CDC National Healthcare Safety Network (NHSN) Digital Quality Measures (dQM) Content Package IG
1.0.0 - Release 1

CDC National Healthcare Safety Network (NHSN) Digital Quality Measures (dQM) Content Package IG - Downloaded Version 1.0.0 See the Directory of published versions

## Extension: OriginalElementValue - JSON Profile

Page standards status: Trial-use | Maturity Level: 1

JSON representation of the link-original-element-value-extension extension.

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    {
      "resourceType" : "StructureDefinition",
      "id" : "link-original-element-value-extension",
      "text" : {
        "status" : "extensions",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition link-original-element-value-extension</b></p><a name=\"link-original-element-value-extension\"> </a><a name=\"hclink-original-element-value-extension\"> </a><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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" 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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" 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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Minimum and Maximum # of times the element can appear in the instance\">Card.</a></th><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; 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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><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 src=\"data:image/png;base64, \" 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 : var(--ig-left,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-link-original-element-value-extension-definitions.html#Extension\" title=\"This extension stores the original value of an element from a source that was modified by a processing system (e.g., NHSNLink) to make it usable for NHSN. Modification may include changing logically invalid data, changing data that does not match specification requirements (this modification is used sparingly, for specific instances only), or normalizing data.\">Extension</a><a name=\"Extension\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Original Element Value</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 : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,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-link-original-element-value-extension-definitions.html#Extension.url\">url</a><a name=\"Extension.url\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"color: darkgreen\">&quot;http://www.cdc.gov/nhsn/fhirportal/dqm/ig/StructureDefinition/link-original-element-value-extension&quot;</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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck00.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_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-link-original-element-value-extension-definitions.html#Extension.value[x]\">value[x]</a><a name=\"Extension.value_x_\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#base64Binary\">base64Binary</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#boolean\">boolean</a><span style=\"opacity: 0.5\">, </span><a href=\"http://hl7.org/fhir/R4/references.html\">canonical</a>()<span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#date\">date</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#dateTime\">dateTime</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#decimal\">decimal</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#id\">id</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#instant\">instant</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#integer\">integer</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#markdown\">markdown</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#oid\">oid</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#positiveInt\">positiveInt</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#string\">string</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#time\">time</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#unsignedInt\">unsignedInt</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#url\">url</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#uuid\">uuid</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Address\">Address</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Age\">Age</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Annotation\">Annotation</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Attachment\">Attachment</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#ContactPoint\">ContactPoint</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Count\">Count</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Distance\">Distance</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Duration\">Duration</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#HumanName\">HumanName</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Identifier\">Identifier</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Money\">Money</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Period\">Period</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Quantity\">Quantity</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Range\">Range</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Ratio\">Ratio</a><span style=\"opacity: 0.5\">, </span><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>()<span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#SampledData\">SampledData</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Signature\">Signature</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Timing\">Timing</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/metadatatypes.html#ContactDetail\">ContactDetail</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/metadatatypes.html#Contributor\">Contributor</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/metadatatypes.html#DataRequirement\">DataRequirement</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Expression\">Expression</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/metadatatypes.html#ParameterDefinition\">ParameterDefinition</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/metadatatypes.html#RelatedArtifact\">RelatedArtifact</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/metadatatypes.html#TriggerDefinition\">TriggerDefinition</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/metadatatypes.html#UsageContext\">UsageContext</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Dosage\">Dosage</a><span style=\"opacity: 0.5\">, </span><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#Meta\">Meta</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,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><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, \" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
      },
      "extension" : [
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
          "valueInteger" : 1,
          "_valueInteger" : {
            "extension" : [
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
                "valueCanonical" : "http://www.cdc.gov/nhsn/fhirportal/dqm/ig/ImplementationGuide/gov.cdc.nhsn.measures"
              }
            ]
          }
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
          "valueCode" : "trial-use",
          "_valueCode" : {
            "extension" : [
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
