description: This cross-version extension represents AllergyIntolerance.type from http://hl7.org/fhir/StructureDefinition/AllergyIntolerance|4.3.0 for use in FHIR R5.
package_name: hl7.fhir.uv.xver
derivation: constraint
name: ext_R4B_AllergyIntolerance_type
type: Extension
elements:
  value:
    base: {path: 'Extension.value[x]'}
    short: allergy | intolerance - Underlying mechanism (if known)
    choices: [valueCode]
    index: 1
  valueCode:
    base: {path: 'Extension.value[x]'}
    type: code
    short: allergy | intolerance - Underlying mechanism (if known)
    choiceOf: value
    index: 2
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-AllergyIntolerance.type'}
    index: 3
package_version: r4b.r5-0.0.1-snapshot-1
class: extension
kind: complex-type
url: http://hl7.org/fhir/4.3/StructureDefinition/extension-AllergyIntolerance.type
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [url]