on FHIR 4.0.1. Generated 2023-07-30
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