Cross-Version Extension for ElementDefinition.pattern[x] in R4B

URLhttp://hl7.org/fhir/4.3/StructureDefinition/extension-ElementDefinition.pattern[x]
Version
Statusactive
Description

Cross-Version Extension for ElementDefinition.pattern[x]. Valid in versions R2, R3, R4, R5

This is a valid extension because it has the types RatioRange, CodeableReference

Context of Use

This extension may be used in the following contexts:

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionValue must have at least these property values
... extension ..0
... value[x] 1..
.... valueCodeableReferenceCodeableReference
.... valueRatioRangeRatioRange
... url "http://hl7.org/fhir/4.3/StructureDefinition/extension-ElementDefinition.pattern[x]"

doco Documentation for this format
{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r4b-eld.pattern[x]",
  "url" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-ElementDefinition.pattern[x]",
  "name" : "XVerExtensionElementDefinition.pattern[x]R4B",
  "title" : "Cross-Version Extension for ElementDefinition.pattern[x] in R4B",
  "status" : "active",
  "experimental" : false,
  "publisher" : "HL7 FHIR Standard",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  }],
  "description" : "Cross-Version Extension for ElementDefinition.pattern[x]. Valid in versions R2, R3, R4, R5\r\n\r\nThis is a valid extension because it has the types RatioRange, CodeableReference",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001"
    }]
  }],
  "fhirVersion" : "5.0.0",
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [{
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "5.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "5.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ElementDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-ElementDefinition"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ElementDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-ElementDefinition"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ElementDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-ElementDefinition"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "ElementDefinition"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-ElementDefinition"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Value must have at least these property values",
      "definition" : "Specifies a value that the value in the instance SHALL follow - that is, any value in the pattern must be found in the instance. Other additional values may be found too. This is effectively constraint by example.  \n\nWhen pattern[x] is used to constrain a primitive, it means that the value provided in the pattern[x] must match the instance value exactly.\n\nWhen pattern[x] is used to constrain an array, it means that each element provided in the pattern[x] array must (recursively) match at least one element from the instance array.\n\nWhen pattern[x] is used to constrain a complex object, it means that each property in the pattern must be present in the complex object, and its value must recursively match -- i.e.,\n\n1. If primitive: it must match exactly the pattern value\n2. If a complex object: it must match (recursively) the pattern value\n3. If an array: it must match (recursively) the pattern value.",
      "comment" : "Mostly used for fixing values of CodeableConcept. In general, pattern[x] is not intended for use with primitive types, where is has the same meaning as fixed[x].",
      "min" : 0,
      "max" : "1",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A (MIF territory)"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "CodeableReference"
      },
      {
        "code" : "RatioRange"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-ElementDefinition.pattern[x]"
    }]
  }
}