description: 'Extension: Medication cancelled by practitioner' package_name: leumit.fhir.r4 derivation: constraint name: ExtMedicationCancalledBy type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.leumit.co.il/StructureDefinition/ext-med-cancelled-by'} index: 1 value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['http://fhir.leumit.co.il/StructureDefinition/leumit-practitioner'] index: 4 package_version: 0.8.0 extensions: {} class: extension kind: complex-type url: http://fhir.leumit.co.il/StructureDefinition/ext-med-cancelled-by base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.8.0