{
  "resourceType" : "StructureDefinition",
  "id" : "alternate-codes",
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition alternate-codes</b></p><a name=\"alternate-codes\"> </a><a name=\"hcalternate-codes\"> </a><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" class=\"xhtTableBorder0\"><tr class=\"xhtRowBorder1\"><th scope=\"col\" style=\"\" class=\"hierarchy xhtCellBorder0\"><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 scope=\"col\" style=\"\" class=\"hierarchy xhtCellBorder0\"><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 scope=\"col\" style=\"\" class=\"hierarchy xhtCellBorder0\"><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 scope=\"col\" style=\"; width: 100px\" class=\"hierarchy xhtCellBorder0\"><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 scope=\"col\" style=\"\" class=\"hierarchy xhtCellBorder0\"><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,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\" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr class=\"xhtRowBorder0 xhtRowEven\"><td style=\"background-image: url(tbl_bck1.png)\" class=\"hierarchy xhtCellBorder0 xhtCellNoWrap\"><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-alternate-codes-definitions.html#Extension\" title=\"Indicates alternate codings and/or original text for the concept represented by the code.  Codings or text provided SHALL convey equivalent meaning to the meaning of the code being extended (though with potential differences in level of detail conveyed).\">Extension</a><a name=\"Extension\"> </a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"/><td style=\"\" class=\"hierarchy xhtCellBorder0\">0..*</td><td style=\"\" class=\"hierarchy xhtCellBorder0\"><a href=\"http://hl7.org/fhir/R5/extensibility.html#Extension\">Extension</a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\">Alternate code/original text for this code<br/></td></tr>\r\n<tr class=\"xhtRowBorder0 xhtRowOdd\"><td style=\"background-image: url(tbl_bck10.png)\" class=\"hierarchy xhtCellBorder0 xhtCellNoWrap\"><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=\"position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0\" class=\"sr-only\">Extension.</span><a href=\"StructureDefinition-alternate-codes-definitions.html#Extension.extension\" class=\"xhtPieceStrikeout\">extension</a><a name=\"Extension.extension\"> </a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"/><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceStrikeout\"/><span class=\"xhtPieceStrikeout xhtPieceDeEmphasized\">0</span><span class=\"xhtPieceStrikeout\">..</span><span class=\"xhtPieceStrikeout\">0</span></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"/><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceItalic xhtPieceDeEmphasized\">Extension</span></td></tr>\r\n<tr class=\"xhtRowBorder0 xhtRowEven\"><td style=\"background-image: url(tbl_bck10.png)\" class=\"hierarchy xhtCellBorder0 xhtCellNoWrap\"><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\"/> <span style=\"position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0\" class=\"sr-only\">Extension.</span><a href=\"StructureDefinition-alternate-codes-definitions.html#Extension.url\">url</a><a name=\"Extension.url\"> </a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"/><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceDeEmphasized\">1</span><span class=\"xhtPieceDeEmphasized\">..</span><span class=\"xhtPieceDeEmphasized\">1</span></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"><a href=\"http://hl7.org/fhir/R5/datatypes.html#uri\" class=\"xhtPieceDeEmphasized\">uri</a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceDarkGreen\">&quot;http://hl7.org/fhir/StructureDefinition/alternate-codes&quot;</span></td></tr>\r\n<tr class=\"xhtRowBorder0 xhtRowOdd\"><td style=\"background-image: url(tbl_bck00.png)\" class=\"hierarchy xhtCellBorder0 xhtCellNoWrap\"><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\"/> <span style=\"position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0\" class=\"sr-only\">Extension.</span><a href=\"StructureDefinition-alternate-codes-definitions.html#Extension.value[x]\">value[x]</a><a name=\"Extension.value_x_\"> </a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"/><td style=\"\" class=\"hierarchy xhtCellBorder0\">1..<span class=\"xhtPieceDeEmphasized\">1</span></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"><a href=\"http://hl7.org/fhir/R5/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceDeEmphasized\">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,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\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 1
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "draft"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics",
    "valueCode" : "can-bind"
  }],
  "url" : "http://hl7.org/fhir/StructureDefinition/alternate-codes",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.5.1600"
  }],
  "version" : "5.4.0",
  "name" : "AlternateCodes",
  "title" : "Alternate Codes",
  "status" : "draft",
  "experimental" : false,
  "date" : "2015-02-28",
  "publisher" : "HL7 International / FHIR Infrastructure",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg"
    }]
  }],
  "description" : "Indicates alternate codings and/or original text for the concept represented by the code.  Codings or text provided SHALL convey equivalent meaning to the meaning of the code being extended (though with potential differences in level of detail conveyed).",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001"
    }]
  }],
  "fhirVersion" : "5.0.0",
  "mapping" : [{
    "identity" : "v2",
    "uri" : "http://hl7.org/v2",
    "name" : "HL7 v2 Mapping"
  },
  {
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  }],
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [{
    "type" : "element",
    "expression" : "code"
  },
  {
    "type" : "element",
    "expression" : "string"
  },
  {
    "type" : "element",
    "expression" : "Coding"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "snapshot" : {
    "extension" : [{
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
      "valueString" : "5.0.0"
    }],
    "element" : [{
      "id" : "Extension",
      "path" : "Extension",
      "short" : "Alternate code/original text for this code",
      "definition" : "Indicates alternate codings and/or original text for the concept represented by the code.  Codings or text provided SHALL convey equivalent meaning to the meaning of the code being extended (though with potential differences in level of detail conveyed).",
      "comment" : "Used when the FHIR specification requires a code, but the writing application wants or needs to preseve it's own underlying code, possibly for use for other applications reading the content",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Extension",
        "min" : 0,
        "max" : "*"
      },
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "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()",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "mapping" : [{
        "identity" : "v2",
        "map" : "N/A"
      },
      {
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "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" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "condition" : ["ele-1"],
      "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())",
        "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()",
        "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/StructureDefinition/alternate-codes",
      "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/R5/extensibility.html) for a list).",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Extension.value[x]",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "condition" : ["ext-1"],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    }]
  },
  "differential" : {
    "element" : [{
      "id" : "Extension",
      "path" : "Extension",
      "short" : "Alternate code/original text for this code",
      "definition" : "Indicates alternate codings and/or original text for the concept represented by the code.  Codings or text provided SHALL convey equivalent meaning to the meaning of the code being extended (though with potential differences in level of detail conveyed).",
      "comment" : "Used when the FHIR specification requires a code, but the writing application wants or needs to preseve it's own underlying code, possibly for use for other applications reading the content",
      "min" : 0,
      "max" : "*",
      "mapping" : [{
        "identity" : "v2",
        "map" : "N/A"
      },
      {
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Extension.extension",
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "id" : "Extension.url",
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/StructureDefinition/alternate-codes"
    },
    {
      "id" : "Extension.value[x]",
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "CodeableConcept"
      }]
    }]
  }
}