                "valueCanonical" : "http://www.cdc.gov/nhsn/fhirportal/dqm/ig/ImplementationGuide/gov.cdc.nhsn.measures"
              }
            ]
          }
        }
      ],
      "url" : "http://www.cdc.gov/nhsn/fhirportal/dqm/ig/StructureDefinition/link-original-element-value-extension",
      "version" : "1.0.0",
      "name" : "OriginalElementValue",
      "title" : "Original Element Value",
      "status" : "active",
      "date" : "2023-04-27T12:06:35-07:00",
      "publisher" : "CDC National Healthcare Safety Network (NHSN)",
      "contact" : [
        {
          "name" : "CDC National Healthcare Safety Network (NHSN)",
          "telecom" : [
            {
              "system" : "url",
              "value" : "http://www.cdc.gov/nhsn"
            },
            {
              "system" : "email",
              "value" : "nhsn@cdc.gov"
            }
          ]
        }
      ],
      "description" : "This extension stores the original value of an element from a source that was modified by a processing system (e.g., NHSNLink) to make it usable for NHSN. Modification may include changing logically invalid data, changing data that does not match specification requirements (this modification is used sparingly, for specific instances only), or normalizing data.",
      "jurisdiction" : [
        {
          "coding" : [
            {
              "system" : "urn:iso:std:iso:3166",
              "code" : "US"
            }
          ]
        }
      ],
      "fhirVersion" : "4.0.1",
      "mapping" : [
        {
          "identity" : "rim",
          "uri" : "http://hl7.org/v3",
          "name" : "RIM Mapping"
        }
      ],
      "kind" : "complex-type",
      "abstract" : false,
      "context" : [
        {
          "type" : "element",
          "expression" : "Element"
        }
      ],
      "type" : "Extension",
      "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
      "derivation" : "constraint",
      "snapshot" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
            "valueString" : "4.0.1"
          }
        ],
        "element" : [
          {
            "id" : "Extension",
            "path" : "Extension",
            "short" : "Original Element Value",
            "definition" : "This extension stores the original value of an element from a source that was modified by a processing system (e.g., NHSNLink) to make it usable for NHSN. Modification may include changing logically invalid data, changing data that does not match specification requirements (this modification is used sparingly, for specific instances only), or normalizing data.",
            "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://www.cdc.gov/nhsn/fhirportal/dqm/ig/StructureDefinition/link-original-element-value-extension",
            "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" : "base64Binary"
              },
              {
                "code" : "boolean"
              },
              {
                "code" : "canonical"
              },
              {
                "code" : "code"
              },
              {
                "code" : "date"
              },
              {
                "code" : "dateTime"
              },
              {
                "code" : "decimal"
              },
              {
                "code" : "id"
              },
              {
                "code" : "instant"
              },
              {
                "code" : "integer"
              },
              {
                "code" : "markdown"
              },
              {
                "code" : "oid"
              },
              {
                "code" : "positiveInt"
              },
              {
                "code" : "string"
              },
              {
                "code" : "time"
              },
              {
                "code" : "unsignedInt"
              },
              {
                "code" : "uri"
              },
              {
                "code" : "url"
              },
              {
                "code" : "uuid"
              },
              {
                "code" : "Address"
              },
              {
                "code" : "Age"
              },
              {
                "code" : "Annotation"
              },
              {
                "code" : "Attachment"
              },
              {
                "code" : "CodeableConcept"
              },
              {
                "code" : "Coding"
              },
              {
                "code" : "ContactPoint"
              },
              {
                "code" : "Count"
              },
              {
                "code" : "Distance"
              },
              {
                "code" : "Duration"
              },
              {
                "code" : "HumanName"
              },
              {
                "code" : "Identifier"
              },
              {
                "code" : "Money"
              },
              {
                "code" : "Period"
              },
              {
                "code" : "Quantity"
              },
              {
                "code" : "Range"
              },
              {
                "code" : "Ratio"
              },
              {
                "code" : "Reference"
              },
              {
                "code" : "SampledData"
              },
              {
                "code" : "Signature"
              },
              {
                "code" : "Timing"
              },
              {
                "code" : "ContactDetail"
              },
              {
                "code" : "Contributor"
              },
              {
                "code" : "DataRequirement"
              },
              {
                "code" : "Expression"
              },
              {
                "code" : "ParameterDefinition"
              },
              {
                "code" : "RelatedArtifact"
              },
              {
                "code" : "TriggerDefinition"
              },
              {
                "code" : "UsageContext"
              },
              {
                "code" : "Dosage"
              },
              {
                "code" : "Meta"
              }
            ],
            "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"
              }
            ]
          }
        ]
      },
      "differential" : {
        "element" : [
          {
            "id" : "Extension",
            "path" : "Extension",
            "short" : "Original Element Value",
            "definition" : "This extension stores the original value of an element from a source that was modified by a processing system (e.g., NHSNLink) to make it usable for NHSN. Modification may include changing logically invalid data, changing data that does not match specification requirements (this modification is used sparingly, for specific instances only), or normalizing data."
          },
          {
            "id" : "Extension.extension",
            "path" : "Extension.extension",
            "max" : "0"
          },
          {
            "id" : "Extension.url",
            "path" : "Extension.url",
            "fixedUri" : "http://www.cdc.gov/nhsn/fhirportal/dqm/ig/StructureDefinition/link-original-element-value-extension"
          },
          {
            "id" : "Extension.value[x]",
            "path" : "Extension.value[x]",
            "min" : 1
          }
        ]
      }
    }