description: Cette information identifie la date de début de validité d’un abonnement. package_name: ans.fhir.fr.nde derivation: constraint name: NdE_Start type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://interop.esante.gouv.fr/ig/fhir/nde/StructureDefinition/start'} index: 1 value: choices: [valueDateTime] index: 3 valueDateTime: {type: dateTime, choiceOf: value, index: 4} package_version: 3.0.0-ballot extensions: {} class: extension kind: complex-type url: https://interop.esante.gouv.fr/ig/fhir/nde/StructureDefinition/start base: http://hl7.org/fhir/StructureDefinition/Extension version: 3.0.0-ballot