description: This extension applies to the Medication, MedicationRequest, MedicationDispense and MedicationStatement resources and is used to represent the generic name of a medication. package_name: hl7.fhir.au.base derivation: constraint name: MedicationGenericName type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org.au/fhir/StructureDefinition/medication-generic-name'} index: 0 value: short: Generic drug name choices: [valueString] index: 2 valueString: {type: string, short: Generic drug name, choiceOf: value, index: 3} package_version: 4.1.0-ballot class: extension kind: complex-type url: http://hl7.org.au/fhir/StructureDefinition/medication-generic-name base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.1.0-ballot required: [valueString, value]