description: When the medication element of the resource in which a dose applies is compound, this extension references the Medication resource component of the medication element which is the Basis of the dose quantity or volume. package_name: ans.fhir.fr.eprescription derivation: constraint name: FrBasisOfDoseComponent type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://interop.esante.gouv.fr/ig/fhir/eprescription/StructureDefinition/fr-basis-of-dose-component'} index: 1 value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['http://hl7.org/fhir/StructureDefinition/Medication'] index: 4 package_version: 1.1.0-ballot extensions: {} class: extension kind: complex-type url: https://interop.esante.gouv.fr/ig/fhir/eprescription/StructureDefinition/fr-basis-of-dose-component base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0-ballot