description: This cross-version extension represents ClinicalUseDefinition.interaction.interactant.item[x] from http://hl7.org/fhir/StructureDefinition/ClinicalUseDefinition|4.3.0 for use in FHIR R5.
package_name: rs/hl7.fhir.uv.xver
derivation: constraint
name: ext_R4B_CUD_in_in_item
type: Extension
elements:
  value:
    base: {path: 'Extension.value[x]'}
    short: The specific medication, food or laboratory test that interacts
    choices: [valueReference, valueCodeableConcept]
    index: 1
  valueReference:
    base: {path: 'Extension.value[x]'}
    type: Reference
    short: The specific medication, food or laboratory test that interacts
    choiceOf: value
    refers: ['http://hl7.org/fhir/StructureDefinition/Medication', 'http://hl7.org/fhir/StructureDefinition/MedicinalProductDefinition', 'http://hl7.org/fhir/StructureDefinition/ObservationDefinition', 'http://hl7.org/fhir/StructureDefinition/Substance']
    index: 2
  valueCodeableConcept:
    base: {path: 'Extension.value[x]'}
    type: CodeableConcept
    short: The specific medication, food or laboratory test that interacts
    choiceOf: value
    index: 3
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-ClinicalUseDefinition.interaction.interactant.item'}
    type: uri
    index: 4
package_version: r4b.r5-0.0.1-snapshot-1
class: extension
kind: complex-type
url: http://hl7.org/fhir/4.3/StructureDefinition/extension-ClinicalUseDefinition.interaction.interactant.item
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [url]