description: Description of the intervention element of a PICO construct that evidence is about.
package_name: de.netzwerk-universitaetsmedizin.ebm-cpg
derivation: constraint
name: InterventionDefinition
type: EvidenceVariable
elements:
  meta:
    mustSupport: true
    index: 0
    elements:
      source: {mustSupport: true, index: 1}
      profile: {mustSupport: true, index: 2}
    required: [profile]
  characteristic:
    constraint:
      evidence-variable-unique-definition:
        human: For each characteristic, one and only one type of definition must exist
        source: https://www.netzwerk-universitaetsmedizin.de/fhir/cpg-on-ebm-on-fhir/StructureDefinition/intervention-definition
        severity: error
        expression: |-
          (
            definitionReference.exists().toInteger()
            + definitionCanonical.exists().toInteger()
            + definitionCodeableConcept.exists().toInteger()
            + definitionExpression.exists().toInteger()
            + definitionId.exists().toInteger()
            + definitionByTypeAndValue.exists().toInteger()
            + definitionByCombination.exists().toInteger()
            ) = 1
    index: 3
    elements:
      definitionReference: {index: 4}
      definitionCanonical: {index: 5}
      definitionCodeableConcept:
        binding: {strength: extensible, valueSet: 'http://hl7.org/fhir/ValueSet/procedure-code'}
        mustSupport: true
        index: 6
      definitionExpression: {index: 7}
      definitionId: {index: 8}
      definitionByTypeAndValue: {index: 9}
      definitionByCombination: {index: 10}
    required: [definitionCodeableConcept]
package_version: 0.7.1-snapshot
class: profile
kind: resource
url: https://www.netzwerk-universitaetsmedizin.de/fhir/cpg-on-ebm-on-fhir/StructureDefinition/intervention-definition
base: https://www.netzwerk-universitaetsmedizin.de/fhir/cpg-on-ebm-on-fhir/StructureDefinition/pico-evidence-variable
version: 0.1.1
required: [meta]